Author: Andrew Wagner
Date: 12:02:17 03/16/04
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On March 16, 2004 at 12:26:21, Robert Hyatt wrote: >On March 16, 2004 at 09:20:48, Andrew Wagner wrote: > >>I currently use the following scheme to order my moves: >>1.) Hash move >>2.) Killer moves > >You should (a) not allow captures in the killer list. Captures are _local_ >moves and just because a given capture is good in position X does not mean it is >good in position Y. (b) with that in mind, try captures after the hash move. >Use SEE to sort good captures first and try those (not losing) captures first. > > > > >>3.) Capturing the piece that just moved >>4.) Other captures >>5.) History heuristic >>6.) Moves that land closest to the center >>7.) All other moves >> >>(I think I got that right, that's from memory). >> >>I currently get 85-95% first-move fail highs right now, which I'm pretty happy >>with. However, I've noticed two things: >> >> 1.) Often, if the move ISN'T a fail high, it doesn't fail until 10 or 15 >>moves into the move list. >> >> 2.) I'm searching a LOT of nodes! Most of the time I'm searching more nodes >>than crafty by a factor of at least 10. >> >>Any suggestions? Are you saying: 1.) Hash move 2.) Winning captures 3.) Other captures 4.) Killer moves or 1.) Hash move 2.) Winning captures 3.) Killer moves 4.) Other captures
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