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Capturing Race Exercise 7 / Solution
Sub-page of CapturingRaceExercise7
This isn't interesting I guess...
If Black captures with Bonus question: How many liberties (approach moves) does White have? If Black plays first, White has one liberty left. If White plays first, she threatens to capture two stones and live, gaining an infinite number of liberties, so Black must reply. Now White has three liberties. As a combinatorial game, White's liberties look like this: { -1 || -3 | -infinity } (As with scores, we use negative numbers for White values.) This is not a number, it is a game. White has a two liberty sente, with a liberty count of -3. Black's reverse sente gains 2 liberties instead of the usual 1. This is a copy of the living page "Capturing Race Exercise 7 / Solution" at Sensei's Library. ![]() |