If White recaptures the Ko, then Black can play at White's 56, capture the stone, and win by 2 points.
On Thu, May 7, 2020 at 5:02 PM Shawn Ligocki <sligo...@gmail.com> wrote: > Thanks for sharing the games, Rémi! > > On Thu, May 7, 2020 at 6:27 AM Rémi Coulom <remi.cou...@gmail.com> wrote: > >> In this game, Crazy Stone won using a typical Monte Carlo trick: >> http://www.yss-aya.com/cgos/viewer.cgi?9x9/SGF/2020/05/07/997390.sgf >> On move 27, it sacrificed a stone. According to Crazy Stone, the game >> would have been a draw had Aya just re-captured it. But Aya took the bait >> and captured the other stone. Crazy Stone's evaluation became instantly >> winning after this, the sacrificed stone serving as a threat for the >> winning ko fight, 18 moves later. >> > > Wow, I did not imagine how that move would be useful later! But the very > end is confusing to my human brain, couldn't White move 56 retake the ko > and win it? It seems like Black only has one real ko threat left (J4 > maybe). But White also has one huge threat left (D3), so it seems like > White should win this ko and then be about 4 ahead with komi. Am I > missing something? > > -Shawn > _______________________________________________ > Computer-go mailing list > Computer-go@computer-go.org > http://computer-go.org/mailman/listinfo/computer-go >
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