vol 1-6 tsumego

vol 1-6 tsumego

@@++@!++++++++++++] @!@@@!++++++++++++] !!!!!!+++*+++++*++] [+++++++++++++++++] problem 1, black to play

@!!++!++++++++++++] @@@@@+!+++++++++++] !!!!!!!++*+++++*++] [+++++++++++++++++] problem 2, black to play

[@++@!++++++++++++] !@++@!++++++++++++] [!@@!!+++*+++++*++] [!!!++++++++++++++] [+++++++++++++++++] problem 3, black to play

!@++@@!+++++++++++] [!@@!!!+++++++++++] [!+!+++++*+++++*++] [+!+!+++++++++++++] [+++++++++++++++++] problem 4, black to play

!(!((!@(((((((((((> [!@@!+@+!+++++++++] !@@@@@@!++++++++++] !!!!!!!!+*+++++*++] [+++++++++++++++++] problem 5, black to play

!@++@@@!++++++++++] [!@@!!!!++++++++++] [!!!+++++*+++++*++] [+++++++++++++++++] problem 6, black to play

[!+@!+++++++++++++] [@@!!+++++++++++++] [@!*+++++*+++++*++] !!!+++++++++++++++] [+++++++++++++++++] problem 7, black to play

!!+@@!++++++++++++] @@@@!!++++++++++++] !!!!+++++*+++++*++] [+++++++++++++++++] problem 8, black to play

[@!+!+++++++++++++] @@!++!++++++++++++] !@@@@!+++*+++++*++] !!!!!+++++++++++++] [+++++++++++++++++] problem 9, black to play

!+@@!+++++++++++++] @@++!+++++++++++++] !@@!+++++*+++++*++] !!!!++++++++++++++] [+++++++++++++++++] problem 10, black to play

[++@!+++++++++++++] @@+@!+++++++++++++] !!!!!++++*+++++*++] [+++++++++++++++++] problem 11, black to play

[++@@!++++++++++++] @@!@!!++++++++++++] [!@!+++++*+++++*++] [!+!++++++++++++++] [+++++++++++++++++] problem 12, black to play

[@!+@!@+++++++++++] [+@!@!@+++++++++++] [+@!@!@++*+++++*++] [+@!!!@+++++++++++] [++@@@++++++++++++] [+++++++++++++++++] problem 13, white to play

[!@!!@!!++++++++++] [!@@+++!++++++++++] [+!@@@@!+*+++++*++] [+!!!!!+++++++++++] [+++++++++++++++++] problem 14, black to play

[@+@!+++++++++++++] !@+!!+++++++++++++] @@+*+++++*+++++*++] !!!!++++++++++++++] [+++++++++++++++++] problem 15, black to play

@(((!@((((((((((((> [+@!!@++++++++++++] !@@!@+++++++++++++] [!!!@++++*+++++*++] @@@@@+++++++++++++] [+++++++++++++++++] problem 16, white to play

@@!++!++++++++++++] [!@@@!++++++++++++] [!!!+!+++*+++++*++] [+++!+++++++++++++] [+++++++++++++++++] problem 17, black to play

[!@+@++!++++++++++] [+!@@@!+!+++++++++] [+!!!!!++*+++++*++] [+++++++++++++++++] problem 18, black to play

[+@@!+++++++++++++] [!@!+!++++++++++++] !@+!+++++*+++++*++] !!!+++++++++++++++] [+++++++++++++++++] problem 19, black to play

[@!@!+++++++++++++] [!+@!+++++++++++++] !@@@!++++*+++++*++] [!!!!+++++++++++++] [+++++++++++++++++] problem 20, black to play

[@+@!+++++++++++++] !++@!+++++++++++++] !@@@!++++*+++++*++] [!!!+!++++++++++++] [+++++++++++++++++] problem 21, black to play

[++@!+++++++++++++] @@@!!+++++++++++++] !!!*+++++*+++++*++] [+++++++++++++++++] problem 22, black to play

[+@@!+++++++++++++] [@!+!+++++++++++++] [@!*+++++*+++++*++] [!!+!+++++++++++++] [+++++++++++++++++] problem 23, black to play

!@@@++@!++++++++++] [!!@@@!+!+++++++++] [++!+!!++*+++++*++] [+!+++++++++++++++] [+++++++++++++++++] problem 24, black to play

[+@@!+++++++++++++] @@!+!+++++++++++++] [!!*+++++*+++++*++] [+++!+++++++++++++] [+++++++++++++++++] problem 25, black to play

!!@+@+!+++++++++++] !@+++!+!++++++++++] !@@@+++++*+++++*++] [!!!+!++++++++++++] [++++!++++++++++++] [+++++++++++++++++] problem 26, black to play

[!@+!+@!++++++++++] [!!@@@!!++++++++++] [++!!!+++*+++++*++] [+++++++++++++++++] problem 27, black to play

[++@!+++++++++++++] @@@@!+++++++++++++] !!!!!++++*+++++*++] [+++++++++++++++++] problem 28, black to play

!@@++@!+++++++++++] [!+@@!!+++++++++++] [+!!!++++*+++++*++] [+++++++++++++++++] problem 29, black to play

[@++@!++++++++++++] [!@@@!++++++++++++] [!!!!!+++*+++++*++] [+++++++++++++++++] problem 30, black to play

!!++!@++++++++++++] @!!!!@++++++++++++] @@@@@@+++*+++++*++] [+++++++++++++++++] problem 31, white to play

[!@++@!+++++++++++] [!@+@+!+++++++++++] [!@@!!+++*+++++*++] [+!!++++++++++++++] [+++++++++++++++++] problem 32, black to play

[++@!+++++++++++++] [@@!!+++++++++++++] !!!*+++++*+++++*++] [+++++++++++++++++] problem 33, black to play

[++!@+++++++++++++] [!+!@+++++++++++++] [@@@@++++*+++++*++] [+++++++++++++++++] problem 34, white to play

[!+@!+++++++++++++] [@@@!+++++++++++++] [+!!+++++*+++++*++] [!++!+++++++++++++] [+++++++++++++++++] problem 35, black to play

!@++@@!+++++++++++] !@@@!!!+++++++++++] [!!!+++++*+++++*++] [+++++++++++++++++] problem 36, black to play

!+++@!++++++++++++] [@@@!!++++++++++++] !!!!+++++*+++++*++] [+++++++++++++++++]

[+++@!++++++++++++] [@@@!!++++++++++++] !!!!+++++*+++++*++] [+++++++++++++++++]

problem 37, black to play

problem 43, black to play

[+@!+!++++++++++++] @+@!++++++++++++++] !+@*+++++*+++++*++] !@@!++++++++++++++] [!!+!+++++++++++++] [+++++++++++++++++]

[!@+@!++++++++++++] !@+@!+++++++++++++] !@@@!++++*+++++*++] !!!!+!++++++++++++] [+++++++++++++++++]

problem 38, black to play

[!@@++@@!+++++++++] [+!@@@@!!+++++++++] [!+!!!!++*+++++*++] [+++++++++++++++++] problem 39, black to play

[+++!+++++++++++++] [@@@!+++++++++++++] !!!!!++++*+++++*++] [+++++++++++++++++] problem 40, black to play

!@@+@@@!++++++++++] [!!@!!!+!+++++++++] [+!*!++++*+++++*++] [++!++++++++++++++] [+++++++++++++++++] problem 41, black to play

@@@!+!++++++++++++] [+@!++++++++++++++] [@!*+++++*+++++*++] [@!+++++++++++++++] !!+!++++++++++++++] [+++++++++++++++++] problem 42, black to play

problem 44, black to play

[!+@@!++++++++++++] [@@!!!++++++++++++] [!!*+++++*+++++*++] [+++++++++++++++++] problem 45, black to play

@@!!+!++++++++++++] [@@@!+++++++++++++] [++@!++++*+++++*++] [+@@!+++++++++++++] [!!!++++++++++++++] [+++++++++++++++++] problem 46, black to play

[+!@+++@!+++++++++] [+!@@@!@!+++++++++] [++!!!@+!*+++++*++] [+!+++!!++++++++++] [+++++++++++++++++] problem 47, black to play

[@+@!+++++++++++++] [@+@!+++++++++++++] !!!!!++++*+++++*++] [+++++++++++++++++] problem 48, black to play

[@+!!@++++++++++++] [!!!@+@+++++++++++] !@@@@++++*+++++*++] [+++++++++++++++++] [@++++++++++++++++] [+++++++++++++++++]

[+@@!+++++++++++++] [@!+!+++++++++++++] !@!*+++++*+++++*++] !@!++!++++++++++++] !!!+++++++++++++++] [+++++++++++++++++]

problem 49, white to play

problem 55, black to play

[++@@!!+++++++++++] @@@!!+++++++++++++] !!!*+!+++*+++++*++] [+++++++++++++++++]

[@+!!@++++++++++++] !!!@@@++++++++++++] [@@*+++++*+++++*++] [+++++++++++++++++]

problem 50, black to play

problem 56, white to play

[!@@++@!++++++++++] [!+!@+@!++++++++++] [++!@!!!+*+++++*++] [+++!+++++++++++++] [++!++++++++++++++] [+++++++++++++++++]

!@+++!++++++++++++] !@+@@!++++++++++++] !@+@!++++*+++++*++] [!@@!+++++++++++++] [!!!+!++++++++++++] [+++++++++++++++++]

problem 51, black to play

problem 57, black to play

[+@+++++++++++++++] [@!!+!++++++++++++] [@!*+++++*+++++*++] [!!+++++++++++++++] [+++++++++++++++++]

[@@+@!++++++++++++] @@!@@!++++++++++++] !!!!!++++*+++++*++] [+++++++++++++++++]

problem 52, black to play

problem 58, black to play

[!@+@!++++++++++++] [@@@!+!+++++++++++] !!!!!++++*+++++*++] [+++++++++++++++++]

[+@@!+++++++++++++] [!!@!+++++++++++++] !@@@!++++*+++++*++] [!!!!+++++++++++++] [+++++++++++++++++]

problem 53, black to play

problem 59, black to play

[+@@!+++++++++++++] @+@!++++++++++++++] !@!*!++++*+++++*++] !!!+++++++++++++++] [+++++++++++++++++]

[+!@!++@!+++++++++] [+!!@@@!!+++++++++] [++*!!!++*+++++*++] [+++++++++++++++++]

problem 54, black to play

problem 60, black to play

[++@@@!+++++++++++] [@@!!!!+++++++++++] [!!*+++++*+++++*++] [+++++++++++++++++] problem 61, white to play

[!@++@!+++++++++++] [!@+!@!+++++++++++] [!@@@@!++*+++++*++] [+!!!!++++++++++++] [+++++++++++++++++] problem 62, white to play

[+@!@@!+++++++++++] @+@@!!!+++++++++++] @@!!+++++*+++++*++] !!++!+++++++++++++] [+++++++++++++++++] problem 63, white to play

[!@+++@!++++++++++] [!!@@@@!++++++++++] [++!!!!!+*+++++*++] [+!+++++++++++++++] [+++++++++++++++++] problem 64, white to play

[!@!@@+@!+++++++++] [!@++@@!!+++++++++] [+!!!!!++*+++++*++] [+++++++++++++++++] problem 65, white to play

[!@+++@!++++++++++] [!@@!@!!++++++++++] [+!@@@@!+*+++++*++] [!+!!!!+++++++++++] [+++++++++++++++++] problem 66, white to play

[+++!@++++++++++++] @!!+!@++++++++++++] [@!!!@+++*+++++*++] [@@@@+++++++++++++] [+++++++++++++++++] problem 67, black to play

@!+@+!@+++++++++++] @!++!!@+++++++++++] [@!*+!@++*+++++*++] [+@!!!@+++++++++++] [@+@@@++++++++++++] [+++++++++++++++++] problem 68, black to play

[+!!@+++++++++++++] [+!@+@++++++++++++] [+!@+++++*+++++*++] [@@@++++++++++++++] [+++++++++++++++++] problem 69, black to play

@@+++@!+++++++++++] !@+++!++++++++++++] [!@@@!+++*+++++*++] [!!!!!++++++++++++] [+++++++++++++++++] problem 70, white to play

!+!!@+++++++++++++] [+!@+@++++++++++++] [+!@+++++*+++++*++] [@@@++++++++++++++] [+++++++++++++++++] problem 71, black to play

[+@@!+++++++++++++] [@+@!+++++++++++++] !@@!+!+++*+++++*++] !!!!++++++++++++++] [+++++++++++++++++] problem 72, white to play

[++!!@++++++++++++] !!!@@@++++++++++++] @@@*+++++*+++++*++] [+++++++++++++++++] problem 73, black to play

[!@++@!+++++++++++] [!@@@!!+++++++++++] [!@*+@!++*+++++*++] [+!@@@!+++++++++++] [+!!!!++++++++++++] [+++++++++++++++++] problem 74, white to play

[!+!++++++++++++++] !@!!@@+@++++++++++] [@@@+++++*+++++*++] [+++++++++++++++++] problem 75, black to play

[++!!!@+++++++++++] [!!@@@@+++++++++++] @!@*+++++*+++++*++] @@@+++++++++++++++] [+++++++++++++++++] problem 76, black to play

[@!!!+!@++++++++++] [+@++!@+++++++++++] [+@!!!@++*+++++*++] [+@@@@+@++++++++++] [+++++++++++++++++] problem 79, black to play

!!++!!@+++++++++++] [@!!@@@+++++++++++] [@@@+++++*+++++*++] [+++++++++++++++++] problem 80, black to play

!!!+!@++++++++++++] [@!!@@++++++++++++] [@@@+++++*+++++*++] [+++++++++++++++++] problem 81, black to play

[@++@!++++++++++++] @+@+@!++++++++++++] @@!@@!+++*+++++*++] !!!!!!++++++++++++] [+++++++++++++++++] problem 82, white to play

[++!@+++++++++++++] !!!!@+++++++++++++] @@@@@++++*+++++*++] [+++++++++++++++++]

[@!!+++@++++++++++] [@!++!@+++++++++++] [@+!!+@++*+++++*++] [+@@@@++++++++++++] [+++++++++++++++++]

problem 77, black to play

problem 83, black to play

[+!!@+++++++++++++] !+!@+@++++++++++++] @!!@+++++*+++++*++] @@@@++++++++++++++] [+++++++++++++++++]

[!@!+@++++++++++++] [@!!+@++++++++++++] [!@@@++++*+++++*++] [@++++++++++++++++] [+++++++++++++++++]

problem 78, black to play

problem 84, black to play

[!+!@+++++++++++++] @!+!@+++++++++++++] @!!!@++++*+++++*++] [@@@@+++++++++++++] [+++++++++++++++++]

[+!+++++++++++++++] [!!@!++@++++++++++] [@!!@@@++*+++++*++] [@@@++++++++++++++] [+++++++++++++++++]

problem 85, black to play

problem 91, black to play

[+!!!!@+++++++++++] [+!+@@@+++++++++++] [+!@+++++*+++++*++] [@!@++++++++++++++] [@@@++++++++++++++] [+++++++++++++++++]

!!++!@++++++++++++] @!!!@@++++++++++++] [@@@+++++*+++++*++] [+++++++++++++++++]

problem 86, black to play

[@!!+++@++++++++++] [@++!!!@++++++++++] [+@*+@!@+*+++++*++] [++@!!+@++++++++++] [+++@@@+++++++++++] [+++++++++++++++++] problem 87, black to play

@+!!@+++++++++++++] [!+!@+++++++++++++] !@!!@++++*+++++*++] [@@@@+++++++++++++] [+++++++++++++++++] problem 88, black to play

!+@!+@++++++++++++] @!!+@+++++++++++++] @@@@+@+++*+++++*++] [+++++++++++++++++] problem 89, black to play

[@!!++!@++++++++++] [+@@!!!@++++++++++] [++@!+!@+*+++++*++] [++@!!@@++++++++++] [++@@@++++++++++++] [+++++++++++++++++] problem 90, black to play

problem 92, black to play

[!@+@+@!++++++++++] [!@+@@@!++++++++++] [!!@+!!!+*+++++*++] [++!!+++++++++++++] [+++++++++++++++++] problem 93, white to play

!!!@+!!@++++++++++] @@!!!@@@++++++++++] [@@@@++++*+++++*++] [+++++++++++++++++] problem 94, black to play

[++@@@!+++++++++++] [@@!!!!+++++++++++] !!!*+++++*+++++*++] [+++++++++++++++++] problem 95, white to play

[!@+@+@!++++++++++] [!@++@!+!+++++++++] [!!!+@!++*+++++*++] [+++!!!+++++++++++] [+++++++++++++++++] problem 96, white to play

!++@@!++++++++++++] @@@@!!++++++++++++] !!!!+++++*+++++*++] [+++++++++++++++++] problem 97, white to play

!!++!@++++++++++++] @@!!@@++++++++++++] [+@@+++++*+++++*++] [@++++++++++++++++] [+++++++++++++++++] problem 98, black to play

[@!!!++!@+++++++++] [+@@!!!@+@++++++++] [@+*@@@@+*+++++*++] [+++++++++++++++++]

[@@!+!++++++++++++] [!@!++++++++++++++] [@!*+++++*+++++*++] [@!+++++++++++++++] [!!+++++++++++++++] [+++++++++++++++++] problem 103, white to play

[@@@@!!+++++++++++] @@!!!+++++++++++++] !!+*+!+++*+++++*++] [+++++++++++++++++] problem 104, white to play

problem 99, black to play

!+++!@++++++++++++] @!!!@+@+++++++++++] [@@@@++++*+++++*++] [+++++++++++++++++]

@@+!@!++++++++++++] [!@+@!++++++++++++] [!@@@!+++*+++++*++] [!!!!!++++++++++++] [+++++++++++++++++]

[+!+!@++++++++++++] [!!!@@++++++++++++] @@@@+++++*+++++*++] [+++++++++++++++++]

problem 100, white to play

problem 106, black to play

!!@@+@++++++++++++] [+!!@+++++++++++++] [+!*!@+++*+++++*++] [!!!!@++++++++++++] @@@@@+++++++++++++] [+++++++++++++++++]

!++!+!@+++++++++++] @!!!!@@+++++++++++] [@@@@++++*+++++*++] [+++++++++++++++++]

problem 105, black to play

problem 107, black to play

[!+!+!@+++++++++++] [@!!!@+@++++++++++] [@@@@@+++*+++++*++] [+++++++++++++++++]

!!@@@+++++++++++++] [!!!!@++++++++++++] [@+*!@+++*+++++*++] [!!!@+++++++++++++] [@@@@+++++++++++++] [+++++++++++++++++]

problem 102, black to play

problem 108, black to play

problem 101, black to play

[@!+!+!@++++++++++] [@+!!!+@++++++++++] [+@@@@@++*+++++*++] [+++++++++++++++++] problem 109, black to play

@@@+@!++++++++++++] [!+@!!++++++++++++] [+!!+++++*+++++*++] [!++++++++++++++++] [+++++++++++++++++] problem 110, white to play

[@@!++!@++++++++++] [@!!!!@+@+++++++++] [@!@+!@++*+++++*++] [+@!!@++++++++++++] [+@++@++++++++++++] [++@++++++++++++++] [+++++++++++++++++] problem 111, black to play

[@!+@!!!@+++++++++] [@!!!!@@@+++++++++] [+@@@@+++*+++++*++] [@++++++++++++++++] [+++++++++++++++++] problem 115, black to play

[@@@!@+@++++++++++] !!!!!@++++++++++++] [+@@@@+++*+++++*++] [@++++++++++++++++] [+++++++++++++++++] problem 116, black to play

@+!!@+++++++++++++] !@+!@+++++++++++++] !!!!@++++*+++++*++] @@@@@+++++++++++++] [+++++++++++++++++] problem 117, black to play

!!!!+!@+@+++++++++] [@!@++@+++++++++++] [@@@+@+++*+++++*++] [++++@++++++++++++] [+++++++++++++++++]

[@@!+@++++++++++++] [@!!@+++++++++++++] !!!*@++++*+++++*++] [++@++++++++++++++] [@@+++++++++++++++] [+++++++++++++++++]

problem 112, black to play

problem 118, black to play

[@!+++!@++++++++++] [@!!!!!@++++++++++] [+@@@@@@+*+++++*++] [+++++++++++++++++]

@!+!!!!@++++++++++] [@!!@@@@++++++++++] [@@@+++++*+++++*++] [+++++++++++++++++]

problem 113, black to play

problem 119, black to play

!!!!!!@@++++++++++] [@@@@@++++++++++++] [++*+++++*+++++*++]

[!@!++@+++++++++++] !!!@@@++++++++++++] @@@*+++++*+++++*++] [+++++++++++++++++]

problem 114, black to play

problem 120, black to play

[@++@!++++++++++++] @+@@!!++++++++++++] !!!!+++++*+++++*++] [+++++++++++++++++] problem 121, white to play

[!++!@++++++++++++] [+!!@@++++++++++++] [@@@+++++*+++++*++] [+++++++++++++++++] problem 122, black to play

[@!!++!!@+++++++++] [@@@!!+@+@++++++++] [++*@@@++*+++++*++] [+++++++++++++++++] problem 123, black to play

[@@!@+++++++++++++] @!!!+@++++++++++++] @!+!+++++*+++++*++] !!!!@+@+++++++++++] @@@@@+++++++++++++] [+++++++++++++++++] problem 124, white to play

[++!@+++++++++++++] [+!!@+++++++++++++] @+!@+++++*+++++*++] [@@@+@++++++++++++] [+++++++++++++++++] problem 125, white to play

[+!+@!++++++++++++] @@@@@!++++++++++++] !!!!!!+++*+++++*++] [+++++++++++++++++] problem 126, black to play

[@!+@!++++++++++++] !@@++!++++++++++++] @!!!!++++*+++++*++] [+++++++++++++++++] [!++++++++++++++++] [+++++++++++++++++] problem 127, black to play

!@+++@!+++++++++++] [!@@@!!+++++++++++] [+!!!++++*+++++*++] [!++++++++++++++++] [+++++++++++++++++] problem 128, black to play

[+@!+!+!@+++++++++] [+@!+!+!@+++++++++] [+@@!!!@@*+++++*++] [+++@@@+++++++++++] [+++++++++++++++++] problem 129, white to play

[!@!++@!++++++++++] [!@!!!@!++++++++++] [!@@@@@!+*+++++*++] [+!+++@!++++++++++] [+!+@@@!++++++++++] [++!!!!+++++++++++] [+++++++++++++++++] problem 130, black to play

[@!!!+!@++++++++++] [+@!@++@++++++++++] [+@!@++@+*+++++*++] [+@!!@+@++++++++++] [++@!!+@++++++++++] [++@@@@+++++++++++] [+++++++++++++++++] problem 131, white to play

[!!!!!!!++++++++++] @@@@@@@@!+++++++++] @+@!!!!@!*+++++*++] [@!++!@!++++++++++] !@!!+++!++++++++++] [!@@@+!+++++++++++] [!!!!!++++++++++++] [+++++++++++++++++] problem 132, black to play

!@@++@@!++++++++++] [!!@@!!!++++++++++] [++*!++++*+++++*++] [+!++!++++++++++++] [+++++++++++++++++] problem 133, black to play

[++!!@++++++++++++] !!!@@@++++++++++++] @@@*+++++*+++++*++] [+++++++++++++++++] problem 134, white to play

[!@@+++!++++++++++] [!!@+@+!++++++++++] [++!@@+++*+++++*++] [+!+!!!+!+++++++++] [+++++++++++++++++] problem 135, black to play

!@@+++!+++++++++++] [!!@@@!+++++++++++] [++!+!!++*+++++*++] [+!+++++++++++++++] [+++++++++++++++++] problem 136, black to play

[+@!++++++++++++++] [+@!++++++++++++++] [@!*!++++*+++++*++] [!!+++++++++++++++] [+++++++++++++++++] problem 137, black to play

[!+!!@++++++++++++] !@!!@@++++++++++++] [@@@+++++*+++++*++] [+++++++++++++++++] problem 138, white to play

@!@+!!@+++++++++++] [@!!+!@+++++++++++] [+@!!!@++*+++++*++] [@+@@@++++++++++++] [+++++++++++++++++] problem 139, white to play

@@++!+!+++++++++++] [!@@@@!+++++++++++] [!!!!!+++*+++++*++] [+++++++++++++++++] problem 140, black to play

!!@+!@++++++++++++] [@!!!@++++++++++++] [@@@+@+++*+++++*++] [+++@+++++++++++++] [+++++++++++++++++] problem 141, white to play

[@!++@!+++++++++++] !!@@+@!+++++++++++] [+!@@@!++*+++++*++] [!+!!!++++++++++++] [+++++++++++++++++] problem 142, black to play

[+!!@+++++++++++++] !+!@@+++++++++++++] [!@*+++++*+++++*++] @@@+++++++++++++++] [+++++++++++++++++] problem 143, white to play

!@@@+++!++++++++++] [!!!@@@!++++++++++] [++*!+!!+*+++++*++] [++!++++++++++++++] [+++++++++++++++++] problem 144, black to play

[++@!+++++++++++++] [+@@!+++++++++++++] !!!!!++++*+++++*++] [+++++++++++++++++] problem 150, black to play

!!+++@++++++++++++] [@!!!@++++++++++++] [@@@@++++*+++++*++] [+++++++++++++++++]

[+!@+@++++++++++++] [++!@+++++++++++++] [!!!@++++*+++++*++] [@@@@+++++++++++++] [+++++++++++++++++]

problem 145, white to play

problem 151, white to play

[@+@!+++++++++++++] [+@@!+++++++++++++] [!!!!++++*+++++*++] [+++++++++++++++++]

[++@@!++++++++++++] [@@!!!++++++++++++] [!!*+++++*+++++*++] [++!++++++++++++++] [+++++++++++++++++]

problem 146, black to play

@++@!+!+++++++++++] [+@@!+++++++++++++] [!!!!++++*+++++*++] [+++++++++++++++++] problem 147, black to play

@!!!+!@+++++++++++] [@@!+!@+++++++++++] [++@+!@++*+++++*++] [+@+@@++++++++++++] [+++++++++++++++++] problem 148, white to play

[+!++@!+++++++++++] [+!@+@!+++++++++++] [!@*+@!++*+++++*++] [!@@@!++++++++++++] [+!!!!++++++++++++] [+++++++++++++++++] problem 149, black to play

problem 152, black to play

@@+++@!+++++++++++] [!@@+@!+++++++++++] [!!!!!+++*+++++*++] [+++++++++++++++++] problem 153, black to play

[!++@@@!++++++++++] [+!@++@!++++++++++] [!+!@@!++*+++++*++] [++!!!!+++++++++++] [+++++++++++++++++] problem 154, black to play

[+!++@++++++++++++] !!@!!@++++++++++++] [@@@@++++*+++++*++] [+++++++++++++++++] problem 155, white to play

@+++!@++++++++++++] !!!!@@++++++++++++] @@@@+++++*+++++*++] [+++++++++++++++++] problem 156, white to play

[@++++++++++++++++] [!@@@+++++++++++++] [+!!!@@++*+++++*++] [+!++!@+++++++++++] [!@!!!@+++++++++++] [@@@@@++++++++++++] [+++++++++++++++++] problem 157, white to play

[++@!+++++++++++++] [@@@!+++++++++++++] @@!*!++++*+++++*++] !!!++!++++++++++++] [+++++++++++++++++] problem 158, black to play

!@++@@@!++++++++++] [!@+@+!!++++++++++] [+!*!!+++*+++++*++] [!+!++++++++++++++] [+++++++++++++++++] problem 159, black to play

[!@+@+!+!+++++++++] [+!@+@@!++++++++++] [+!@!++!+*+++++*++] [+!@+++!++++++++++] [++!@++!++++++++++] [++!!!!+++++++++++] [+++++++++++++++++] problem 160, black to play

@!!+@!++++++++++++] [@@@+!++++++++++++] !!!!!++++*+++++*++] [+++++++++++++++++] problem 161, black to play

!!+!!@++++++++++++] [+!@@@++++++++++++] @!@*+++++*+++++*++] [@@+++++++++++++++] [+++++++++++++++++] problem 162, white to play

[++@@!++++++++++++] [@@@!+!+++++++++++] !!!!!++++*+++++*++] [+++++++++++++++++] problem 163, black to play

[!@+++@!++++++++++] [!@+@+@!++++++++++] [+!@@!!!+*+++++*++] [+!!!+++++++++++++] [+++++++++++++++++] problem 164, black to play

[@++@!++++++++++++] [@+@+!++++++++++++] !!!!!++++*+++++*++] [+++++++++++++++++] problem 165, black to play

[!!+++++++++++++++] [@@!!@@+@+++++++++] [++@@++++*+++++*++] [@++++++++++++++++] [+++++++++++++++++] problem 166, white to play

[@++@!+!++++++++++] @!@@!+!+++++++++++] [!!*!++++*+++++*++] [++!++++++++++++++] [+++++++++++++++++] problem 167, black to play

!+@!++++++++++++++] [+@!++++++++++++++] @@!*!++++*+++++*++] [!!+++++++++++++++] [+++++++++++++++++]

[!@++@!!++++++++++] [!@@+@++++++++++++] [+!@@!!!+*+++++*++] [!+!!+++++++++++++] [+++++++++++++++++]

problem 168, black to play

problem 174, black to play

@!+@+!@+@+++++++++] @!!!!!@+++++++++++] [@@@@@@++*+++++*++] [+++++++++++++++++]

[@!!+!@+++++++++++] [@@!+!@+++++++++++] [+@!+!@++*+++++*++] [++@!!@+++++++++++] [++@@@++++++++++++] [+++++++++++++++++]

problem 169, white to play

[+@!@!!@++++++++++] [+@!+@!@++++++++++] [++@+@!@+*+++++*++] [++@!!!@++++++++++] [+++@@@@++++++++++] [++@++++++++++++++] [+++++++++++++++++]

problem 175, white to play

!!+++!@@++++++++++] @@!!!!!@++++++++++] [+@@@@@@+*+++++*++] [@++++++++++++++++] [+++++++++++++++++]

problem 170, white to play

problem 176, white to play

[!@@@@!+++++++++++] [@+!!!!+++++++++++] !!!*+++++*+++++*++] [+++++++++++++++++]

[@+@!+++++++++++++] !+@!+!++++++++++++] [@@!+++++*+++++*++] [!!!++++++++++++++] [+++++++++++++++++]

problem 171, black to play

[@++@!++++++++++++] [+@@!!++++++++++++] [!+!+++++*+++++*++] [!++!+++++++++++++] [+++++++++++++++++] problem 172, black to play

[!+!@!++++++++++++] @@+@!+++++++++++++] [++@!++++*+++++*++] @@@@!+++++++++++++] !!!!!+++++++++++++] [+++++++++++++++++] problem 173, black to play

problem 177, black to play

[++!@@++++++++++++] [!!!!@++++++++++++] @!@@@@+++*+++++*++] !@++++++++++++++++] [@++++++++++++++++] [+++++++++++++++++] problem 178, white to play

[!+++@++++++++++++] [+!!!@++++++++++++] [@@@+@+++*+++++*++] [+++@+++++++++++++] [+++++++++++++++++] problem 179, white to play

!!@@++!+++++++++++] [+!@+@!+++++++++++] [+!@+@!++*+++++*++] [+!+@@!+++++++++++] [++!!!++++++++++++] [+++++++++++++++++] problem 180, black to play

[+++!@++++++++++++] [!!!@@++++++++++++] [@@@+++++*+++++*++] [+++++++++++++++++] [@++++++++++++++++] [+++++++++++++++++] problem 181, white to play

[@@+@!++++++++++++] [@!@!!++++++++++++] [@!!+++++*+++++*++] [!++++++++++++++++] [+!+++++++++++++++] [+++++++++++++++++] problem 182, black to play

[+!+@!++++++++++++] @@@@@!++++++++++++] !!!!!!+++*+++++*++] [+++++++++++++++++] problem 183, black to play

[@!+++!+@+++++++++] [+@!+!@+@+++++++++] [+@!+!@++*+++++*++] [+@+!+@+++++++++++] [++@@@++++++++++++] [+++++++++++++++++] problem 184, black to play

!!++!@++++++++++++] [@!!!@++++++++++++] [@@@@@+++*+++++*++] [+++++++++++++++++] problem 185, black to play

@@+++!++++++++++++] [!@@@!++++++++++++] [!!!!!+++*+++++*++] [+++++++++++++++++] problem 186, white to play

[++@@@@!++++++++++] [@@!!!!!++++++++++] [!!*+++++*+++++*++] [+++++++++++++++++] problem 187, white to play

[+@!!+++++++++++++] [++@!+++++++++++++] [@@@!++++*+++++*++] [!!!!+++++++++++++] [+++++++++++++++++] problem 188, white to play

[++!!@++++++++++++] [!++!@++++++++++++] [@!!!@+++*+++++*++] [@@@@@++++++++++++] [+++++++++++++++++] problem 189, black to play

[++!!@++++++++++++] [!@!@+@+++++++++++] [!!@@++++*+++++*++] @@@+++++++++++++++] [+++++++++++++++++] problem 190, black to play

[++@@@!+++++++++++] [@@!!!!+++++++++++] !!!*+++++*+++++*++] [+++++++++++++++++] problem 191, white to play

[@!!+!@+++++++++++] [@@+!!@+@+++++++++] [@!*++!@+*+++++*++] [@!+!!!@++++++++++] [+@@@@@@++++++++++] [+++++++++++++++++]

!!+!@@+@++++++++++] @@+!!!@+++++++++++] [+@!+!@++*+++++*++] [@+@!!@+++++++++++] [++@@@++++++++++++] [+++++++++++++++++]

problem 192, black to play

problem 198, black to play

[+@!+!!@++++++++++] [+@!+!@+@+++++++++] [+@!+!@++*+++++*++] [+@!!+@+++++++++++] [++@@@++++++++++++] [+++++++++++++++++]

!@+@@!++++++++++++] @@++!!++++++++++++] [!!!+++++*+++++*++] [+++++++++++++++++]

problem 193, black to play

!@+@++++++++++++++] [!@+++!+++++++++++] [!!@@@!++*+++++*++] [++!!!!+++++++++++] [+!+++++++++++++++] [+++++++++++++++++] problem 194, white to play

[+++@!++++++++++++] @@@@@!++++++++++++] !!!!!!+++*+++++*++] [+++++++++++++++++] problem 195, white to play

[!@!+!@+++++++++++] [@!!!!@+++++++++++] [@@@@@@++*+++++*++] [+++++++++++++++++] problem 196, black to play

[@@@@!++++++++++++] @+!!!!++++++++++++] !!+*+++++*+++++*++] [+++++++++++++++++] problem 197, white to play

problem 199, white to play

@@++@!++++++++++++] [!@@!!++++++++++++] [!+!+++++*+++++*++] [+++!+++++++++++++] [+++++++++++++++++] problem 200, white to play

[!++!@++++++++++++] !!!!@@++++++++++++] @@@@+++++*+++++*++] [+++++++++++++++++] problem 201, black to play

[++@@!++++++++++++] @@@@!+++++++++++++] [!!!+!+++*+++++*++] [+++++++++++++++++] problem 202, white to play

[+@!+++!@+++++++++] [+@!!!!+@+++++++++] [+@*@@@@+*+++++*++] [+++++++++++++++++] [+@+++++++++++++++] [+++++++++++++++++] problem 203, black to play

[!+!!@++++++++++++] [@+!@+++++++++++++] @!!!@++++*+++++*++] [@@@+@++++++++++++] [+++++++++++++++++] problem 204, black to play

[@@+@!++++++++++++] [+@+@!++++++++++++] [++@!++++*+++++*++] [!!!+!++++++++++++] [+++++++++++++++++] problem 205, white to play

[@!@+@!+++++++++++] [!@@@!!+++++++++++] [!!!!++++*+++++*++] [+++++++++++++++++] problem 206, white to play

[+!@++++++++++++++] !+!@+@++++++++++++] [!@*+++++*+++++*++] [!@+++++++++++++++] [@@+++++++++++++++] [+++++++++++++++++] problem 207, black to play

[++@@@@!++++++++++] [@!@+!!!++++++++++] @!@@!++++*+++++*++] !!!!!+++++++++++++] [+++++++++++++++++] problem 208, white to play

[+!+!@++++++++++++] [+@!!+@+++++++++++] [!!@!@+@+*+++++*++] @@@@@@++++++++++++] [+++++++++++++++++] problem 209, black to play

!!+@+@++++++++++++] [!+!@+++++++++++++] [++!@++++*+++++*++] !!!@@+++++++++++++] @@@+++++++++++++++] [+++++++++++++++++] problem 210, black to play

@+@!@@!+++++++++++] [@@@!!!+++++++++++] [!!!+++++*+++++*++] [+++++++++++++++++] [!++++++++++++++++] [+++++++++++++++++] problem 211, white to play

@@+++!++++++++++++] @!@@@!++++++++++++] !!!!!++++*+++++*++] [+++++!+++++++++++] [+++++++++++++++++] problem 212, white to play

!!+!!@++++++++++++] [@!++@++++++++++++] [@@@@++++*+++++*++] [+++++++++++++++++] problem 213, black to play

[!@@++@!!+++++++++] [+!!@@@@!+++++++++] [++*@+++!*+++++*++] [++!+@@+++++++++++] [+!+!!!!++++++++++] [+++++++++++++++++] problem 214, white to play

!+++!!@+++++++++++] [+!!@@@+++++++++++] [@@@+++++*+++++*++] [+++++++++++++++++] problem 215, black to play

[@@@!+++++++++++++] [++@!+++++++++++++] [@@!+++++*+++++*++] !!!!+!++++++++++++] [+++++++++++++++++] problem 216, white to play

!!+++!@+++++++++++] @!!!!@+@++++++++++] [@@@@@+++*+++++*++] [+++++++++++++++++] [@++++++++++++++++] [+++++++++++++++++] problem 217, black to play

[!@++@+@!+++++++++] [!@+@@@!!+++++++++] [!@!!!!++*+++++*++] [!++++++++++++++++] [++!++++++++++++++] [+++++++++++++++++]

!!!!++++++++++++++] [@@@!!++++++++++++] [+@*@++++*+++++*++] @+@+@!++++++++++++] [+@+!+!+++++++++++] !!!!++++++++++++++] [+++++++++++++++++] problem 221, white to play

[+!+!@++++++++++++] [+!!@@++++++++++++] [@!@+++++*+++++*++] !!@@++++++++++++++] @@++++++++++++++++] [+++++++++++++++++] problem 222, black to play

problem 218, white to play

[@++@!++++++++++++] [@!@@!++++++++++++] [!@@!!+++*+++++*++] [!!!++++++++++++++] [+++++++++++++++++]

[++@!+++++++++++++] [+@@!+++++++++++++] @@!!+!+++*+++++*++] !!++++++++++++++++] [+!+++++++++++++++] [+++++++++++++++++]

[@!!!@++++++++++++] [!++!@++++++++++++] !@!!!@+++*+++++*++] [@@@@@++++++++++++] [+++++++++++++++++]

problem 219, white to play

problem 224, black to play

[++@@!++++++++++++] @@@!!+!+++++++++++] !!!*+++++*+++++*++] [++!++++++++++++++] [+++++++++++++++++]

@@@+++@!++++++++++] [!!@@!@!++++++++++] [++!!@@!+*+++++*++] [+!++!!+++++++++++] [+++++++++++++++++]

problem 220, white to play

problem 225, white to play

problem 223, white to play

!+++!@++++++++++++] @!!!@+@+++++++++++] @@@@@++++*+++++*++] [+++++++++++++++++] problem 226, black to play

[+!@+@++++++++++++] [++!@+++++++++++++] !!!!@++++*+++++*++] @@@@@+++++++++++++] [+++++++++++++++++] problem 227, black to play

[!@+!!@+++++++++++] !@!!+@+@++++++++++] @@@@@++++*+++++*++] [+++++++++++++++++] problem 228, black to play

@@!++!!@++++++++++] [+@!!+!@++++++++++] [+@@!!+@+*+++++*++] [+++@@@+++++++++++] [+++++++++++++++++] problem 229, black to play

@((((!((((((((((((> !@+@@!++++++++++++] [@@!!!++++++++++++] @@!*+++++*+++++*++] [!!+++++++++++++++] [+++++++++++++++++] problem 230, white to play

[@!+!@@+++++++++++] [@!++!@+@+++++++++] [@!!@!+++*+++++*++] [+@+!!+@++++++++++] [++@@@@+++++++++++] [+++++++++++++++++] problem 231, black to play

[!@++@+@!+++++++++] [!+@@@@!!+++++++++] [+!!!!!++*+++++*++] [+++++++++++++++++] problem 232, white to play

[++!!!+@++++++++++] [+!@@+!@++++++++++] [!@!+!+@+*+++++*++] [@@!!+@+++++++++++] [++@@@++++++++++++] [+@+++++++++++++++] [+++++++++++++++++] problem 233, black to play

[+@!+++@++++++++++] [+@!+!!@++++++++++] [+@!+@@++*+++++*++] [+@!!!@+++++++++++] [+@!+!@+++++++++++] [+@!!@@+++++++++++] [++@@+++++++++++++] [+++++++++++++++++] problem 234, black to play

!@!+++@!++++++++++] !@@@@@@!++++++++++] [!!!!!!!+*+++++*++] [+++++++++++++++++] problem 235, white to play

!@+@!+!+++++++++++] !@++@!++++++++++++] [!@*@!+++*+++++*++] [!@@@+!+++++++++++] [@!!!!++++++++++++] [!++++++++++++++++] [+++++++++++++++++] problem 236, white to play

@!!++!@+++++++++++] !@!!!!@+++++++++++] [@@@@@@++*+++++*++] [+++++++++++++++++] problem 237, black to play

@@++@!++++++++++++] !@++@!++++++++++++] [!@@@!+++*+++++*++] [!!!!+++++++++++++] [+++++++++++++++++]

!!+!!!@+++++++++++] [@!@@@+@++++++++++] [@!*+++++*+++++*++] [+@@++++++++++++++] [+++++++++++++++++]

problem 238, white to play

problem 244, black to play

[!@@!@++++++++++++] [++!!@++++++++++++] !!!!@@+++*+++++*++] @@@@++++++++++++++] [+++++++++++++++++]

@!((((((((((((((((> @!+!!@!+@+++++++++] @!!@!!@@+@++++++++] @@@@@@+++*+++++*++] [+++++++++++++++++]

problem 239, black to play

[!@+++@!++++++++++] [!@!@@@!++++++++++] [+!@++@!+*+++++*++] [+!@@@!!++++++++++] [++!!!++++++++++++] [+!+++++++++++++++] [+++++++++++++++++] problem 240, white to play

[+!!!@++++++++++++] [!+!@+++++++++++++] [@!!@++++*+++++*++] [@@@@+++++++++++++] [+++++++++++++++++] problem 241, black to play

[+!!@+++++++++++++] [+!@@+++++++++++++] !!@*+++++*+++++*++] [@@+++++++++++++++] [+++++++++++++++++] problem 242, black to play

[@!@+!@@++++++++++] [@!!+!!@++++++++++] [@+!+@!@+*+++++*++] [+@@!!+@++++++++++] [+++@@@+++++++++++] [+++++++++++++++++] problem 243, black to play

problem 245, black to play

@!++!@++++++++++++] [+++!@++++++++++++] !!!!!@+++*+++++*++] @@@@@@++++++++++++] [+++++++++++++++++] problem 246, black to play

[@!@@@!+++++++++++] !@@!!!!+++++++++++] !!!*+++++*+++++*++] [+++++++++++++++++] problem 247, black to play

@+++@!++++++++++++] [+@@!!++++++++++++] !!!!+++++*+++++*++] [+++++++++++++++++] problem 248, black to play

[@!!!+++++++++++++] [+@@!+!+++++++++++] [!+@+++++*+++++*++] [@@@+!++++++++++++] !!!!!+++++++++++++] [+++++++++++++++++] problem 249, black to play

[@!+++!@++++++++++] [+@!!+!@++++++++++] [+@@!!@@+*+++++*++] [+++@@++++++++++++] [+++++++++++++++++] problem 250, white to play

[@@!!@++++++++++++] !!!!@@++++++++++++] [@@@+++++*+++++*++] [+++++++++++++++++] problem 251, white to play

!@@++@!+++++++++++] [!!@+@!+++++++++++] [++@+@!++*+++++*++] [+!!@@!+++++++++++] [!++!!++++++++++++] [+++++++++++++++++] problem 252, black to play

[!@!+!++++++++++++] [@@!++++++++++++++] [+@!+++++*+++++*++] @@!+++++++++++++++] !!!+++++++++++++++] [+++++++++++++++++] problem 253, black to play

[@!+@!++++++++++++] [!@@@!++++++++++++] [!!*+!+++*+++++*++] [++!!+++++++++++++] [+++++++++++++++++] problem 254, black to play

[@!+@!++++++++++++] @!@+@!++++++++++++] !!@@@!+++*+++++*++] [!!!!!++++++++++++] [+++++++++++++++++] problem 255, black to play

[!@@@@++++++++++++] @+!!!!@@++++++++++] [++!++!@+*+++++*++] [@@@!!!@++++++++++] [+++@@@+++++++++++] [+++++++++++++++++] problem 256, white to play

[@++@@!+++++++++++] [!@@!!!+++++++++++] [!!!+++++*+++++*++] [+++++++++++++++++] problem 257, black to play

@++!!@@+++++++++++] !!!!@+++++++++++++] @@@@@++++*+++++*++] [+++++++++++++++++] problem 258, white to play

[@+++@!+++++++++++] [!@@@@!+++++++++++] [!!!!!!++*+++++*++] [+++++++++++++++++] problem 259, black to play

!@@+@@!+++++++++++] [!++@!+!++++++++++] [!@@!!+++*+++++*++] [+!!++++++++++++++] [+++++++++++++++++] problem 260, black to play

[+@+!+++++++++++++] [@+@+!++++++++++++] !!@@!++++*+++++*++] [+!!!+++++++++++++] [!++++++++++++++++] [+++++++++++++++++] problem 261, black to play

[+++@!++++++++++++] !@@@!!++++++++++++] @!!!+++++*+++++*++] [+++++++++++++++++] [!++++++++++++++++] [+++++++++++++++++] problem 262, black to play

[@!+++!!@+++++++++] [@!+!!@@@+++++++++] [@+@+@+++*+++++*++] [++@++@+++++++++++] [+++++++++++++++++] problem 263, white to play

[!@+@+@!+!++++++++] [!@+++@!++++++++++] [+!@@@!++*+++++*++] [+!!!!!+++++++++++] [+++++++++++++++++] problem 264, black to play

[@!!@+++++++++++++] [+!@+@++++++++++++] !!@@+++++*+++++*++] [@++++++++++++++++] [+@+++++++++++++++] [+++++++++++++++++] problem 265, white to play

[!@+++@!++++++++++] [!@!!!@!++++++++++] [+!@@@@!+*+++++*++] [+!!!!!!++++++++++] [+++++++++++++++++] problem 266, black to play

[@!+++!@++++++++++] [@!+!!@+@+++++++++] [@!*@@@++*+++++*++] [+@@++++++++++++++] [+++++++++++++++++] problem 267, white to play

[+@!@+++++++++++++] [++!@+++++++++++++] @!!@+++++*+++++*++] [@@@++++++++++++++] [+++++++++++++++++] problem 268, white to play

[!@+++@!++++++++++] [!@+++@!++++++++++] [!!!+!!!+*+++++*++] [+++++++++++++++++] problem 269, black to play

[+@@!+++++++++++++] [@!@!+++++++++++++] @@!*!++++*+++++*++] !!!+++++++++++++++] [++++!++++++++++++] [+++++++++++++++++] problem 270, black to play

@+++@!++++++++++++] [+@@@!++++++++++++] !!!!!!+++*+++++*++] [+++++++++++++++++] problem 271, black to play

[!@!!+@!++++++++++] [!@!@@@!++++++++++] [!@@@!!!+*+++++*++] [+!!!+++++++++++++] [+++++++++++++++++] problem 272, black to play

[@!++!!!@+++++++++] [@@!!!@@@+++++++++] [++@@@+++*+++++*++] [+++++++++++++++++] problem 273, white to play

!(((!@((((((((((((> !+++!@++++++++++++] @!!+!+@+++++++++++] @@@@@@@++*+++++*++] [+++++++++++++++++] problem 274, white to play

@++@+!++++++++++++] [++@!+++++++++++++] !!!!!++++*+++++*++] [+++++++++++++++++] problem 275, black to play

!++@!+++++++++++++] [@+@!+++++++++++++] @!+@!++++*+++++*++] [!!!!+++++++++++++] [+++++++++++++++++] problem 276, black to play

!(@((!@(((((((((((> !!+++!@+++++++++++] @!+!!@@+++++++++++] @!!@@++++*+++++*++] @@@++@++++++++++++] [+++++++++++++++++] problem 277, white to play

[!@+!@!+++++++++++] [!@++@+!++++++++++] [+!@@+@!+*+++++*++] [+!!@@@!++++++++++] [+++!!!+++++++++++] [+++++++++++++++++] problem 278, black to play

[!@!!!+@!+++++++++] [!@@@@@@!+++++++++] [+!*!!!!!*+++++*++] [!++++++++++++++++] [+++++++++++++++++] problem 279, black to play

!@!+++@!+!++++++++] [!@@@+@!++++++++++] [+!!!!+!+*+++++*++] [!++++!+++++++++++] [+++++++++++++++++] problem 280, black to play

[+!+@+++++++++++++] [+!!+@++++++++++++] [@@!@++++*+++++*++] @!!!@+++++++++++++] [@@@@+++++++++++++] [+++++++++++++++++] problem 281, white to play

[@@!+!++++++++++++] [!!@!+++++++++++++] [@+@+!+++*+++++*++] [+@+!+++++++++++++] [!!!++++++++++++++] [+++++++++++++++++] problem 282, black to play

@!!++!!!@+++++++++] [@@+!!@@@+++++++++] [++@@@+++*+++++*++] [+@+++++++++++++++] [+++++++++++++++++] problem 283, white to play

!@+++@!+++++++++++] [!+@@@!+++++++++++] [+!!!!!++*+++++*++] [!++++++++++++++++] [+++++++++++++++++] problem 284, black to play

[!@!+@++++++++++++] [@@!@+++++++++++++] [+!!@++++*+++++*++] @!!@++++++++++++++] [@@@++++++++++++++] [+++++++++++++++++] problem 285, white to play

[@!!+@++++++++++++] @@@!++++++++++++++] !@!!@@+++*+++++*++] !!!@++++++++++++++] [@@@++++++++++++++] [+++++++++++++++++] problem 286, white to play

@+++!+++++++++++++] [+@@!+++++++++++++] [+@!+++++*+++++*++] [!!+!+++++++++++++] [+++++++++++++++++] problem 292, black to play

!@+++@!+++++++++++] !@!!@@!+++++++++++] !@@@!!!++*+++++*++] [!!!++++++++++++++] [+++++++++++++++++]

[@+@++@!@+++++++++] [@!!!!!@@+++++++++] [+@*++!++*+++++*++] [+@+!!@@++++++++++] [++@@@++++++++++++] [+++++++++++++++++]

problem 287, black to play

problem 293, white to play

!(@(!(((((((((((((> !@++!@++++++++++++] [!@@!@++++++++++++] @!!!!@+++*+++++*++] @@@@@@++++++++++++] [+++++++++++++++++]

[@!!@@!+++++++++++] [@@@!!!+++++++++++] [!+!+++++*+++++*++] [!++!+++++++++++++] [+++++++++++++++++]

problem 288, white to play

problem 294, black to play

@@@+@@!+!+++++++++] [!+@!!!+++++++++++] [+!!+++++*+++++*++] [!++++++++++++++++] [+++++++++++++++++]

!!+!!@++++++++++++] [+!@@@++++++++++++] [@@*+++++*+++++*++] [++@++++++++++++++] [+++++++++++++++++]

problem 289, black to play

problem 295, white to play

[+++!@++++++++++++] [+!!@@++++++++++++] [+!@+++++*+++++*++] @@@@++++++++++++++] [+++++++++++++++++]

[@!+@@!+++++++++++] !!@@@!+!++++++++++] [+!*!!+++*+++++*++] [!++++++++++++++++] [+++++++++++++++++]

problem 290, white to play

problem 296, black to play

[@!+!@++++++++++++] !+!!@@++++++++++++] @!!@+++++*+++++*++] @@@@+@++++++++++++] [+++++++++++++++++]

[@+!@@@!!@++++++++] [@+!!!!++@++++++++] [+@*+++@@*+++++*++] [@+@+@+++@++++++++] [+++++++++++++++++]

problem 291, white to play

problem 297, white to play

[@+@+@!+!+++++++++] [@++!@!+++++++++++] [!!!+!!++*+++++*++] [+++++++++++++++++] problem 298, black to play

[!@@@+@@@!++++++++] [!!!!+!!!!++++++++] [++*+++++*+++++*++] [+++!+++++++++++++] [+++++++++++++++++] problem 299, black to play

[@@+@@!!++++++++++] [@!@!!++++++++++++] [!!*++!++*+++++*++] [+++!+++++++++++++] [+!+++++++++++++++] [+++++++++++++++++] problem 300, black to play

!!+@@!++++++++++++] @@+@+!!+++++++++++] [!@@@@!++*+++++*++] [!!!!+!+++++++++++] [++++!++++++++++++] [+++++++++++++++++] problem 301, black to play

[!+!!+++++++++++++] !@!@+@@+@+++++++++] [@+@+++++*+++++*++] [+@++@++++++++++++] [@++++++++++++++++] [+++++++++++++++++] problem 302, white to play

[+++++++++++++++++] [+@!+!@+@+++++++++] [+@!+!@++*+++++*++] [+@+++@+++++++++++] [++@+@++++++++++++] [+++++++++++++++++] problem 303, white to play

[++@@!++++++++++++] [+@!@!++++++++++++] [+@!!!+++*+++++*++] [!!+++++++++++++++] [+++++++++++++++++] problem 304, black to play

[!@++@@!++++++++++] [!!@@!!+!+++++++++] [++@+@!++*+++++*++] [+!@+@!+++++++++++] [+!!+!!+++++++++++] [+++!+++++++++++++] [+++++++++++++++++] problem 305, black to play

[@!++!!!@+++++++++] [@!+!!@@@+++++++++] [+@@@@+++*+++++*++] [+++++++++++++++++] problem 306, white to play

[!@+++@@!+++++++++] [!@@@+@!+!++++++++] [+!!@+!!+*+++++*++] [+++!!++++++++++++] [++!++++++++++++++] [+++++++++++++++++] problem 307, white to play

[@!!@@++++++++++++] [++!!@++++++++++++] !!@!@++++*+++++*++] [@!!@+++++++++++++] [@@@@+++++++++++++] [+++++++++++++++++] problem 308, black to play

[@+!++++++++++++++] [@!++!++++++++++++] [+@!+++++*+++++*++] @@@!++++++++++++++] !!!!++++++++++++++] [+++++++++++++++++]

[@!++!!@++++++++++] [@!++!@+@+++++++++] [@!*+!@++*+++++*++] [+@@@@@+++++++++++] [@++++++++++++++++] [+++++++++++++++++]

problem 309, white to play

problem 315, black to play

[!@!@+++++++++++++] [++!@+++++++++++++] [+!!@++++*+++++*++] [@@@@+++++++++++++] [+++++++++++++++++]

[@+!++++++++++++++] [+@!+!++++++++++++] [+@*+++++*+++++*++] [@+!++++++++++++++] [!!+!+++++++++++++] [+++++++++++++++++]

problem 310, black to play

@!++@!++++++++++++] [@@@!+!+++++++++++] [!!!!++++*+++++*++] [+++++++++++++++++] problem 311, white to play

@@!@!@@+++++++++++] @!!!!!@+++++++++++] [@+*@!@++*+++++*++] [+@!!!@+++++++++++] [++@@+@+++++++++++] [+@+++++++++++++++] [+++++++++++++++++] problem 312, black to play

[!@@!+@!++++++++++] [!+!@@@!++++++++++] [+!@@+@!+*+++++*++] [+!!!@@!++++++++++] [++++!!!++++++++++] [+++++++++++++++++]

problem 316, white to play

!!@+++@+++++++++++] [!@!!!@+++++++++++] !@!!+@@++*+++++*++] [@@@@+++++++++++++] [@++++++++++++++++] [+++++++++++++++++] problem 317, black to play

[@@!!@++++++++++++] [+!!@+@+++++++++++] [!!@@++++*+++++*++] [@@+++++++++++++++] [+++++++++++++++++] [@++++++++++++++++] [+++++++++++++++++] problem 318, black to play

problem 313, white to play

[@@+++++++++++++++] [@!@@+!+++++++++++] [!!!!!+++*+++++*++] [+++++++++++++++++]

[++@!+++++++++++++] [@+@!+++++++++++++] [!@@!++++*+++++*++] [!!!!+++++++++++++] [+++++++++++++++++]

@@+@!@!+++++++++++] [!@@++!+++++++++++] [!!!!!+++*+++++*++] [+++++++++++++++++]

problem 314, white to play

problem 320, white to play

problem 319, white to play

@+!!@+++++++++++++] !!+!@+++++++++++++] @!+@+@+++*+++++*++] @@@@++++++++++++++] [+++++++++++++++++] problem 321, black to play

[!@@++@!++++++++++] [!@!@@!+!+++++++++] [!@*!!!++*+++++*++] [+!!++++++++++++++] [+++++++++++++++++] [+!+++++++++++++++] [+++++++++++++++++] problem 322, white to play

[@@!+@!+++++++++++] !+@!+@!+++++++++++] [!!@@@!++*+++++*++] [++!!!++++++++++++] [+!++++!++++++++++] [+++++++++++++++++] problem 323, white to play

[@!+++!+++++++++++] [@!@@@!+++++++++++] [!@@+!!++*+++++*++] [!!!!+++++++++++++] [+++++++++++++++++] problem 324, white to play

@@++++!+++++++++++] [!@+@@!+++++++++++] [!!@@!!++*+++++*++] [++!!+++++++++++++] [+!+++++++++++++++] [+++++++++++++++++] problem 325, white to play

!+++!@@+++++++++++] [+!!@+++++++++++++] [@!@@++++*+++++*++] [+@+++++++++++++++] [++@++++++++++++++] [+++++++++++++++++] problem 326, black to play

[@@!@@!+++++++++++] @@!@@!!+++++++++++] !!!!!++++*+++++*++] [+++++++++++++++++] problem 327, white to play

[++@@!@+++++++++++] [!!!!!@+++++++++++] [@@@@@@++*+++++*++] [+++++++++++++++++] problem 328, black to play

[+@!+!++@+++++++++] [++@!@+++@++++++++] [++@!!!+@*+++++*++] [+@+@@@@++++++++++] [+++++++++++++++++] problem 329, black to play

[@!!!+!@++++++++++] [@!+++!@++++++++++] [+@!!!@@+*+++++*++] [@+@@@++++++++++++] [+++++++++++++++++] problem 330, black to play

[!@+!@++++++++++++] [!@!!@++++++++++++] !@!!+@+++*+++++*++] [@@@@+++++++++++++] [+++++++++++++++++] problem 331, black to play

@@@!!+!+++++++++++] [++@+!++++++++++++] [+@*!++++*+++++*++] [+@!++++++++++++++] [!!!++++++++++++++] [+++++++++++++++++] problem 332, white to play

[!+!@+++++++++++++] [!+!@+++++++++++++] [@!*@++++*+++++*++] [@@@++++++++++++++] [+++++++++++++++++] problem 333, black to play

[@@!+++!@+++++++++] [@!@+!!@+@++++++++] [@!!!!@@+*+++++*++] [+@@@@++++++++++++] [+++++++++++++++++] problem 334, black to play

[+@!+!+!@+++++++++] [+@!+++!@+++++++++] [+@!!!!@@*+++++*++] [++@@@@+++++++++++] [+++++++++++++++++] problem 335, black to play

@@++@!+!++++++++++] [!+@@@!+!+++++++++] [+!!!!!++*+++++*++] [!++++++++++++++++] [+++++++++++++++++] problem 336, white to play

[+++!!@+++++++++++] [!!!@@@+++++++++++] [!@@+++++*+++++*++] [@++++++++++++++++] [+@+++++++++++++++] [+++++++++++++++++] problem 337, black to play

[!@+++@@!+++++++++] [!!@@@+@!+++++++++] [++!!!@@!*+++++*++] [+++++!!!+++++++++] [+++++++++++++++++] problem 338, white to play

[@++@!++++++++++++] [+@@!+!+++++++++++] @@!!!++++*+++++*++] !!++++++++++++++++] [+++++++++++++++++] problem 339, white to play

@!!+++!@++++++++++] [@@!!+!@++++++++++] [++@+!@@+*+++++*++] [+@+@@++++++++++++] [+++++++++++++++++] problem 340, black to play

[@!!++!@++++++++++] [@++!!!@++++++++++] [@!!@@@@+*+++++*++] [+@@++++++++++++++] [+++++++++++++++++] problem 341, black to play

@!!@!@++++++++++++] [+++!@++++++++++++] !!!!!@+++*+++++*++] @@@@@@++++++++++++] [+++++++++++++++++] problem 342, black to play

[+++!@++++++++++++] [!!+!@++++++++++++] [+@@@++++*+++++*++] [+++++@+++++++++++] [+@+++++++++++++++] [+++++++++++++++++] problem 343, black to play

[+++!@++++++++++++] [!!!!@++++++++++++] @@@@@++++*+++++*++] [+++++@+++++++++++] [+++++++++++++++++] problem 344, black to play

[+!+++++++++++++++] [!@@+@++++++++++++] [!+*+++++*+++++*++] [!@+++++++++++++++] [@@+++++++++++++++] [+++++++++++++++++] problem 345, black to play

[+@+@!+!++++++++++] [@!@@!++++++++++++] [+!!+!+++*+++++*++] [+++++++++++++++++] [+!++!++++++++++++] [+++++++++++++++++] problem 346, white to play

[++@!+++++++++++++] [@@!+!++++++++++++] @+@!+++++*+++++*++] [@!+++++++++++++++] !!!+!+++++++++++++] [+++++++++++++++++] problem 350, white to play

[@!!++!!@+++++++++] [+@!++!@+@++++++++] [+@!@!!@+*+++++*++] [+@@!!@@++++++++++] [+++@@++++++++++++] [+++++++++++++++++] problem 351, black to play

[!+!!@++++++++++++] [!!@@@++++++++++++] @@@*+++++*+++++*++] [+++++++++++++++++] problem 352, black to play

@@+++!++++++++++++] !!@@+!++++++++++++] [+!!!++++*+++++*++] [!++++++++++++++++] [+++++++++++++++++]

[++@++++++++++++++] [@@+++!+++++++++++] [!!@@@!++*+++++*++] [++!!!!+++++++++++] [+!+++++++++++++++] [+++++++++++++++++]

problem 347, white to play

problem 353, white to play

[++@!+++++++++++++] [@@!!+++++++++++++] [+!*+++++*+++++*++] [+!+!+++++++++++++] [+++++++++++++++++]

[!+!!!++++++++++++] [+!@@@!!++++++++++] [!@*++@++*+++++*++] [!@+++@+!+++++++++] [!@+@@!!++++++++++] [!@@!!++++++++++++] [+!!++++++++++++++] [+++++++++++++++++]

problem 348, white to play

[@!!++!@++++++++++] [@+!+!@+@+++++++++] [+@!+!@++*+++++*++] [++@+!@+++++++++++] [+@+@@@+++++++++++] [+++++++++++++++++] problem 349, black to play

problem 354, white to play

[!@+@+!@!+++++++++] [!@@!@@@!+++++++++] [+!!!!!!!*+++++*++] [!++++++++++++++++] [+++++++++++++++++] problem 355, white to play

[+++@@!+++++++++++] !@@@!!!+++++++++++] [!!!+++++*+++++*++] [+++++++++++++++++] [!++++++++++++++++] [+++++++++++++++++] problem 356, white to play

[!@@!!!@++++++++++] @!!!@@@@++++++++++] [@!@+++++*+++++*++] [@@+@+++++++++++++] [+++++++++++++++++] problem 357, black to play

[+!@+@@++!++++++++] [+!@@++@@!++++++++] [+!@!@@+!!+++++*++] [++!!!!!++++++++++] [+!+++++++++++++++] [+++++++++++++++++] problem 358, white to play

[!!++!@+++++++++++] @@@!!!@+++++++++++] [++@@@@++*+++++*++] [+@+++++++++++++++] [+++++++++++++++++] problem 359, black to play

[!+!!@@+++++++++++] [@!+!!@+++++++++++] [@!*@@+++*+++++*++] [!@@++++++++++++++] [@++++++++++++++++] [+++++++++++++++++] problem 360, black to play

[++@@!++++++++++++] [@+@!+!+++++++++++] [!@@!++++*+++++*++] [!!!++++++++++++++] [++++!++++++++++++] [+++++++++++++++++] problem 361, white to play

[!@+@++@!+++++++++] [!+@+@@!+!++++++++] [+!*!!!!+*+++++*++] [+++++++++++++++++] [+!+++++++++++++++] [+++++++++++++++++] problem 362, white to play

[@@!@+@!++++++++++] @!@!@@!+++++++++++] [+!!!!+!+*+++++*++] !!++++++++++++++++] [+!+++++++++++++++] [+++++++++++++++++] problem 363, white to play

!!!@+!@+++++++++++] [@!++!@+++++++++++] [@!!!+@++*+++++*++] [+@@@@++++++++++++] [+++++++++++++++++] problem 364, black to play

[+++++++!+++++++++] [@@++++!+!++++++++] [!!@@@+!+*+++++*++] [++!!!!+++++++++++] [+!+++++++++++++++] [+++++++++++++++++] problem 365, white to play

[@++@!++++++++++++] @+++@!++++++++++++] !@@@!!+++*+++++*++] !!!!++++++++++++++] [+++++++++++++++++] problem 366, white to play

!(((((((((((((((((> [!++!@++++++++++++] !++++@++++++++++++] @!!!@++++*+++++*++] @@@@+@++++++++++++] [+++++++++++++++++] problem 367, black to play

[+!@!++++@!+++++++] [+!@+@@@@+!+++++++] [+!*@!!!!!+++++*++] [++!!+++++++++++++] [+++++++++++++++++] problem 368, white to play

[@!@!@!+@+++++++++] [+++!@!!@+++++++++] [+@@+!++@*+++++*++] [+++@@!!@+++++++++] [+++++@@++++++++++] [+++++++++++++++++] problem 369, black to play

[@!++++@++++++++++] [@!+!@@@!+++++++++] [@!!+!!@+*+++++*++] [+@!++@+++++++++++] [+@!!@++++++++++++] [++@@@++++++++++++] [+++++++++++++++++] problem 370, white to play

[!@!@!+@++++++++++] [@@!+!++@+++++++++] @!!*!+@++*+++++*++] [@!!!@++++++++++++] [+@+@@++++++++++++] [@+@++++++++++++++] [+++++++++++++++++] problem 371, white to play

[+++++++++++++++++] [+@@!+!@@+@+++++++] [++*!++!+*+++++*++] [++@@!!@@@++++++++] [++++@@+++++++++++] [+++++++++++++++++] problem 372, white to play

[++@!!+++!!@++++++] [++@@!+!+!@@++++++] [++*+@@!@@+++++*++] [++++++@++++++++++] [+++++++@+++++++++] [+++++++++++++++++] problem 373, white to play

[+++!+@+!+++++++++] [+@+!@+@!+++++++++] [++*!@!@!*+++++*++] [+@+!!@!!+++++++++] [+++++@+++++++++++] [+@+@+++++++++++++] [+++++@+++++++++++] [+++++++++++++++++] problem 374, white to play

[@+@!!+++!!@++++++] [++@@@!!!@@@++++++] [++*++@@@*+++++*++] [+++++++++++++++++] problem 375, white to play

[+@!+!+!+!@+++++++] [+@+!@+@!+@@++++++] [++@@@+@@@+++++*++] [+++++++++++++++++] problem 376, white to play

[+!+++!@++++++++++] [@@!+!+@++++++++++] [++@+@@++*+++++*++] [+@+++++++++++++++] [+++++++++++++++++] problem 377, white to play

[+@+!+++!+++++++++] [++@@!!!@@@+++++++] [+@*+@@@+*+++++*++] [+++++++++++++++++] problem 378, white to play

@!!!+!!!@+++++++++] [@@@!@+@@+++++++++] [++*!@+++*+++++*++] [++@@++@++++++++++] [+@+++++++++++++++] [+++++++++++++++++] problem 379, white to play

@!++!!!@++++++++++] [@!+!@@@++++++++++] [@+!@++++*+++++*++] [+@@++++++++++++++] [+++++++++++++++++] problem 380, white to play

[+@!++!!++++++++++] [@+@+!++@@++++++++] [++*@!@++*+++++*++] [++++@@+++++++++++] [+++++++++++++++++] problem 381, white to play

[@!++!!@++++++++++] [@!+!+@@++++++++++] [@@*!@+++*+++++*++] [+++@+++++++++++++] [+@+++++++++++++++] [+++++++++++++++++] problem 382, white to play

[+!@!!++++++++++++] [+!@@!+!++++++++++] [++@+@!++*+++++*++] [+@++@++++++++++++] [+++++++++++++++++] [+@+++++++++++++++] [+++++++++++++++++] problem 383, white to play

[@!+++!!++++++++++] [@@!!+!@@+@+++++++] [++@@@@++*+++++*++] [+++++++++++++++++] problem 384, white to play

[@!+++!@++++++++++] [@!+!+!@++++++++++] [+@@@!!@+*+++++*++] [++++@@+++++++++++] [+++++++++++++++++] problem 385, white to play

[@!+++++++++++++++] [@!++!!@@+++++++++] [+@!!+@++*+++++*++] [+@@@@++++++++++++] [+++++++++++++++++] problem 386, white to play

[!++++++++++++++++] [@!!+@+@++++++++++] [@!@@++++*+++++*++] [+@+++++++++++++++] [+++++++++++++++++] problem 387, white to play

[@!+++++++++++++++] [@@!!@+@+@++++++++] [@!*!@+++*+++++*++] [@!!!@++++++++++++] [+@@@+++++++++++++] [+++++++++++++++++] problem 388, white to play

[+++++!@++++++++++] [@!!+!@+@+++++++++] [+@*++@++*+++++*++] [@++@+++++++++++++] [+++++++++++++++++] problem 389, white to play

[+@!+!+!!+++++++++] [@+@+!+!@@@+++++++] [++*@@@@+*+++++*++] [+++++++++++++++++] problem 390, white to play

@!++++@+++++++++++] [@!++!@+++++++++++] [@+!!+@++*+++++*++] [+++@@++++++++++++] [+@+++++++++++++++] [+++++++++++++++++] problem 391, white to play

[++@+@++++++++++++] [++@!@!!++++++++++] [+@!!!@!+*+++++*++] [+@+++@+++++++++++] [++@+@++++++++++++] [+++++++++++++++++] problem 392, white to play

[+!@!@@!+@!+++++++] [!!@!@+@@@!+++++++] [@!@!@!@!!!++++*++] [@!!!!@@!+++++++++] [@+++@!!!+++++++++] [++@+@++++++++++++] [+++++++++++++++++] [++@++++++++++++++] [++*+++++*+++++*++] problem 393, white to play

[+++++++++++++++++] [+!+!!@+!!++++++++] [+!@@!@!+*+++++*++] [+!!@@!@@+++++++++] [++@++!+++++++++++] [+++@+!+@+++++++++] [++++@@@++++++++++] [+++++++++++++++++] problem 394, black to play

[!+@++++++++++++++] [@!+!+@+@+++++++++] [@!*+++++*+++++*++] [@@!!+@+++++++++++] [++++@++++++++++++] [+@+@+++++++++++++] [+++++++++++++++++] problem 395, white to play

[@!++!!@++++++++++] @!!!!@@@++++++++++] [@@@@++++*+++++*++] [+++++++++++++++++] problem 396, white to play

[+!+@+++++++++++++] [@+!@++@@+++++++++] [+@!!!!++*+++++*++] [@!!+++@++++++++++] [+@@!!++++++++++++] [+++@@@+++++++++++] [++@++++++++++++++] [+++++++++++++++++] problem 397, white to play

[+!@+@+@++++++++++] [!++!!@+++++++++++] !@!!+++++*+++++*++] [@@!@+@+++++++++++] [++@++++++++++++++] [+@+++++++++++++++] [+++++++++++++++++] problem 398, white to play

[@+++!++++++++++++] @!!!!@!!++++++++++] [@@@@@+++*+++++*++] [+@!++!+++++++++++] [@@!+!++++++++++++] [!!!++++++++++++++] [+++++++++++++++++] problem 399, black to play

[!@++@!+++++++++++] [!@++@!+!+++++++++] [++@@@+++*+++++*++] [+!+++!+++++++++++] [+!+!++!++++++++++] [+++++++++++++++++] problem 400, black to play

!!+!@+++++++++++++] [@!!+@+@++++++++++] [@@*!!!@+*+++++*++] [++++++@++++++++++] [+@+@+@+++++++++++] [+++++++++++++++++] problem 401, white to play

[+!@++!+++++++++++] [!!+@++!++++++++++] [!@@++@++*+++++*++] [@++++@+++++++++++] [+@+++++++++++++++] [+++++++++++++++++] problem 402, white to play

[@!!++!@+@!+++++++] [@@@!!!+++!+++++++] [++*@@+@+@!++++*++] [++@++@@++++++++++] [+++++++++++++++++] problem 403, white to play

[++!!@+@++++++++++] !!@!@@++++++++++++] !@!@+++++*+++++*++] @@+@++++++++++++++] [+@+++++++++++++++] [+++++++++++++++++] problem 404, white to play

[@@!!+!!!!@+++++++] [++@@!@+@@@+++++++] [++*+!@++*+++++*++] [+@+@@++++++++++++] [+++++++++++++++++] problem 405, white to play

[@!!!+++!@!@++++++] [+@!@!!!!@!@++++++] [+@!@@@@@@!@+++*++] [++@!!+++!@@++++++] [++@@!+!+!++++++++] [+++++++++++++++++] problem 406, black to play

!@+!@+++++++++++++] [++!@+++@+++++++++] [!!@@++++*+++++*++] [@@+++++++++++++++] [+++++++++++++++++] problem 407, white to play

@@+++@!@!+++++++++] !!@@@@!@!+!+++++++] [+!!!!!!@!+++++*++] [!++++++@+++++++++] [+@+@+@+@+++++++++] [+@+++++++++++++++] [+++++++++++++++++] problem 408, white to play

[+!@++@+++++++++++] [+!@!!@+++++++++++] [+!!@@+++*+++++*++] [@++++++++++++++++] [+@+@+++++++++++++] [+++++++++++++++++] problem 409, white to play

[++!@@@+++++++++++] [+!!!@++++++++++++] [!@@@++++*+++++*++] [@++++++++++++++++] [+@+++++++++++++++] [+++++++++++++++++] problem 413, white to play

[+@!!!@+++++++++++] [!+@!@@+++++++++++] [+!!@++++*+++++*++] [!@@@+++++++++++++] @@++++++++++++++++] [+++++++++++++++++] problem 414, white to play

!++!@@++++++++++++] [+!+!!@+++++++++++] [@@*++@++*+++++*++] [+++@+++++++++++++] [+@+++++++++++++++] [+++++++++++++++++]

[++!@@!+++++++++++] [+!+!+@@++++++++++] [@@*!+!@+*+++++*++] [++++!+@++++++++++] [+@+!@@+++++++++++] [+++@+++++++++++++] [+++++++++++++++++]

problem 410, white to play

problem 415, white to play

[+!@++@+++++++++++] [+!!!@++++++++++++] [+!@@@+++*+++++*++] [@@+++++++++++++++] [+++++++++++++++++]

[++!+@++++++++++++] [+!+!+@+++++++++++] [@!*!++++*+++++*++] [@@!@+@+++++++++++] [++!@+++++++++++++] [+@@++++++++++++++] [+++++++++++++++++]

problem 411, white to play

[++@+@++++++++++++] [+!!!@++++++++++++] [+!@+@+++*+++++*++] [@+@++++++++++++++] [+@+++++++++++++++] [+++++++++++++++++] problem 412, white to play

problem 416, white to play

[@!!!!@+++++++++++] [+!@@@+@++++++++++] [+!*+++++*+++++*++] @+!@++++++++++++++] [@@@++++++++++++++] [+++++++++++++++++] problem 417, white to play

@+@+!@++++++++++++] @!!!!+@+++++++++++] !@@@@@+++*+++++*++] !+++++++++++++++++] [@++++++++++++++++] [+++++++++++++++++]

[+@!+!++!@++++++++] [+@+!+!!@+@+++++++] [++@+@@@@*+++++*++] [+@+++++++++++++++] [+@+++++++++++++++] [+++++++++++++++++]

problem 418, white to play

problem 423, black to play

[@+@!!@@@!@@++++++] [++@@!!@!!@+++++++] [++*+@!!!@+++++*++] [+++@+@++@++++++++] [+++++@+@+++++++++] [+++++++++++++++++]

!((((!((((((((((((> [!+++!@+++++++++++] !@!!!@@+++++++++++] [@@@@++++*+++++*++] [@++++++++++++++++] [+++++++++++++++++]

problem 419, white to play

problem 424, black to play

[+@!++!@+@++++++++] [@+@!+!!@+++++++++] [++@!@!@+*+++++*++] [++@+!!@++++++++++] [+++@@@@++++++++++] [+++++++++++++++++]

@!!++!@+++++++++++] [@!++!@+++++++++++] [@!!!@@++*+++++*++] [@++@!@+++++++++++] [+@!!!@+++++++++++] [+@@@+@+++++++++++] [+++++++++++++++++]

problem 420, white to play

problem 425, black to play

@!!@!+!@++++++++++] [@@!!+!@++++++++++] [++@!!@@+*+++++*++] [+@+@@++++++++++++] [+++++++++++++++++]

!!+++!@+@+++++++++] [@!!+!@+++++++++++] [@+@@@+++*+++++*++] [+@+++++++++++++++] [+++++++++++++++++]

problem 421, black to play

problem 426, black to play

!!+!+@++++++++++++] @!++!@++++++++++++] @@!!@@+++*+++++*++] [+@@++++++++++++++] [@++++++++++++++++] [+++++++++++++++++]

[@!@+!@+++++++++++] [@!+!!@+++++++++++] [@!*++@++*+++++*++] [+@!!!@+++++++++++] [@+@@@++++++++++++] [+++++++++++++++++]

problem 422, black to play

problem 427, black to play

[++!++++++++++++++] [!+++@+@++++++++++] [@!!!@+++*+++++*++] [@@+@@++++++++++++] [+++++++++++++++++] [+@+++++++++++++++] [+++++++++++++++++]

[@@@!!++++++++++++] [!!!@+!+++++++++++] [!@@+@+++*+++++*++] [!++++++++++++++++] [!@+++++++++++++++] [@@+++++++++++++++] [+++++++++++++++++]

problem 428, black to play

problem 433, black to play

!+!@!!++++++++++++] [+!@@!+!++++++++++] [++@+@!++*+++++*++] [+@++@++++++++++++] [+++++++++++++++++] [@@+++++++++++++++] [+++++++++++++++++]

!@@@!!!!@+++++++++] [!@!!@@@@+++++++++] [!!@+++++*+++++*++] !@@@+@++++++++++++] [!++++++++++++++++] [+!+++++++++++++++] [+++++++++++++++++]

problem 429, black to play

problem 434, black to play

[!!@++@@!+++++++++] [!@+++@!+!++++++++] [!@*@@+!+*+++++*++] [+@@!+!+++++++++++] [!+!!+++++++++++++] [!++++++++++++++++] [+++++++++++++++++]

[+++@+@!++++++++++] [@!!@@!+++++++++++] [@@@!!!++*+++++*++] [+++++++++++++++++]

problem 430, white to play

[@+!!!!@++++++++++] [!++@+@@++++++++++] [!+!@++++*+++++*++] [@@@++++++++++++++] [+++++++++++++++++] problem 431, black to play

[++@!!!@++++++++++] [+!!@@@@++++++++++] [+!@+++++*+++++*++] [!@@++++++++++++++] [+!+++++++++++++++] [+!+++++++++++++++] [+++++++++++++++++] problem 432, black to play

problem 435, white to play

[+!+!@@+++++++++++] [@@+!!@+++++++++++] [++!+!@++*+++++*++] [+@!!!@+++++++++++] [+@@@@@+++++++++++] [+++++++++++++++++] problem 436, black to play

[+++++++++++++++++] [++@@@@@++++++++++] [+@*!!!!@*+++++*++] [+@+++++!@++++++++] [+@+!!!+!@++++++++] [++@@@+!+@++++++++] [+++++@@@+++++++++] [+++++++++++++++++] problem 437, black to play

[@!!++++@+++++++++] [+@!++!+@+++++++++] [+@@!!+@+*+++++*++] [+@!++++++++++++++] [+@!!!!@++++++++++] [++@+@@@++++++++++] [++@++++++++++++++] [+++++++++++++++++] problem 438, black to play

[@!+!++!@+@+++++++] [+@!!!+!@+++++++++] [+@@@@!@+*+++++*++] [++++!!@++++++++++] [++@+++@++++++++++] [++++@++++++++++++] [+++++++++++++++++] problem 439, black to play

[@!!+++!++++++++++] [@!@+!!@@+@+++++++] [+@!!!@++*+++++*++] [+@++@@+++++++++++] [++@++++++++++++++] [+++++++++++++++++] problem 440, black to play

[+@!+++@!@@+++++++] [++@!!!!!@++++++++] [+@*@@@+!@+++++*++] [++++++@@+++++++++] [+++++++++++++++++] problem 441, black to play

[++!!+++++++++++++] [++!@@+@++++++++++] [!!@+++++*+++++*++] [@@@++++++++++++++] [+++++++++++++++++] [+++++++++++++++++] [+@+++++++++++++++] [+++++++++++++++++] problem 442, black to play

[!!+++!@++++++++++] [!@!!+@!@+++++++++] [@@@@@+++*+++++*++] [+++++@+++++++++++] [+++++++++++++++++] problem 443, black to play

[!@+@++!++++++++++] [!!@++@+!+++++++++] [++@@@@!+*+++++*++] [+!!!!!!++++++++++] [+++++++++++++++++] problem 444, white to play

[+@!++!@++++++++++] [+@@!!+@++++++++++] [+@!+!@++*+++++*++] [+@!!!@+++++++++++] [++@@@@+++++++++++] [+++++++++++++++++] problem 445, black to play

[++!@+@+++++++++++] [!!!@+++++++++++++] [!@@@++++*+++++*++] [@++++++++++++++++] [+@+++++++++++++++] [+++++++++++++++++] problem 446, black to play

[+++!@++++++++++++] [!!+!@++++++++++++] [!@@@@+++*+++++*++] [@@+++++++++++++++] [+!@++++++++++++++] [+++++++++++++++++] problem 447, black to play

[+++++++++++++++++] [!!++++@+@++++++++] [@@!!!+@+*+++++*++] [++@@@@+++++++++++] [+@+++++++++++++++] [+++++++++++++++++] problem 448, black to play

!+!!!@++++++++++++] [!@!@+@+++++++++++] [!@@@++++*+++++*++] @@++++++++++++++++] [+@+++++++++++++++] [+++++++++++++++++] problem 449, black to play

[+@!+++!@+++++++++] [+@!+++!@+++++++++] [++@!@!@+*+++++*++] [++@!@!@++++++++++] [++@!!!@++++++++++] [+++@@@+++++++++++] [+++++++++++++++++] problem 450, black to play

[+@+++++@+++++++++] [+@!!+!!@+++++++++] [++@!!!@@*+++++*++] [++@!@++++++++++++] [++@!!!@@+++++++++] [+++@@@+++++++++++] [+++++++++++++++++] problem 451, black to play

[+++@@++++++++++++] [+!++!!!++++++++++] [++@@!+!+*+++++*++] [@+@+@++++++++++++] [@!!@+!+++++++++++] [+!++!++++++++++++] [+!!++++++++++++++] [+++++++++++++++++] problem 452, white to play

@@!!+!+!!@++++++++] [+@!+@!!@@++++++++] [+@@@@@@+*+++++*++] [+++++++++++++++++] problem 453, black to play

[@!+!++!@+++++++++] [+@!!!!@@+++++++++] [@+@@@@++*+++++*++] [+++++++++++++++++] problem 454, black to play

[!@@!!!@@@!+++++++] [@!@+!@++!++++++++] [+!@!!@+@*!++++*++] [+!!@@@+!!++++++++] [+++!!+!++++++++++] [++++++!++++++++++] [+++++++++++++++++] problem 455, white to play

!!++!!!@++++++++++] @@!!!@@@++++++++++] [+@@@++++*+++++*++] [@++++++++++++++++] [+++++++++++++++++] problem 456, black to play

[+!@@!@+++++++++++] [!@!!!@+++++++++++] [!@*!@+++*+++++*++] [@!!!@++++++++++++] [@+++@++++++++++++] [+@+@+++++++++++++] [+++++++++++++++++] problem 457, black to play

[@!+!!@+!@++++++++] [+@!!+!!+@++++++++] [@+@@@@@@*+++++*++] [+++++++++++++++++] problem 458, black to play

[@!++!+!@+++++++++] [@!!+!!@+@++++++++] [+@@!@+@+*+++++*++] [@+++@+@++++++++++] [+@+++++++++++++++] [+++++++++++++++++] problem 459, black to play

[+@!+!++@+++++++++] [@+@!++!@+++++++++] [++@@!+!@*+++++*++] [++++!+!@+++++++++] [+++@@+@++++++++++] [+++++++++++++++++]

[@!+++!@@+++++++++] [@!+!!@!@+++++++++] [+@@++@++*+++++*++] [+@!!!+@++++++++++] [+@!+!++++++++++++] [+@!!@@+++++++++++] [++@@+++++++++++++] [+++++++++++++++++] problem 464, black to play

problem 460, black to play

[!+++!@+++++++++++] [!+!+!@+++++++++++] [@+!@@@++*+++++*++] [+@@++++++++++++++] [+++++++++++++++++]

[+++!@++++++++++++] [!!!@@@+++++++++++] @!@@!++++*+++++*++] [@++@+++++++++++++] [+@+++++++++++++++] [@++++++++++++++++] [+++++++++++++++++]

!!++!@+@++++++++++] @!++!@++++++++++++] @@!*@@+++*+++++*++] [+@@++++++++++++++] [@++++++++++++++++] [+++++++++++++++++]

problem 461, black to play

problem 466, black to play

[@!!++!+!@@+++++++] [+@@!!!!@@++++++++] [++*@@@@+*+++++*++] [+++++++++++++++++]

!!++!@++++++++++++] !@!!!!@@+@++++++++] @@@@@@+++*+++++*++] [+++++++++++++++++]

problem 462, black to play

problem 467, black to play

!!++!@+++@++++++++] [@!!!!@@+@++++++++] [@@@@@+++@+++++*++] [+++++++++++++++++]

[@@!+++!@+++++++++] [++!@+!@@+++++++++] [+@!!+!++*+++++*++] [+@++@@@++++++++++] [++@++++++++++++++] [+++++++++++++++++]

problem 463, black to play

problem 465, black to play

problem 468, black to play

[+++++++++++++++++] [!!+!+@@++++++++++] [@@*!@+++*+++++*++] [++@@+++++++++++++] [+++++++++++++++++]

[!!++!@+++++++++++] @@@!!!@+++++++++++] [++@@@@++*+++++*++] [+@+++++++++++++++] [+++++++++++++++++]

problem 469, black to play

problem 474, black to play

[+++++++++++++++++] [++!!+@+@+++++++++] [!!@@@+++*+++++*++] [@@+++++++++++++++] [+++++++++++++++++] [+++++++++++++++++] [+@+++++++++++++++] [+++++++++++++++++]

[!!+++!@++++++++++] !@@+!!!@++++++++++] @++@@@@@+*+++++*++] [@++++++++++++++++] [+++++++++++++++++]

problem 470, black to play

[@!+++!!@@++++++++] [@@!!!@!!@@+++++++] [++@@@@!+!@++++*++] [++++++!!!@+++++++] [+++++@@@@++++++++] [+++++++++++++++++] problem 471, black to play

!!+++!+!@+++++++++] @@!!!@!+@+++++++++] [+@@@@+++*+++++*++] [@+++++@++++++++++] [+++++++++++++++++] problem 472, black to play

[@!++!++@+++++++++] [@!!+@!!@+++++++++] [+@@+!!@@*+++++*++] [+++++++++++++++++] [++@+@+@++++++++++] [+++++++++++++++++] problem 473, black to play

problem 475, black to play

!!+++@++++++++++++] [!+!!@++++++++++++] [!+@+@+++*+++++*++] !@+@++++++++++++++] [@+@++++++++++++++] [+++++++++++++++++] problem 476, black to play

[+@@!!+!@+++++++++] [!+!!++!@+++++++++] [@+*+!!!@*+++++*++] [@+!+!@+@+++++++++] [+@+@@@+++++++++++] [+++++++++++++++++] problem 477, black to play

[+@!+++@+@++++++++] [@!++!!@++++++++++] [@!*!+!@+*+++++*++] [@+@!+!@++++++++++] [++@!!@@++++++++++] [++@@@++++++++++++] [+++++++++++++++++] problem 478, black to play

[+!!@+++++++++++++] !+!@+@++++++++++++] [!@@+++++*+++++*++] [@++++++++++++++++] [+@+++++++++++++++] [+++++++++++++++++]

[+!+++++++++++++++] [++@++@+++++++++++] [+!*@++++*+++++*++] [!!+++@+++++++++++] [@@@++++++++++++++] [+++++++++++++++++]

problem 479, black to play

problem 484, black to play

[+++++++++++++++++] [+++@@@+++++++++++] [+@@!!+@@@+++++*++] [+@!+@!@!!@@++++++] [+@!!+!!++!@++++++] [+@+@!+!++!@++++++] [+++@!+@!!+@++++++] [+++@@!@@@@+++++++] [++*++@++*+++++*++] [+++++++++++++++++]

[!+++!@+++++++++++] !@!!!@@+++++++++++] [@@@@++++*+++++*++] [+++++++++++++++++]

problem 480, black to play

[+!@+!@+++++++++++] [!+!!!+@++++++++++] !@@@@@@++*+++++*++] @+++++++++++++++++] [@++++++++++++++++] [+++++++++++++++++] problem 481, black to play

[+@!!@+@++++++++++] [!!!!@++++++++++++] [@!@@@+++*+++++*++] [@@@++++++++++++++] [+++++++++++++++++] problem 482, black to play

[+!++++@++++++++++] [!@!!!@+++++++++++] [+@@+@+++*+++++*++] [+++++@+++++++++++] [+@+++++++++++++++] [+++++++++++++++++] problem 483, black to play

problem 485, black to play

[+@!+!++!@++++++++] [+@@!!++!+@+++++++] [++*@@!!@@+++++*++] [++@++@@++++++++++] [+++++++++++++++++] problem 486, black to play

[++!++++++++++++++] [!!@@+@+++++++++++] @@@*+++++*+++++*++] [++@++++++++++++++] [+++++++++++++++++] problem 487, black to play

[+!++@++++++++++++] [!++!@++++++++++++] [@!!!+@++*+++++*++] [@@@@@++++++++++++] [+++++++++++++++++] problem 488, black to play

[!+!@+!@++++++++++] [@!!@!+@++++++++++] @+@@!!+++*+++++*++] [@++@@@+++++++++++] [+++++++++++++++++] problem 489, black to play

[!+!+!@+++++++++++] [@!!+!@+++++++++++] [@@@!+@++*+++++*++] [+++@@++++++++++++] [+++++++++++++++++] problem 490, black to play

@@!!+!@@@@!+++++++] [+@@!!@!++!+++++++] [@+*@@!!+!+++++*++] [+@+++++++++++++++] [+++++++++++++++++] [+@+++++++++++++++] [+++++++++++++++++] problem 491, white to play

[@!!@@@!@+++++++++] @@!@@@!@@+++++++++] !!!!!!!++*+++++*++] [@++++++@+++++++++] [+@+@+@+++++++++++] [+++++++++++++++++] problem 492, white to play

[!!++!@+@+++++++++] !+@!!@!@+@++++++++] @@@@!@!!@*+++++*++] [!!@@@++++++++++++] [+++++!!++++++++++] [+!+!+++++++++++++] [+++++++++++++++++] problem 493, black to play

[@!+++@@!+@+++++++] [!@@@@!!!+++++++++] [!!!!!!++*@++++*++] [+++++@@+@++++++++] [!@+@+++++++++++++] [@@+++++++++++++++] [+++++++++++++++++] problem 494, white to play

[@!!++++@!!!@+++++] [@@!+!!!@!+@@+++++] [++@@@@@!!@++++*++] [!@++++!@@@+++++++] [+!!+!+!++++++++++] [+++++++++++++++++] problem 495, black to play

[!++@+!@++++++++++] [@@+@!!@++++++++++] @!!!!+!@+*+++++*++] [@@+++!@++++++++++] [+++!++@++++++++++] [+@++@++++++++++++] [++@++++++++++++++] [+++++++++++++++++] problem 496, white to play

[@++!!+!!!@+++++++] [+@@@!+@@@@+++++++] [++*++@++*+++++*++] [+++@+++++++++++++] [+++++++++++++++++] problem 497, white to play

[+++@++@++++++++++] [+!!@!!@++++++++++] [+!@++!@+*+++++*++] [!@@+@!+++++++++++] [!!@@+!+@+++++++++] [++!+++@++++++++++] [+@++@++++++++++++] [++@++++++++++++++] [++*+++++*+++++*++] problem 498, white to play

[+@!!@@@!!@+++++++] [+@+!+!+!+@+++++++] [++@@!!!@@+++++*++] [++++@@@++++++++++] [+++++++++++++++++] problem 499, white to play

[!!+!+++++++++++++] [@!@!++@+!++++++++] [@@*@@+++*+++++*++] [++@+++@++++++++++] [+++++++++++++++++] problem 500, white to play

[+++!@++++++++++++] [!!+!@++++++++++++] @!@@+@+++*+++++*++] [@++++++++++++++++] [+@++@++++++++++++] [+++++++++++++++++] problem 501, white to play

[++!+!!@++++++++++] [@@!@!@+@+++++++++] [+!*+@@++*+++++*++] [+@+@+++++++++++++] [+@+++++++++++++++] [+++++++++++++++++] problem 502, white to play

[@!++++!@+++++++++] [@@!!++!+@++++++++] [++@@@@@@*+++++*++] [+++++++++++++++++] problem 503, white to play

[@!!+!++++++++++++] [+@!++++@@++++++++] [+@@!!@@+*+++++*++] [+++@@++++++++++++] [+++++++++++++++++] problem 504, white to play

[@!!++!!!@++++++++] [@@!++!@@@++++++++] [++!@@@++*+++++*++] [+@@++++++++++++++] [+++++++++++++++++] problem 505, white to play

[+@!+++!@+++++++++] [+@@+!+@@+++++++++] [++*!+!++*+++++*++] [++@!+!+@+++++++++] [++@+@+@++++++++++] [++++@++++++++++++] [+++++++++++++++++] problem 506, white to play

[!@+!@+++@++++++++] @!@+!+@+@+++++++++] [@!!+!+!+*+++++*++] [+@!!!+!@+++++++++] [@+@@@+@@+++++++++] [+++++++++++++++++] problem 507, white to play

[@!@++@!+@+!++++++] [@!@!+@!@@++++++++] !@@!@@@@!@!!+++*++] [!!!!!!!!!@+++++++] [+++++++++@+++++++] [@+@+@+@+@++++++++] [+++++++++++++++++] problem 508, white to play

[+++++@!@+!+++++++] [+@@!!@!@+!@@+++++] [+@!@@!@@*!++++*++] [++!++!!!!+@++++++] [+@@@+++++@+++++++] [++++@+@+@++++++++] [+++++++++++++++++] problem 509, white to play

@(@!((@(((((((((((> [@!++++!@+++++++++] [@!!!!!!@+++++++++] [+@@@@@@@*+++++*++] [@++++++++++++++++] [+++++++++++++++++] problem 510, white to play

[@!@++++@+++++++++] [@!!!!+!!@+@++++++] [+@!+@!@+@+++++*++] [+@!++@@++++++++++] [++@+@++++++++++++] [++@++++++++++++++] [+++++++++++++++++] problem 511, white to play

[@!+++@!@+++++++++] [@!+!!@!+@++++++++] [@+@+@!!@*+++++*++] [+@++@++@+++++++++] [+++++@+++++++++++] [+++++++++++++++++] problem 512, white to play

[++!!@++++++++++++] [+!@@@++++++++++++] [!!*+++++*+++++*++] [@!@++++++++++++++] [@@@++++++++++++++] [+++++++++++++++++] problem 513, white to play

[!+++@@+++++++++++] [+!!+!++++++++++++] [@@@+++@+*+++++*++] [++++@++++++++++++] [+++++++++++++++++] problem 514, white to play

[@!@+!++++++++++++] @!!!!@@+@+++++++++] [@+*@++++*+++++*++] [@+@++++++++++++++] [+++++++++++++++++] problem 515, white to play

@+@!@+@+++++++++++] [++!@+++++++++++++] !!!!@++++*+++++*++] [@@@@+++++++++++++] [+++++++++++++++++] problem 516, white to play

[+!+++++++++++++++] [!@!!@++@+++++++++] [@@*++@++*+++++*++] [+@!!+++++++++++++] [++@++@+++++++++++] [++@+@++++++++++++] [+++++++++++++++++] problem 517, white to play

[+++!!@+++++++++++] [+!!@!@+++++++++++] [@+@@@@++*+++++*++] [+@+++++++++++++++] [+++++++++++++++++] problem 518, white to play

[+@+++!+!@++++++++] [@+!!!+!@+@+++++++] [+@@@@@@@*+++++*++] [+++++++++++++++++] problem 519, white to play

[+!@++++@!++++++++] [+!@@+@@+!++++++++] [+!*!!++!*+++++*++] [++!+++!++++++++++] [+++++++++++++++++] problem 520, black to play

[++@!@+@!+!@++++++] [++@++@!!+++++++++] [++@!!@@!*@@+++*++] [+@+++!!@@++++++++] [+@!+!++!+++++++++] [+++++++++++++++++] problem 521, white to play

[+@!!+@+++++++++++] [@+@!++@++++++++++] [++@!!!!@@+++++*++] [+@!!@++++++++++++] [+@@@!!+@+++++++++] [++++@@+++++++++++] [+++++++++++++++++] problem 522, white to play

[@!!+!@+++++++++++] [+@@!+@+@+++++++++] [++*!!!@+*+++++*++] [+@++@!@++++++++++] [+@!!!@@++++++++++] [++@@@++++++++++++] [+++++++++++++++++] problem 523, white to play

[@!+!++@+@++++++++] [@+!@@@!@+++++++++] [++*!!!!@*+++++*++] [+@!+++@++++++++++] [+@!!!++++++++++++] [++@@++@++++++++++] [+@+++@+++++++++++] [+++++++++++++++++] problem 524, white to play

!!+!@!@+++++++++++] [+!@+!@+++++++++++] @!@@+@+++*+++++*++] [@++++++++++++++++] [+++++++++++++++++] problem 525, white to play

[!!+!!@+++++++++++] !@++@@@+++++++++++] [++!+++++*+++++*++] [+@+@+++++++++++++] [+@+++++++++++++++] [+++++++++++++++++] problem 526, white to play

[!+@!!@+++++++++++] [!+!@@+@++++++++++] [++!!@+++*+++++*++] [@++@@++++++++++++] [+@@++++++++++++++] [+++++++++++++++++] problem 527, white to play

@!@@++!!@+++++++++] @!!!!!@@@+++++++++] [@+*+@+++*+++++*++] [+@+@+++++++++++++] [+++++++++++++++++] problem 528, white to play

[++++!@@++++++++++] [+!@@!!@++++++++++] [!+*+!@++*+++++*++] [!@@@!@+++++++++++] [+!!!@@+++++++++++] [+++++++++++++++++] problem 529, white to play

[+++!++!@+++++++++] [+@@!+!@@+@+++++++] [+@!!!!!@*+++++*++] [++@+@+@@+++++++++] [+@++@++++++++++++] [+++++++++++++++++] problem 530, white to play

[+!@+!!+++++++++++] [+!@@@!+@+!+++++++] [++!++!+@*+++++*++] [+!+@@!@++!+++++++] [+++++@+++++++++++] [++!+@+@++++++++++] [+++++++++++++++++] problem 531, white to play

[@++!@!@++++++++++] [@!!+@!@@+++++++++] [+@@!@!++*+++++*++] [+++!!!@++++++++++] [++@+@@@++++++++++] [+@+@+++++++++++++] [+++++++++++++++++]

@!+!+!@+++++++++++] [@!+@!@+++++++++++] [@+!!@+++*+++++*++] [+@!@@++++++++++++] [++@++++++++++++++] [+@+++++++++++++++] [+++++++++++++++++]

problem 532, white to play

problem 537, white to play

@!+!!@+@@+++++++++] [@!!@@@!!@++++++++] [+@!!!!!@*@++++*++] [@++!+++@+++++++++] [+@+@!!+++++++++++] [+++@@@@++++++++++] [+++++++++++++++++]

[!@@++!+++++++++++] [+!++@+!++++++++++] [+!@+@+++*+++++*++] [+!@+@+!++++++++++] [+!@@!!+++++++++++] [++!!+++++++++++++] [+++++++++++++++++]

problem 533, white to play

problem 538, black to play

@!@!@+++@+++++++++] @@@!@++@++++++++++] !!!!!!+++*+++++*++] [@@@!@+@++++++++++] [+++@@++++++++++++] [+++++++++++++++++] problem 534, white to play

[!@!+@!+!@++++++++] [!@@@++++@++++++++] [+!@!!!!!@+++++*++] [+!@@@+@+@++++++++] [++!+++@++++++++++] [++!+@++++++++++++] [+++++++++++++++++]

[+@!@@++++++++++++] [+@+!@+@++++++++++] [!!!!!@++*+++++*++] [@@+++!@++++++++++] [+@!!+!@++++++++++] [++@!++@++++++++++] [+@+@@++++++++++++] [+++++++++++++++++]

[@+++!@++@!+++++++] [@!!+++@+@!+++++++] [+@@!!!!+*!++++*++] [+++@+@!@@!+++++++] [++@++@@++!+++++++] [++++++++@++++++++] [+++++++++++++++++]

problem 535, white to play

problem 540, white to play

@!+!+!@+++++++++++] [@+++!@+++++++++++] [@!!!@@++*+++++*++] [+@+@+++++++++++++] [@++@+++++++++++++] [+++++++++++++++++]

[@+@++@@++++++++++] [!@++@!!@+++++++++] [!@!!@@!@*+++++*++] [!@+++!!@+++++++++] [!!!!!!@@+++++++++] [!@@@@@+++++++++++] [@++++++++++++++++] [+@+++++++++++++++] [++*+++++*+++++*++]

problem 536, white to play

problem 539, white to play

problem 541, white to play

!@@+++++@+++++++++] [!!@@+@@!@@@++++++] [++!!+@!!!+++++*++] [+!++!!++++@++++++] [++@!++!@+@+++++++] [@+@@+@@++++++++++] [+++++++++++++++++] problem 542, white to play

[+++@!++!!@+++++++] [++@+!++!@@+++++++] [++*+!!!+*+++++*++] [++@!+!@+@++++++++] [++@@!@@++++++++++] [++++@++++++++++++] [+++++++++++++++++] problem 543, white to play

[+!+@+++++++++++++] [!+!+@+@@+++++++++] [!@!!!!!@*+++++*++] [@+@+++@++++++++++] [+@@+@++++++++++++] [+++++++++++++++++] problem 544, white to play

[@@!@+++++++++++++] [@!!+@+++@++++++++] [!!*!!@@+*+++++*++] [@!!!@++++++++++++] [@+++@++++++++++++] [+@+@+++++++++++++] [+++++++++++++++++] problem 545, white to play

[+!@@++@@!++++++++] [++!!@@!!+++++++++] [++!@++++!+++++*++] [++!!+!+++++++++++] [+++++++++++++++++] problem 546, black to play

[@!+!+!@++++++++++] [++!++!@++++++++++] [+@!!!@@+*+++++*++] [@+@+@++++++++++++] [+@@++++++++++++++] [+++++++++++++++++] problem 547, white to play

@@!+++++++++++++++] !@+!!@@+@+++++++++] !!!*@++++*+++++*++] [@@@++++++++++++++] [++++@++++++++++++] [+++++++++++++++++] problem 548, black to play

[@!+!+!@++++++++++] [@!+!+@@++++++++++] [+@!!@+++*+++++*++] [+@@@@++++++++++++] [+++++++++++++++++] problem 549, black to play

[++!@+++++++++++++] [!+!@++@++++++++++] [+!@+++++*+++++*++] [@+@++++++++++++++] [+@+++++++++++++++] [+++++++++++++++++] problem 550, white to play

[!++!@++++++++++++] [+!!@@@+++++++++++] [@@@!++++*+++++*++] [+++@+++++++++++++] [+++++++++++++++++] problem 551, black to play

[@@!+!+!@+++++++++] [@!+@!+@+@++++++++] [@!!!@@++*+++++*++] [@++@+++++++++++++] [+@+++++++++++++++] [+++++++++++++++++]

[@!+++!!@+@+++++++] [@!+!+@@!@++++++++] [+@@!+!!!@+++++*++] [@++@++++@++++++++] [+++@+@+@+++++++++] [+++++++++++++++++]

problem 552, black to play

problem 557, black to play

[@!!!++!++++++++++] [+@!@!!@@+@+++++++] [@+@@++++*+++++*++] [+++++@+@+++++++++] [++@++++++++++++++] [+++++++++++++++++]

[++++++!++++++++++] [+@@!!+@@+++++++++] [+@!+!+++*+++++*++] [+@!+!+@++++++++++] [+@!++@+++++++++++] [++@@+++++++++++++] [+++++++++++++++++]

problem 553, black to play

[!+!!!@+++++++++++] [!+!@@+@++++++++++] !@!@@++++*+++++*++] [@!!++++++++++++++] [@@++@++++++++++++] [+@+@+++++++++++++] [+++++++++++++++++] problem 554, black to play

[@!+++@!@+++++++++] [@!+!!+!+@++++++++] [@+@+@!!+*+++++*++] [+@++@@@@+++++++++] [+++++++++++++++++] problem 555, black to play

!!+!+!@+++++++++++] [@!+!+@++@++++++++] [@@@@@+++*+++++*++] [+++++++++++++++++] problem 556, black to play

problem 558, black to play

[++!+@+@!+++++++++] [+@!!@@!+!++++++++] [+@@@!!!+*+++++*++] [+++++++++++++++++] problem 559, black to play

[@@!+++!@@++++++++] [@!@+!+!@+++++++++] [@!!++@+@*+++++*++] [@++!+@+++++++++++] [+@@@@++++++++++++] [+++++++++++++++++] problem 560, black to play

[!++!@+@++++++++++] [@!+!!@+++++++++++] [+!*+@+++*+++++*++] @++@+@++++++++++++] [@@+@+++++++++++++] [+++++++++++++++++] problem 561, black to play

[@!@!!++!@@+++++++] [+@!!@!!!!@+++++++] [+@@@@@@@@@++++*++] [+++++++++++++++++] problem 562, white to play

[@!!!++!@+@+++++++] [+@!@!+!@+++++++++] [@+@@+!+@*+++++*++] [++++++@++++++++++] [++@+@++++++++++++] [+++++++++++++++++]

[+++!!@+++++++++++] [+!!@@@+++++++++++] [+@@+++++*+++++*++] [+++++++++++++++++] [+@+++++++++++++++] [+++++++++++++++++]

problem 563, black to play

problem 568, black to play

[@+@!!++!@@+++++++] [++@!@!+!!@+++++++] [++@@@!@!@+++++*++] [++++++!!@++++++++] [+++@++@@@++++++++] [++++@++++++++++++] [+++++++++++++++++]

[+++++++++++++++++] [@@!!+!+!!@@++++++] [++@@!!!@@+++++*++] [+@++@@@++@+++++++] [+++++++++++++++++]

problem 564, black to play

[@!+!++!@@++++++++] [@!++!+!@+++++++++] [@!*!@+@@*+++++*++] [+@!!@++++++++++++] [+@+@@++++++++++++] [+++++++++++++++++]

problem 569, black to play

[++++++!+!!@++++++] [@@@!!+!!@@@++++++] [++*@@@@@*+++++*++] [@++++++++++++++++] [+++++++++++++++++] problem 570, black to play

[@!+++@++@++++++++] [+@!!!!!!@++++++++] [+@@@@!!@@+++++*++] [+++++@@++++++++++] [+++++++++++++++++]

[+++++++++++++++++] [@@@@@++++++++++++] [!!!!!@++*+++++*++] [+++++!@++++++++++] [!!!!+!@++++++++++] [@@@@!+@++++++++++] [++++@@+++++++++++] [+++++++++++++++++]

problem 566, black to play

problem 571, black to play

[@!!++!!@+++++++++] [@!@@!+!+@+@++++++] [@@!!!@@@*+++++*++] [++@@@++++++++++++] [+++++++++++++++++]

[!@++!@+++++++++++] [!+!!@@+++++++++++] [++!@++++*+++++*++] [@@@+@++++++++++++] [+++++++++++++++++]

problem 567, black to play

problem 572, black to play

problem 565, black to play

[+!++!!@++++++++++] [+++!!@@++++++++++] [+@@@@+++*+++++*++] [+++++++++++++++++] problem 573, black to play

[++++!!@++++++++++] [++!!!@+@+++++++++] [!+@@@@++*+++++*++] [@@+++++++++++++++] [+++++++++++++++++] problem 574, black to play

[+!+++!@++++++++++] [+++!!@+@+++++++++] [+@@@@@++*+++++*++] [+++++++++++++++++] [+++++++++++++++++] [+@+++++++++++++++] [+++++++++++++++++] problem 575, black to play

[@!+!+!!@+++++++++] [@!+!@+@@+++++++++] [+@!!!@++*+++++*++] [+@@@@++++++++++++] [+++++++++++++++++] problem 576, black to play

[+@+!@+++!!@++++++] [+++!@!!!@@@++++++] [+@*!!@@@*+++++*++] [++@@@++++++++++++] [+++++++++++++++++] problem 577, black to play

[@+!++!+!!@+++++++] [@+++!!+@+@+++++++] [+@@@@!@@*+++++*++] [+++++@+++++++++++] [+++++++++++++++++] problem 578, black to play

!+!++++@++++++++++] @!!!!+@+++++++++++] @@@@@@+@+*+++++*++] [+++++++++++++++++] problem 579, black to play

[@@!++++++++++++++] [+!@@!!+++++++++++] [+!*+@!@!*+++++*++] [+!!+@@!++++++++++] [@@!+@!!++++++++++] [+++!!@+++++++++++] [+@+++@+++++++++++] [++@+@++++++++++++] [++*+++++*+++++*++] problem 580, black to play

[+!++!@+++++++++++] [!!!+!@++@++++++++] [@!@!@@++*+++++*++] [@@@@+++++++++++++] [+++++++++++++++++] problem 581, black to play

!@!+++++++++++++++] [!@!!!+@@+++++++++] [+@@@@@++*+++++*++] [@++++++++++++++++] [+++++++++++++++++] problem 582, black to play

[+@!!++++@@+++++++] [@+@@!!!@+++++++++] [++*@!+!!@@++++*++] [+++@!!@@+++++++++] [++++@@+++++++++++] [+++++++++++++++++] problem 583, black to play

[+++!+++++++++++++] [@@!+!@@+@++++++++] [@!!@!!@+*+++++*++] [+@@!!@@++++++++++] [@++@@++++++++++++] [+++++++++++++++++] problem 584, black to play

[@!@!!++++++++++++] [+!@@!++!+++++++++] [!+@+++++*+++++*++] [+++++++++++++++++] [!+@++++++++++++++] [@@+@+++++++++++++] [+++++++++++++++++] problem 585, black to play

[@@!++!!!@@+++++++] [+@!+!@@@+++++++++] [+@!+!@++*+++++*++] [+@!+!@+++++++++++] [++@!+@+++++++++++] [++@@@++++++++++++] [+++++++++++++++++] problem 586, black to play

!@!!!!+@++++++++++] [@++++@+++++++++++] @!!!!!@++*+++++*++] @@@@@@++++++++++++] [+++++++++++++++++] problem 587, black to play

[+!!@@+@++++++++++] [!+!@!@+++++++++++] [@@!@!+++*+++++*++] [+@@!!++++++++++++] [!+!++++++++++++++] [+!+++++++++++++++] [+++++++++++++++++] problem 588, black to play

[+!++!@@++++++++++] [+@!!!!@++++++++++] [+!!@@@++*+++++*++] [@@@++++++++++++++] [+++++++++++++++++] problem 589, black to play

@@!!!@++++++++++++] !@++!@++++++++++++] !!!!+@+++*+++++*++] @@@@@+++++++++++++] [+++++++++++++++++] problem 590, black to play

[@!+!@@!@+++++++++] [!++!!!!@+++++++++] [+@*!@+@@*+++++*++] [+@+@@++++++++++++] [+++++++++++++++++] problem 591, black to play

[@!!!!!@@+++++++++] [!@!++!!@+++++++++] [+@!+@+!@*+++++*++] [+@@@!!@++++++++++] [++++@+@++++++++++] [+++@+++++++++++++] [+++++++++++++++++] problem 592, black to play

[@!!!+@+!@+@++++++] [+@@!!!!!@++++++++] [+@*@+@+@@+++++*++] [++@+@+@++++++++++] [+++++++++++++++++] problem 593, black to play

[!@+@@!!++++++++++] [!!@@!@+!+++++++++] [+!!!!@++*+++++*++] [+@@@@++++++++++++] [+++++++++++++++++] [+!+!+++++++++++++] [+++++++++++++++++] problem 594, black to play

[@!!+!++++@+++++++] [@@@!!!!+@++++++++] [++*@+@+@*@++++*++] [++@++@+++++++++++] [+++++++++++++++++] problem 595, black to play

[+@@!!+!++++++++++] [+@!@@!+++++++++++] [!!!!@!++*+++++*++] [+!+!@++++++++++++] [@@@+@++++++++++++] [+++@+++++++++++++] [+++++++++++++++++]

[!@++@++++++++++++] [!!!!@++++++++++++] !@!@+@+++*+++++*++] [@@+@+++++++++++++] [@++++++++++++++++] [+++++++++++++++++] problem 600, black to play

problem 596, black to play

[@!++++!@+++++++++] [@!+@@!@@+++++++++] [+@!!!!++*+++++*++] [@@!@+++@+++++++++] [++@!!+@++++++++++] [++@@@@+++++++++++] [+++++++++++++++++]

[+++++@!@!+@++++++] [++@!!!@!!!@++++++] [+@*@@+@+*@@+++*++] [+++++++@+++++++++] [+++++++++++++++++]

[@!!++!!!@++++++++] [@@!!+@@+@++++++++] [++@@@+++@+++++*++] [+++++++++++++++++]

problem 597, black to play

problem 602, black to play

[+@+@!+@+!++++++++] [@!@@!!+++!+++++++] [@!!!@@@@*+++++*++] [@+++!++++!+++++++] [+@+!++!+!++++++++] [+++++++++++++++++]

[+@+!+!@@+@+++++++] [@++++!@!@++++++++] [++@+!+!!@+++++*++] [+++@!!!@+++++++++] [++++@@@@+++++++++] [+++++++++++++++++]

problem 598, white to play

problem 603, black to play

[@++@!+!@+++++++++] [@!!!@!+!!++++++++] [+@*+@@@+*+++++*++] [+@!!!++++++++++++] [+@++++@++++++++++] [+++@+@+++++++++++] [+++++++++++++++++]

[@!+!+++++++++++++] [@!!@!!+@@++++++++] [+@@@++++*+++++*++] [+++++@+@+++++++++] [+++++++++++++++++]

problem 599, black to play

problem 601, black to play

problem 604, black to play

[@!++!@+++++++++++] !!@!!@@+++++++++++] [@+!@++++*+++++*++] [!@@@+++++++++++++] [@++++++++++++++++] [+++++++++++++++++] problem 605, black to play

[+++++@+++++++++++] !!!!!+@+++++++++++] @@@@@@+++*+++++*++] [+++++++++++++++++] problem 606, black to play

[+!++@!@++++++++++] [!+++@!@++++++++++] !@!!!!!+@*+++++*++] [@@@@@@@++++++++++] [@++++++++++++++++] [+++++++++++++++++] problem 607, black to play

[@!!!+!+!@++++++++] [+@@!!!!@+@+++++++] [+@*@+@@@*+++++*++] [++@+@++++++++++++] [+++++++++++++++++] problem 608, black to play

[@++++!!@@++++++++] [@+!++@@!@++++++++] [@+*!!!!!@+++++*++] [+@++@@@@+++++++++] [++@++++++++++++++] [+++++++++++++++++] problem 609, black to play

[@@@+++!!@++++++++] [!!@!++!@+@+++++++] [+@!!+@!@*+++++*++] [+@@!!!!@+++++++++] [+++@@+@++++++++++] [++@++++@+++++++++] [+++++++++++++++++] problem 610, black to play

[@!!!+++!@++++++++] [+@@!!!!@@++++++++] [+@*!@@@+*+++++*++] [++@@+++@+++++++++] [+++++++++++++++++] problem 611, black to play

[+++!+!@++++++++++] [+@@++++++++++++++] [+@!!!@@+*+++++*++] [+!@@@!+++++++++++] [+!+++!+++++++++++] [+++++++++++++++++] problem 612, black to play

[@!+!+!!@@++++++++] [@!+!!@@++++++++++] [@+@+@++@*+++++*++] [+@+++@+++++++++++] [+++++++++++++++++] problem 613, black to play

[++!!++@++++++++++] [+!@+!!@++++++++++] [+!*@@@@+*+++++*++] [@@@++++++++++++++] [+++++++++++++++++] problem 614, black to play

[+++!!++++++++++++] [+@@@!@!++++++++++] [+!*++!++*+++++*++] [+!@@@+!++++++++++] [@@!!+++++++++++++] [!!+++!+++++++++++] [+++++++++++++++++] problem 615, black to play

!@@+!++@!!!+++++++] [!+@@@!@@+++++++++] [!+!!!@!@!+!+++*++] [++!+@@!+!++++++++] [+++!++!++++++++++] [+++++!+++++++++++] [+++++++++++++++++] problem 616, black to play

[+!@!+++++++++++++] [!+@@!!+!+++++++++] [@@@@+!++*+++++*++] [@!+++!+++++++++++] [!!@@+++++++++++++] !@@@!!++++++++++++] [!!!++++++++++++++] [+++++++++++++++++] problem 617, black to play

[@+!++++++++++++++] [+++!!@!++++++++++] [@@@@@!!+*+++++*++] [!+++!++++++++++++] [+!+!+++++++++++++] [+++++++++++++++++] problem 618, black to play

[!@@+@!!@@@!++++++] [!!!+@@@!!!!++++++] [++*!++!+*+++++*++] [++++!!+++++++++++] [+++++++++++++++++] problem 619, black to play

[++!@!++!+++++++++] [@@!@@!!++++++++++] !!!!@+@@!!+++++*++] @@@@@+++@+++++++++] [+++++++++++++++++] problem 620, black to play

!@@!@+++++!+++++++] [!!@@@@+!!++++++++] [++!!!!!+*!++++*++] [+!+++++++++++++++] [+++++++++++++++++] problem 621, white to play

!@!!++@@!+++++++++] !@@@@@!!+!++++++++] [!!*!+!++*+++++*++] [+++!+!+++++++++++] [+++++++++++++++++] problem 622, black to play

[@!@!!++++++++++++] [@++@+++++++++++++] [!+@@!+!@*+++++*++] [+!++!++++++++++++] [++!@!++++++++++++] [+++!+++++++++++++] [+!+++++++++++++++] [+++++++++++++++++] problem 623, white to play

[+!+!@@+++++++++++] [@!++!@+++++++++++] [@!@+!@++*+++++*++] [+@!!!@+++++++++++] [@+@++@+++++++++++] [+++@+++++++++++++] [+++++++++++++++++] problem 624, black to play

[!@+@++@!!++++++++] [+!@@@+@@!++++++++] [+!!!!@!+!+++++*++] [++++++!++++++++++] [+++++!+++++++++++] [+++++++++++++++++] problem 625, white to play

[+!+@+++++++++++++] [!+!+@+@@+++++++++] [!@!!!!!@*+++++*++] [@+@++++@+++++++++] [+@+@+@+++++++++++] [+++++++++++++++++] problem 626, white to play

[!@@+!!@@+!+++++++] [+!@@@@!+!++++++++] [+!!!++!+*!++++*++] [+++++!+++++++++++] [+++++++++++++++++] problem 630, white to play

[+!!@+@!++++++++++] [!@@@+@!++++++++++] [!@!!@@!+*+++++*++] [@!++!!!++++++++++] [!+!++++++++++++++] [+++++++++++++++++] problem 631, black to play

[+@++!@!!+++++++++] [!@+@+@@!+++++++++] [!!!@@@!+*+++++*++] [+++!!!!++++++++++] [+++++++++++++++++]

!@!++!@+++++++++++] [!@@+!@!++++++++++] [!@*@@!++*+++++*++] [!@@++!+++++++++++] [+!!!+++++++++++++] [+++++++++++++++++]

problem 627, white to play

problem 632, black to play

@@!!++!@+@++++++++] [+@!+!+@++++++++++] [+@!++!@+*+++++*++] [+@@!!@@++++++++++] [+++@@++++++++++++] [+++++++++++++++++]

[!++++!@+@++++++++] [!!++!!@++++++++++] @!@@++@++*+++++*++] [@+++@++++++++++++] [+@+++++++++++++++] [+++++++++++++++++]

problem 628, black to play

problem 633, black to play

[++@++++++++++++++] [+!!!@+@++++++++++] [@!*+@+++*+++++*++] [!@+@+++++++++++++] [+@+++++++++++++++] [+++++++++++++++++] [+@+++++++++++++++] [+++++++++++++++++]

[++@!!++++++++++++] [+@+@++!++++++++++] [!!*@+@!+*+++++*++] [++++@+!++++++++++] [+!+@!!+++++++++++] [+++!+++++++++++++] [+++++++++++++++++]

problem 629, black to play

problem 634, black to play

problem 635, black to play

[++!+@!+++++++++++] [+@@@!++++++++++++] [+@!!+!++*+++++*++] [!!+++++++++++++++] [++!++++++++++++++] [+++++++++++++++++]

[+++++++++++++++++] [!++!!@@!+!+++++++] [!@*@@+@!*+++++*++] [!++++++!+++++++++] [+!+!@@!@+++++++++] [+++!++!++++++++++] [++++!++++++++++++] [+++++++++++++++++]

[@!++!+@!@++++++++] [@!!++@@!@++++++++] [@@@!!!!@*+++++*++] [+++!+!+@+++++++++] [++@+!@@++++++++++] [+++@@++++++++++++] [+++++++++++++++++]

problem 636, black to play

problem 641, white to play

[@!++!+++@++++++++] [@!+++@@@+++++++++] [@!*!!@++*+++++*++] [+@!!@@+++++++++++] [+@@@+++++++++++++] [+++++++++++++++++]

!(!!@(!(((((((((((> [!@@@@@!++++++++++] @!@+@!+!++++++++++] [@!@@!+!+*+++++*++] [+!!!!++++++++++++] [+++++++++++++++++] [+++++++++++++++++]

problem 637, black to play

problem 642, black to play

[+!@++@!++++++++++] [+!@++@+!+++++++++] [!+*@@@!+*+++++*++] [+!++!!@+!++++++++] [++!+++!++++++++++] [++++++++!++++++++] [+++++++++++++++++]

[!@@!+@@!!++++++++] [!@++@++@!++++++++] [+!@@+++@!+++++*++] [!+!!@@+@!++++++++] [++++!+!!+++++++++] [+++!+++++++++++++] [+++++++++++++++++]

problem 638, black to play

problem 643, white to play

[+@+!@!+++++++++++] [@+!!!@!!+++++++++] [@@@@@@++*+++++*++] !@!!!!!!++++++++++] [!++++++++++++++++] [+!+++++++++++++++] [+++++++++++++++++]

[!++@!++++++++++++] [@@@@!+!++++++++++] [!+!!!+++*+++++*++] [!++++++++++++++++] [+++++++++++++++++]

!!!@!++@!+@+++++++] @@!@!+!+!@+@++++++] [+@@@@!!!@+++++*++] [@++++@@@@++++++++] [+++++++++++++++++]

problem 639, black to play

problem 640, black to play

problem 644, black to play

[++@!+!+++++++++++] [+!+@!++++++++++++] [@+@@@!++*+++++*++] [!++!!!+++++++++++] [+!+++++++++++++++] [+++++++++++++++++] problem 645, black to play

[+!@!@+!++++++++++] [+!@@@@!++++++++++] [+@!@+@!+*+++++*++] [+!!@++!++++++++++] [+++!!++++++++++++] [+!+++++++++++++++] [+++++++++++++++++] problem 646, black to play

[+@+!+++!!@+@+++++] [+@!++!!@@@+++++++] [+@!!!@@+*+++++*++] [@+@@@++++++++++++] [+++++++++++++++++] problem 647, black to play

[@!!++!+!@++++++++] [+@+!+!+@@++++++++] [@+@!+@++*+++++*++] [+++@@@+@@++++++++] [+++++++++++++++++] problem 648, black to play

[+++!@!@++++++++++] [+++!@!+++++++++++] [!!!@@@@+*+++++*++] [@@@++++++++++++++] [+++++++++++++++++] [@++++++++++++++++] [+++++++++++++++++] problem 649, black to play

[+++++@+++++++++++] [@++@@!@++++++++++] [!@@!!!@+*+++++*++] [!!!!@+@++++++++++] [@!+!@+@++++++++++] [@@!!@++++++++++++] [++@@@++++++++++++] [+++++++++++++++++] problem 650, white to play

[@!+++!!!@++++++++] [@@!!!@@@@++++++++] [++*+@+++*+++++*++] [+@+++++++++++++++] [++@+@++++++++++++] [+++++++++++++++++] problem 651, black to play

[++++!@+++++++++++] [@!!+!@@@+++++++++] [@@@+!!!@*+++++*++] [+++@!+!@+++++++++] [+++@!!@@+++++++++] [++++@@+++++++++++] [+++++++++++++++++] problem 652, black to play

[@++@+++++++++++++] [!!!!@++++++++++++] [!+@@+@++*+++++*++] [@@+++++++++++++++] [+++++++++++++++++] problem 653, white to play

[+++@!+!++++++++++] [+@+@!++++++++++++] @@!@@!+++*+++++*++] @!!!!!++++++++++++] [+++++++++++++++++] [!++++++++++++++++] [+++++++++++++++++] problem 654, white to play

@!((((((((((((((((> @@!!+++!@+@+++++++] [+@!+!!!@+++++++++] [@+@+@@@@*+++++*++] [++@++++++++++++++] [+++++++++++++++++]

[@!+++!!@+++++++++] [@!!!+!@+@++++++++] [+@@@@@+@*+++++*++] [@++++++++++++++++] [+++++++++++++++++]

problem 655, white to play

problem 660, white to play

!!@++@@!!+++++++++] [!!!!@@@!+++++++++] @!+*@++!+*+++++*++] [@@@+@!++!++++++++] [+++++++++++++++++]

[@!++++!++++++++++] [@!@@+!+++++++++++] [@!*+!+++*+++++*++] [@!@@!++++++++++++] [+@!!!++++++++++++] [+@+++++++++++++++] [+++++++++++++++++]

problem 656, white to play

@@((((((((((((((((> [+@!++++++++++++++] @@!!!++@@!++++++++] [!@@@@+@!!+++++*++] [!++++++++++++++++] [+!+++++!+++++++++] [+!+++++++++++++++] [+++++++++++++++++]

problem 661, white to play

[+@@!!!@++++++++++] [++!@@+@++++++++++] [++!!@+++*+++++*++] [+!+++++++++++++++] [+++++++++++++++++]

problem 657, black to play

problem 662, white to play

[@!++++!!@++++++++] [@@!!++!@+++++++++] [++@!++!+@+++++*++] [++@@!+@@+++++++++] [++++@@+++++++++++] [+++++++++++++++++]

[@!!+++@+@++++++++] [@!+!+!@++++++++++] [+@@!+!@+*+++++*++] [+++@!!@++++++++++] [+++@@@+++++++++++] [+++++++++++++++++]

problem 658, black to play

problem 663, black to play

[++@@!!+++++++++++] [++!!@!+++++++++++] [++@@@!++*+++++*++] [+@++!++++++++++++] [+!!++!+++++++++++] [+++++++++++++++++]

[@@!+++!!@++++++++] [@!++!!@@@++++++++] [@!!!@@++*+++++*++] [@@+@+++++++++++++] [++++@++++++++++++] [+++++++++++++++++]

problem 659, white to play

problem 664, black to play

[!+!@++@!+!+++++++] [++!@++@!+++++++++] [++!@@++@!+++++*++] [++!!!@@+!++++++++] [+++++!!!+++++++++] [+++++++++++++++++] problem 665, white to play

[+!+++@+++++++++++] [+!@@+@!!+++++++++] [++*+++@+*+++++*++] [!!@++@+++++++++++] [@+@++++++++++++++] [+@+++++++++++++++] [+++++++++++++++++] problem 666, black to play

[!+@+++!++++++++++] [!@+@+@!++++++++++] [!+!@+@!+*+++++*++] [++!+@@!++++++++++] [+++!!!+++++++++++] [+++++++++++++++++] problem 667, white to play

[!+!@++@!+!+++++++] [++!@++@!+++++++++] [++!@@++@!+++++*++] [++!!!@@@!++++++++] [+++++!!!+++++++++] [+++++++++++++++++] problem 668, white to play

[!+!+@+@!+++++++++] [++!@++@!+++++++++] [+!*++@+!*+++++*++] [+!@@@!!++++++++++] [++!!!++++++++++++] [+++++++++++++++++] problem 669, white to play

[!@@+@+++!++++++++] [!!!@+@@+!++++++++] [++!@+!!!*!++++*++] [++!!!++++++++++++] [+++++++++++++++++] problem 670, white to play

[+@!@!++++++++++++] [+@@!!+!++++++++++] [!+@+++++*+++++*++] !@@+!!++++++++++++] [!!!++++++++++++++] [+++++++++++++++++] problem 671, black to play

[!!@+@++@!+!++++++] [++@++@+@!++++++++] [!+!@++!!!+++++*++] [++!+@!+++++++++++] [+++!!++++++++++++] [+++++++++++++++++] problem 672, white to play

[+!+@+!+++++++++++] [@+@++!+++++++++++] [++*!!+++*+++++*++] [@@+!+++++++++++++] !!!!++++++++++++++] [+++++++++++++++++] problem 673, white to play

[!!@++++@!++++++++] [++@+@@@!!++++++++] [!+!@!!!+*+++++*++] [++!++++++++++++++] [++++!++++++++++++] [+++++++++++++++++] problem 674, white to play

[+!++++@+@++++++++] [+++!!+@++++++++++] [!!@++@++*+++++*++] [@@@+@++++++++++++] [+++++++++++++++++] [@++++++++++++++++] [+++++++++++++++++] problem 675, black to play

[!++!@++++++++++++] [++!!@++++++++++++] !+@@@@+++*+++++*++] @@++++++++++++++++] [+++++++++++++++++] problem 676, black to play

[@!+!+!@@+++++++++] [@++++!!+@++++++++] [+@!+++@+*+++++*++] [+@!!!!@+@++++++++] [+@@@+@@++++++++++] [+++++++++++++++++] problem 677, black to play

[!@+!+@@!+!+++++++] !@@@@@+!!+++++++++] [!!*++!++*+++++*++] [++!!!++++++++++++] [+++++++++++++++++] problem 678, black to play

@@+++@!+!+++++++++] [!+@+@!+++++++++++] [!+@!!!++*+++++*++] [+@@++++++++++++++] [!!!!+++++++++++++] [+++++++++++++++++] problem 679, white to play

[!!@!!+@!+!+++++++] [!@++@@+!+++++++++] [!+@@!!!+*+++++*++] [+!!!+++++++++++++] [+++++++++++++++++] problem 680, white to play

!@@@+++@!+++++++++] [!@!+@+@!+++++++++] [!@@@!!!!*+++++*++] [!!!!+++++++++++++] [+++++++++++++++++] problem 681, white to play

@@!!+++!@@++++++++] [+@!+!!+!+@+++++++] [@+@@@+!@@+++++*++] [+++++@@++++++++++] [+++++++++++++++++] problem 682, black to play

[@!!+++!!@++++++++] [@@!+!!!@@@+++++++] [++*@@@@!*+++++*++] [@@+++++++++++++++] [+++++++++++++++++] problem 683, white to play

[!@@++++@@!!++++++] [+!!@@@@!+!+++++++] [!+*!!!!!*!++++*++] [+++++++++++++++++] problem 684, white to play

!+@@!+!+++++++++++] [++@!+++++++++++++] @@@@!++++*+++++*++] !!!!!+++++++++++++] [+++++++++++++++++] problem 685, white to play

[+@!++!+@+++++++++] [@+@!++!@+++++++++] [++@!++!@*+++++*++] [++@!++!@+++++++++] [++@@+@@@+++++++++] [+++++++++++++++++] problem 686, black to play

[@@!+++!@@++++++++] [++!@+!+++++++++++] [@+!@!!+@@+++++*++] [+@@!!+@++++++++++] [+++@@++++++++++++] [+++++++++++++++++] problem 687, black to play

!!+++!@@++++++++++] @!+!!!!@++++++++++] @!+@@@@++*+++++*++] @@@+++++++++++++++] [+++++++++++++++++] problem 688, black to play

[@@++++@!+++++++++] [!!@++@!+!++++++++] [!@@+@+!+*+++++*++] [!!!!!!+++++++++++] [+++++++++++++++++] problem 689, white to play

[@!!!@++++!!++++++] [!@@@++@@@!+++++++] [!!!@@@+!!!++++*++] [+++!!!!++++++++++] [+++++++++++++++++] problem 690, white to play

[+!++++@@+++++++++] [@!+!+!!@+++++++++] [+@@!!!@@*+++++*++] [@++@@@@++++++++++] [+++++++++++++++++] problem 691, black to play

@!+@+!@+@+++++++++] @!!++!@+++++++++++] [@!*!!@++*+++++*++] [@@@@+@+++++++++++] [+++++++++++++++++] problem 692, black to play

[@!+++++++++++++++] !@!!!+@@+@++++++++] !!@@@@+++*+++++*++] [+++++++++++++++++] [@@+++++++++++++++] [+++++++++++++++++] problem 693, black to play

[!@+@!@+++++++++++] [!@+@!@!+@!!++++++] [!+@+!!@@*!++++*++] [+!++++++!++++++++] [+!+!++!++++++++++] [+++++!+++++++++++] [+++++++++++++++++] problem 694, white to play

[@!++!++@+++++++++] [@!+++!!@+++++++++] [+@!!!@@+*+++++*++] [+@@@@++++++++++++] [+++++++++++++++++] problem 695, white to play

[!@+@+@@!!++++++++] [!@+@@!!++++++++++] [+!!@+!+!*+++++*++] [+++@+++++++++++++] [+!!!!++++++++++++] [+++++++++++++++++] problem 696, white to play

[@@!++@+!@@+++++++] [@!!!!@!!!@+++++++] [+@@@!!!@@+++++*++] [@+++@@@++@+++++++] [+++++++++++++++++] problem 697, black to play

!@+!@@!!++++++++++] !@++++@!++++++++++] [!@@++@!+*+++++*++] [!!@@@!+++++++++++] [++!!!!+++++++++++] [+++++++++++++++++] problem 698, white to play

[@!!!++!@+@+++++++] [@+@!!+!@+++++++++] [++@@+!@@*+++++*++] [+++++!+++++++++++] [++++@@@++++++++++] [+++++++++++++++++] problem 699, black to play

[!+@+++@!+++++++++] [+!@!+@!!+++++++++] [+!@+@@!+*+++++*++] [+!@@@!!++++++++++] [++!!!++++++++++++] [+++++++++++++++++] problem 700, white to play

[!!@!@++++!+++++++] [!@+!@+@@@!+++++++] [++@@!+!@!!++++*++] [+!++!+!!+++++++++] [+!+!+++++++++++++] [+++++++++++++++++] problem 701, white to play

@!+@@++@!@++++++++] [@@!!!+@!@+@++++++] !!!!++!@!*+++++*++] [+++@+@!!+++++++++] [@+@++@+++++++++++] [+++++++!+++++++++] [+++++++++++++++++] problem 702, white to play

[++!+@+!++++++++++] [@@+@++!++++++++++] [++*++!+!*+++++*++] [!!+!!++++++++++++] [+++++++++++++++++] problem 703, white to play

[!++++++++++++++++] [+@!!++@++++++++++] [@@*+++++*+++++*++] [!@!!@+@++++++++++] [+!!++++++++++++++] [+++++++++++++++++] [+!+++++++++++++++] [+++++++++++++++++] problem 704, black to play

[!@@+++++@!+++++++] [+!@++@@+@!+++++++] [+!!@@!!@@!++++*++] [+++!!++!!++++++++] [+++++!+++++++++++] [+++++++++++++++++] problem 705, white to play

[!@+++++++++++++++] [!@++@@+@+++++++++] [!@*!++++*+++++*++] [+!+!+++++++++++++] [!+!++++++++++++++] [+++++++++++++++++] problem 706, white to play

[+@@@@!+!+++++++++] [++!!!+!++++++++++] [@@@!++++*+++++*++] [!!!++++++++++++++] [+++++++++++++++++] [!++++++++++++++++] [+++++++++++++++++] problem 707, white to play

[@++@!+!++++++++++] @+++@!++++++++++++] !@@!+@!!+!+++++*++] !!!@@+@+!+++++++++] [++!+@+!++++++++++] [++!+@!+++++++++++] [+!++!!+++++++++++] [+++++++++++++++++] problem 708, white to play

[@!@!++!@+@+++++++] [+@+!++!@+++++++++] [++@!++!@*+++++*++] [++@!!!@++++++++++] [++@+++@++++++++++] [++++@++++++++++++] [+++++++++++++++++] problem 709, black to play

[@!@++++!@@+++++++] [@!+!++!@+++++++++] [+@!!!!!@*+++++*++] [@+@+++@@+++++++++] [++@+@++++++++++++] [+++++++++++++++++] problem 710, black to play

[+!++++@+!++++++++] [+!+@+++@!++++++++] [+!*@+@@@!+++++*++] [++!!!+++!++++++++] [++++++!!+++++++++] [+++++++++++++++++] problem 711, black to play

[!@+++@+++++++++++] [+!@@@!!!+++++++++] [!+!!++++!+++++*++] [+++++!+++++++++++] [+++++++++++++++++] problem 712, white to play

[@!!!+++!@@+++++++] [+@+@!!+@!+@++++++] [+@*@++!+*@++++*++] [+@+++@@++++++++++] [++++++++@++++++++] [+++++++++++++++++] problem 713, black to play

[++!@+@+++++++++++] [!+!@+++++++++++++] [++@+++++*+++++*++] !!+@++++++++++++++] @@@+++++++++++++++] [+++++++++++++++++] problem 714, black to play

[+++!!+@++++++++++] [!++!@@+++++++++++] [@!*@++++*+++++*++] [+@@!@++++++++++++] [@++++++++++++++++] [+@+++++++++++++++] [+++++++++++++++++] problem 715, black to play

[+!++++@++++++++++] [!@!!!!+@+++++++++] [+@*++@@+@+++++*++] [+@+@+++++++++++++] [@++++++++++++++++] [+++++++++++++++++] problem 716, black to play

[@!++!@!++++++++++] [@!+!!!@@+++++++++] [+@@++@!+@+++++*++] [++++@+@++++++++++] [+++++++++++++++++] [+@+++++++++++++++] [+++++++++++++++++]

[!++@+++++++++++++] [@@@!+!!++++++++++] [!@!!++++*+++++*++] [+!!++++++++++++++] [+++++++++++++++++] [!!+++++++++++++++] [+++++++++++++++++]

problem 717, black to play

problem 722, white to play

@(@(!(((((((((((((> [@@+@!+@++++++++++] [+!!+!++++++++++++] !!!*@+@++*+++++*++] [@+@++@+++++++++++] [@++++++++++++++++] [+++++++++++++++++]

[+@@!+++++++++++++] [@!!++++!+++++++++] [++*!!+++*+++++*++] @@@@@!++++++++++++] !!!!!+!+++++++++++] [+++++++++++++++++]

problem 718, black to play

problem 723, white to play

[++!@!+++!@+++++++] [+++@!+!!+@+++++++] [++@+!@+@@+++++*++] [+++++@+++++++++++] [+++@+++++++++++++] [@@@++++++++++++++] [+++++++++++++++++]

[+@!+@!+++++++++++] [@++@@!+++++++++++] !!@@@!!++*+++++*++] [+!!!+++++++++++++] [!++++!+++++++++++] [+++++++++++++++++]

problem 719, black to play

[+++@!++++++++++++] [++++!+!++++++++++] [@@@@++++*+++++*++] [!+++!++++++++++++] [+!!!+++++++++++++] [++@++++++++++++++] [+++++++++++++++++] problem 720, white to play

[+++++@+++++++++++] [!++!!@+++++++++++] [@!!!@+@+*+++++*++] [@!@+@++++++++++++] [!@+@+++++++++++++] [@@+++++++++++++++] [+++++++++++++++++] problem 721, black to play

problem 724, white to play

[!@+++@+@+@!!+++++] [!@+@@!@@@!+++++++] [!@@@!!!!!+!+++*++] [+!!!+++++++++++++] [+++++++++++++++++] problem 725, white to play

[!@@+++++@@@!@++++] [!!!@@+@@!!!!@++++] [++*!+++!!+!@++*++] [+++!@+@!+@!@+++++] [+++!@+@!!!@+@++++] [++!+!!!@@+@++++++] [+++++@@+@+@++++++] [+++++++++++++++++] problem 726, white to play

[++++@!!!@++@+++++] [@+++@!@!@++++++++] [++*++@@@!+++++*++] [+++++++!!++++++++] [++++++!++++++++++] [+++++++++++++++++] problem 727, white to play

[!!!@!++++++++++++] @@!@@!++++++++++++] [@@*@!+++!+++++*++] [@!+!!++++++++++++] [!!+++++++++++++++] [+++++++++++++++++] problem 728, white to play

[++!@+++++++++++++] [++!!+@@+@++++++++] [!!@+!!++*+++++*++] [@@@++++@+++++++++] [++++@+@++++++++++] [+++++++++++++++++] [+++++++++++++++++] [+@+++++++++++++++] [++*+++++*+++++*++] problem 729, black to play

[@!+++++++++++++++] [@!@!+@!+@++++++++] [+@@!+!!+!@++++*++] [+++@!@+@+++++++++] [++@++@+@+++++++++] [+++@+++++++++++++] [+++++++++++++++++] problem 730, black to play

[+!@++++++++++++++] [!!@++++++++++++++] [@!@+++++*+++++*++] [@!!@@++++++++++++] [+@@!!!+!+++++++++] [+@+++++++++++++++] [+++++++++++++++++] problem 731, white to play

[@+++!++++++++++++] [!@+@!+!++++++++++] [!@*@++++*+++++*++] [!!@@!!+++++++++++] [++!!+++++++++++++] [+!+++++++++++++++] [+++++++++++++++++] problem 732, white to play

!+++@+++@+++++++++] [@@!!!!!@+++++++++] [!!!+++@@*+++++*++] [@@@+@++++++++++++] [+++++++++++++++++] [@++++++++++++++++] [+++++++++++++++++] problem 733, black to play

[+!@@!+!++++++++++] [+++@!++++++++++++] [@@@!!+++*+++++*++] [!+!++++++++++++++] [!++!+++++++++++++] [+++++++++++++++++] problem 734, white to play

[+@@!+@+++++++++++] @@!!!!@+++++++++++] [+!@@@+++*+++++*++] !+!@++++++++++++++] [@@+++++++++++++++] [++@++++++++++++++] [+++++++++++++++++] problem 735, white to play

@@!+++++++++++++++] !@+!!@@+@+++++++++] !!!*@++++*+++++*++] [@@@++++++++++++++] [++++@++++++++++++] [+++++++++++++++++] problem 736, black to play

@+++@!++++++++++++] [+@@!!+!++++++++++] [@!!+++++*+++++*++] [!++++++++++++++++] [+!+++++++++++++++] [+++++++++++++++++] problem 737, white to play