Go Puzzle Sheet #9.2

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Living and dead groups (part II)


. . . . . O # . .
. . . . . O # . .
. . . . . O # . .
. . . . . O # # #
. . . . , O O O O
. . . . . . . . .
. . . . . . . . .
. . . . . . . . .
. . . . . . . . .
White to play and kill the black group (without starting a ko).

. . . . . O O O O
. . . . . O . # .
. . . . . O # . #
. . . . . O O # #
. . . . , O . # .
. . . . . O # . .
. . . . . O . # .
. . . . O . O # #
. . . . . . . O .
White to play and kill the black group.

. . . . . . O O .
. . . . . O # # #
. . . . . O # . #
. . . . . O # O O
. . . . , O # . O
. . . . . O # # .
. . . . O . O # #
. . . . . . O O .
. . . . . . . . .
White to play and kill the black group.

. . . . . . . . .
. . . O O O O O .
. . O . # O # # .
. . O # . # . . #
. . O # , # . . #
. . O O # # # # .
. . . . O O O O .
. . . . . . . . .
. . . . . . . . .
White to play and kill the black group.

. . . . . . . . .
. . . . . . . . .
. . . . . . . . .
. . . . . . . . .
. . . . , . . . .
. . . . . . . O .
O O O O O O O . .
# # # # # # # O .
# . O O O . # O .
Is the black group alive, dead or what?

. . . . . . . . .
. . . . . . . . .
. . . . . . . . .
. . . . . . . . .
. . . . , . . . .
. . . . . . O . .
O O O O O O . . .
# # # # # # O . .
# . O O . # O . .
Is the black group alive, dead or what?

This page gives some of the problems from Paul Smith's Cambridge Go Puzzle Book.



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