Xuanxuan Qijing Problem 148 / Attempts

kb: Here goes.

[Diagram]

White's destruction



unkx80: Not so simple, W6...

Bill: You should live so long. ;-)

MrTenuki: As Bill's hint suggests, the correct refutation for white is eternal life.

[Diagram]

White doesn't die


Since W6 puts the four black stones in atari, black has no choice but to play B7 at a, which also happens to put B5 into atari. W8 is played at W4 to capture B5 and B7, and...


Black has to destroy the second eye with B9. White, in turn, sacrifices two stones again, and the cycle continues...


tderz: I was too slow, resp. doing other business in between writing ...

[Diagram]

White's destruction

tderz kb, unkx80 means this here,
leading to 长生 (cháng shēng) this is a special type of problems!

How does it proceed?
Can it be killed?


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