Xuanxuan Qijing Problem 133 / Solution



Solution

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Continue

Not much to explain here, this problem is just about recognizing this shape Xuanxuan Qijing Important Shape 1.



Failure

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There isn't other first move really. White have 'a' to secure the eye by exhaustion.

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interesting variation

shevious: The position of black+triangle is subtle. It's not possible to break an eye at B5. It would work if there was black at a .


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