Gokyo Shumyo, Section 1, Problem 29 / Solution

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White can make a seki in sente. (In practice, Black's counterplay at a or b may well outweigh the loss of territory points.)

The exchange of and has no effect on the solution.

White plays at the vital point.

is not a vital point when there are no cutting points inside. Two successive hanes and a three-point nakade kill Black.

An immediate nakade with is inferior: Black has a ko now.

The hane creates a bulky five.

Now a and b are miai.

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Gokyo Shumyo, Section 1, Problem 29 / Solution last edited by hnishy on January 18, 2023 - 05:10