W can't play N12 if B has more than one external-lib since B will live unconditionally, as the attached example shows.
Aja 2013/12/9 Hiroshi Yamashita <[email protected]> > In round 3 CrazyStone vs. Aya, probably Aya was expecting W to play L12 or >> N12, if B's corner was not 100% dead in the playouts. It seems a bug in >> Aya's playouts, but even if there was no bug, Aya could still reasonably >> expect W's L12 or N12 in the tree. Corner bent-four is not easy to handle >> > > Yesterday I turned off bent4 code for test, and forgot. Aya understands > bent4 as seki. And at end of playout, bent4 shape is counted as dead. > It works well, but when outside of bent4 is semeai, it does not work. > Maybe when outside W lib is 5, W has to play N12? > > And thanks for nice look cross-table and report. I was bit surprised > I got runners-up 7 times in a row this year. > > Regards, > Hiroshi Yamashita > > > _______________________________________________ > Computer-go mailing list > [email protected] > http://dvandva.org/cgi-bin/mailman/listinfo/computer-go >
cornerBent4.sgf
Description: application/go-sgf
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