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Large Avalanche Turn Outward Problem
Difficulty: Advanced
Keywords: Joseki, Problem, Question
Jonathan Cano: Here is a problem derived from a variation on the Large Avalanche joseki. First I present the problem, then the variation on the joseki that gave rise to the problem.
Jonathan Cano: White made a mistake in the large avalanche joseki
. White reinforces with
Jonathan Cano:I've looked at some variations that begin with Black a
followed by Black b but I don't feel I could play Black
here and be certain of killing one of the
Andre Engels: After
If instead White plays hane at
White might try playing Jonathan Cano: Thanks Andre!
The problem comes from the variation of the
large avalanche in which Black plays
Jonathan Cano: the normal move for White here is
a. In
Dictionary of Basic Joseki
Ishida Yoshio says
Jonathan Cano: Ishida says "
Jonathan Cano: Here is the continuation when White plays at b in the diagram above.
Jonathan Cano: After Black 2 Ishida says Black a and b are miai so White is hopeless.
Checking MasterGo, I found that professionals actually play (4 games out of 4) This is a copy of the living page "Large Avalanche Turn Outward Problem" at Sensei's Library. ![]() |