Go Puzzle Sheet #8.1

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Strong and weak


. . . # O . . . .
. O # # O . . . .
. O . # O # . # .
. . O # O # . # .
. . O O # # . . .
. . . . . . . . .
. . . O . # . . .
. . . . . . . . .
. . . . . . . . .

How can White save the weak white group?


. # O . O . # . .
. # O . O O # . .
. . # O O # . # .
. . . # O # . . .
. . . # O # . . .
. . . # # . # . .
. . . . . . . . .
. . . . . . . . .
. . . . . . . . .

How can White save the weak white group?


. . . . . . . . .
. . B # . . . . .
. . O # O . . . .
. # # O O C . . .
. . O A # . . . .
. . O . . . . . .
. . . . . . . . .
. . . . . . . . .
. . . . . . . . .

Where is White weak? Should Black attack with A, B or C?


. . . . . # . . .
. . . . O # . . #
. O . . O O # # .
. . O . . . O . .
. . . . O . O O O
. # . . . . O # #
. . # . . . O # .
. # . . # . O # #
. . . . . . O # .

Which is the weak group Black needs to defend?


. . . . . . . . .
. . . . . . . . .
. . O . . . . . .
. . O # # . . . .
. # # O O . . . .
. . O # . . . . .
. . . . . . . . .
. . . . . . . . .
. . . . . . . . .

Find a move that helps White's weakest stone or stones and attacks Black.


# . O . O # . O .
# . O O O # . O .
. # . O . # . O .
# . # O . # . O .
. . # O O # O . .
. . . # # O . O .
. . # . . . O . .
. . . # . O . . .
. . . . . . . . .

Black to play. Which of the two weak groups will die first?

This page gives some of the problems from Paul Smith's "Cambridge Go Puzzle Book". Some other pages are listed here [5].

It is part of the British Go Association web site [6].