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
>

Attachment: cornerBent4.sgf
Description: application/go-sgf

_______________________________________________
Computer-go mailing list
[email protected]
http://dvandva.org/cgi-bin/mailman/listinfo/computer-go

Reply via email to