GokyoShumyoSection4Problem8/Solution

Karl Knechtel:

[Diagram]
White to win the capturing race  

W1 threatens to make life in the corner, while creating approaches to the existing liberties. If Black threatens the connect-and-die at 3, White simply blocks, and B4 is a necessary approach move, allowing White to win the semeai (which then stands at 2 liberties each).

[Diagram]
Variation  

If Black plays at B2 directly here, w should answer at 3. B is captured. w3 has the andvantage in later Kos over anny other way to capture. Should b play atari as a Kothreat and w ignores, the dammage is smaller.

[Diagram]
Failure  

W1 looks like the right way to exploit the shape, by analogy with problem 4, but after B2, it seems that the best White can do is to set up a ko.


GokyoShumyoSection4Problem8/Solution last edited by Klaus on October 30, 2010 - 23:18
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