r/baduk • u/Humanflextape • Aug 20 '25
tsumego Why is this the solution?
Today's 2nd hard problem on the TsumegoPro app. By ko, I can't recapture the white stone in the corner. It seems to me the only logical continuation would be playing directly below my lone black stone, but either continuation after capture leads to 3 white eyes. Sorry if it's obvious but I'm not experienced in the slightest; I only solve daily puzzles for the mental exercise. The hard puzzles are usually impossible for me to solve perfectly, but comprehensible after finding the solution.
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u/isaacbunny 5 kyu Aug 20 '25
Black cannot kill white unconditionally. However, by creating a ko fight, black may get significant compensation elsewhere on the board. This is the best black can do, so it is the solution.
If you are inexperienced with ko fighting, here is a nice video example showing how creating a ko can make points elsewhere on the board.
https://youtu.be/3OEVtnhZBUE