black to play, cannot take the KO immediately since white just took!
Actual game I played earlier today
missed it in game, just randomly played a move then resigned as black
Real board tsumego problem
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I guarantee you do not have a ko threat anywhere on the board worth 68 points. No matter where you played, white would have captured.
i had the same thought in game, until i reviewed later on
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Oh duh lol
Summary
you fill the square to get the extra liberty, then it’s white who needs to find the impossible ko threat.
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at a glance, there is L10.
im also eyeing the lower left corner ^^. probably starting at C3. (dont ask me to read it all out ^^)
oh and there is S3… its probably smaller than the ko, but black may avoid resignation.
[Ps. i didnt actually check any oft hese thoroughly, theyd be my starting points.]
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Asside from the answers given, S3 is a large move for black to mkae as a ko threat, as it threatens to kill another reletivly huge white group.
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