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Hane Tsugi
Difficulty: Advanced
Keywords: EndGame
JanDeWit: Hane Tsugi is the sequence of moves W1, W3 in the diagram. I see this often in the endgame and when reducing EyeSpace.
If there are black stones at 'a', 'b' or 'c', this is gote for White. Otherwise Black has to defend against a white play at 'a'. Black can do this in two ways:
I'm not sure which of the ko threats is the largest, but I would say that it is White's play at 'd', because White can then start creating some eyes to the right (depending on the local situation of course!) See also an endgame tesuji that often occurs in this position. This is a copy of the living page "Hane Tsugi" at Sensei's Library. (C) the Authors, published under the OpenContent License V1.0. |