Black to play. Capture the marked white stones within 1 move.
Stones to capture: C8, B7, C7, D7
Black to play.
Problem p174
한국어within 1, 5 legal points
Why this is the move
White has 1 possible answer. Every one of them is listed below with the way Black captures. These are search results, not written commentary.
- Black A7 (captures 4)
Black has 5 legal points here and exactly one of them captures. White answers the others as shown and survives.
- Black A9, White survives even by passing.
- Black B9, White survives even by passing.
- Black D9, White survives even by passing.
- Black A8, White survives even by passing.