Gote seki / solution 1

Sub-page of GoteSeki

Unless White is komaster, Black to play can normally make seki with gote.

[Diagram]

Gote seki

[Diagram]

White komaster, ko

If White is komaster, she can make ko and win it, for 5 points of territory, in exchange for a Black play elsewhere.

[Diagram]

White komaster, no ko

Normally Black should make this play early, when a Black play elsewhere would gain more than 2½ points, so that even if White is komaster White cannot afford to make and win the ko.

[Diagram]

Tenuki is wrong

This is no seki, it's bent four in the corner.


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