Jacques Basaldúa: <[email protected]>: >Hideki Kato wrote: > > > | . . . . . . . > > | . # # . # . . > > | . O # . # . . > > | O O O . # # . > > | # # O O O # . > > | . # # . . . . > > --------------- > > > Here, the problem is "filling own eye" at 1-1 for B, right? > >Yes, that is the figure I meant, but it is not related with >nakade, only with filling your own eye.
I don't understand. Black can kill white by nakade with filling its eye first. Why not related? > > Self-atari (of a small group) is already allowed by almost all MCTS > > programs, I believe. I don't understand how this relates with seki. > >The size of the group can be one criterion, but there are others. >The relation with seki is: if a group that lives in seki plays the >suicidal self-atari move, it dies and the playouts don't get the >evaluation ok. No matter if you avoid the move in the tree or not, >you must avoid it in the playouts or else the group dies. But that >is tricky, as you cannot simply forbid self atari moves because >some self-atari moves are tesuji. Therefore, there is "black magic" >to decide when and when not to play self atari. The size of the >group is important, but I guess strong programs must have found better >ideas. Agree. AFAIR, Remi implemented seki in Crazy Stone and told me it's a big kludge or similar a few years ago. Hideki -- Hideki Kato <mailto:[email protected]> _______________________________________________ Computer-go mailing list [email protected] http://dvandva.org/cgi-bin/mailman/listinfo/computer-go
