![]() StartingPoints Referenced by
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Kyu Exercise 9 Solution
Difficulty: Advanced
Keywords: Life & Death
If Black plays first he can kill White by playing
Next Black plays
White has to capture at
In this position we see that White's eye space is four points in a row (the circles). The squared point is not eye space (imagine Black playing at a). But four in a row (bent four) lives, I hear you say. That's true, but only if its borders are completely defined. Here, one side is still open. So ...
Black plays at
White's best attempt is to play at
If Black tries to falsify an eye with Even if White were careless and let Black take all three points while playing tenuki, it would just make seki. (That only costs White six points actually; four in territory after making the eyes, plus two prisoners. But Black can later sacrifice that seki at an eight-point cost, and get two ko threats out of it. Tenuki plus two points net in exchange for two ko threats...any expert opinions on that trade-off?) Arno, SAS, Karl Knechtel This is a copy of the living page "Kyu Exercise 9 Solution" at Sensei's Library. ![]() |