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ForceFeedingProblem
UnderTheStones

 

Under the Stones Example 2
    Keywords: Problem

I love this tesuji so much, that I can't resist the temptation to talk about some variations on the same idea. The only difference is the shape of the four sacrificed stones, which isn't square.

Nando

[Diagram]
Basic example

Black to kill.


[Diagram]
Forcing White to live !

B1 would be a terrible blunder of course, since it would almost force White to live with W2.


[Diagram]
Tesuji !

B1 is the real suji here. White has no choice but to capture the four black stones with W2 to get a chance to make a second eye. But ...


[Diagram]
Game over

... B3 annihilates White's hope and the whole white group dies.



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