Go Puzzle Sheet #9.1

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Living and dead groups (part I)


. . . . . . . . .
. 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 , . . . .
. O . . . . . . .
. . . . . . . . .
. . . . . . . . .
. . . . . . . . .
Black to play and make the black group live.

. . . . # . . # .
. # . # O O O # .
. . . # O . O # .
. . . # O . O # .
. . . # # O # # .
. . . # O O O # .
. . . # O . O # .
. . . # O . O # .
. . . # O O . . .
White to play and make the white group live.

. 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 . . . .
. . . . . . . . .
. . . . . . . . .
White to play and kill the black group.

. # O . . . O # .
. # O . O . O # .
# . # O O O # . #
. . # # . # # . .
. . . . # . . . .
. . . . . # . . .
. . . . . . . . .
. . . . . . . . .
. . . . . . . . .
Black to play and kill the white group.

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



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