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1001 Problems/Erratum 8
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Page 184, problem 752, solution diagram__

[Diagram]
1

B1 is the vital point. Black B3 and B5 are obvious. Black has two ways to make his second eye..



[Diagram]
2

MikeTerry: Instead of W4, White can extend at B5 in Diagram 1, and Black does not have enough liberties to play at W4, and so must capture the four white stones as follows:

[Diagram]
3

MikeTerry: Now White can play back under the stones to form a 10,000 year ko. The book states none of the "Black to live" solutions involve ko...


/Erratum 8 - Mannenko Discussion



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