TsumegoFromGames19/Solution

First, white can get a ko. Moves from 1 to 4 are forced. Then the order of moves can be changed, the result is still ko. If at 7 then , , , . If at 8 then , , .

But black can do better. The exchange for in the problem diagram is bad style as it's not necessary. If black starts with this 1 white dies.

This is tricky but is good.

Lucky

Thanks a lot. I found the ko and Black's improvement, but I didn't deduce the bad style move because I didn't think about the last diagram. It is remarkable how a higher dan's answer combines accuracy and conciseness. --Dieter

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TsumegoFromGames19/Solution last edited by hnishy on August 16, 2024 - 00:15

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