Oops, your so right. The defender has no ko threat in the 2nd bent four. I didnt think that through.
Stefan On Tue, Dec 10, 2013 at 9:46 AM, Petri Pitkanen <[email protected]> wrote: > I am afraid can depend on rule set in use. I guess that under Japanese rules > bent four is dead by definition. > > > > But having two of them does not really change anything as attacker can > choose to fight then after each other. > > Petri > > > 2013/12/10 Stefan Kaitschick <[email protected]> >> >> What happens with 2 bent fours? >> You should be able to save one of them. >> >> On Mon, Dec 9, 2013 at 10:01 PM, Hiroshi Yamashita <[email protected]> >> wrote: >> >> 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 >> _______________________________________________ >> Computer-go mailing list >> [email protected] >> http://dvandva.org/cgi-bin/mailman/listinfo/computer-go > > > > _______________________________________________ > Computer-go mailing list > [email protected] > http://dvandva.org/cgi-bin/mailman/listinfo/computer-go _______________________________________________ Computer-go mailing list [email protected] http://dvandva.org/cgi-bin/mailman/listinfo/computer-go
