Sunday Problem #89
Published 13 Feb 2022 by antti
(last edited 24 Feb 2022)
I arranged this problem from one of my teaching games.
Black to play.
Solution
Black doesn’t quite have enough space to live with a normal move such as black 1 here. White simply reduces Black’s eye space with 2 and 4, and there is no way for Black to form her second eye.
The cockroachy moves of black 1 and 3 are the necessary tesuji to form life in this problem. After black 3, White has no choice but to fight a kō in order to kill Black.
Comments (1)
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