Go Puzzle Sheet #12.1

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Wasted moves and necessary moves


. . . # O . A . .
. . . # O O # O .
. . . # # O O . .
. . . . # O . . .
. . . # , . O . .
. . # # . O . . .
. # . . . . O . .
. . . . . . . . .
. . . . . . . . .

Would it be good or bad for White to play at A?


. . . . . . . # .
. . . . O . . # .
. . . . . O . # A
. . . O . O . # .
. . # O , . O # #
. . # . . O . O .
. # . # O . O . .
. . . # . . . . .
. . . . . . . . .

Would it be good or bad for Black to play at A?


. . # O . # . O .
. # . O # # A O O
. # . O # # O . .
. . # # O O O . .
. . . . # . . . .
. . . # . O . O .
. . # . # . O . .
. . . # O O . . .
. . . . . . . . .

Would it be good or bad for White to play at A?


. . . . . O . # .
. . . O O # A # #
. . . O . O . . .
. # . O O O . O .
. . . . , . O . O
. . # . . # O . .
. # . # . # O O O
. . # . . # O # .
. . . . . . # # .

Would it be good or bad for Black to play at A?


. A . . . . . . .
# . # O . O O . .
. # . O . . # . .
. . O . . # . . .
. O . O # O # # .
. . . . # . . . .
. . O . . . # . .
. . . O O # . . .
. . . . . . . . .

Would it be good or bad for White to play at A?


. . . . . . O # .
. . . . . # O # #
. . . . . # O # A
. . . . . # O O O
. . # # # . # O .
. O . O # . # O O
. . O . # . # . #
. O . O O # . # .
. . O . O O # . .

Would it be good or bad for White to play at A?

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].