On Dec 11, 2007 11:36 AM, Rémi Coulom <[EMAIL PROTECTED]> wrote: > >> Question: how do MC programs perform with a long ladder on the board? > > > Crazy Stone handles ladder with progressive widening. Ladder atari is > usually ranked first or very high in the move list, and ladder extension > lower. So, the tree-search part usually does not read out the ladder > completely, but prunes the extension. It seems to work well in practice. > Because progressive widening will include the ladder extension at some > point, Crazy Stone may still play ladder extensions if it finds reasons > to do so.
I just witnessed CrazyStone defend a fairly long ladder, resulting in a dead 17-stone block. Why not use a ladder reader at the root of the UCT tree to prevent provably bad ladder moves from being considered? _______________________________________________ computer-go mailing list computer-go@computer-go.org http://www.computer-go.org/mailman/listinfo/computer-go/