Author: KarinsDad
Date: 11:56:19 01/18/99
Go up one level in this thread
On January 17, 1999 at 18:37:40, Vincent Diepeveen wrote: >On January 16, 1999 at 22:23:17, Carsten Kossendey wrote: [snip] >> >>>I don't doubt we all generate that quickly. Actually in DIEP i generate >>>15 million move generations a second after 1.e4,e5 2.d4,d5 at a PII-450 >> >>Nice number, but what are you talking about? 15 million calls to your move >>generator(s), 15 million legal moves, or 15 million pseudo-legal moves? >>And are we talking about captures, quiet moves, or both? What does "generating >>a move" mean to you? Just say this piece attacks that square or store all the >>nasty info like what piece is captured and how this will affect the board state >>(e.g. castling rights, ep square, attack tables ...) Vincent, you still haven't answered Carsten's questions. >> >>Also just generating moves for the very same position over and over again is >>kind >>of silly. You could as well have your move generator check whether the current >>position is the same you last generated moves for, and just return a pointer to >>the previous result in that case. That will yield much more than 15 million >><whatever> ... >> >>So why not take a position and calculate the tree size to some depth (a la >>Crafty's "perft")? Ditto this question. I, for one, am interested in the answers. Thanks, KarinsDad
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