Author: Robert Hyatt
Date: 21:09:25 03/03/03
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On March 03, 2003 at 20:19:50, Sune Fischer wrote: > >>>Do you save it in hash so next time you know, or what..? >> >>You can certainly do that. I think DT/DB did... I did in Cray Blitz. I don't >>now >>since I generate moves when in check anyway and then use the hash move to pick >>the best of the out-of-check moves, so I already know it is a one-move case or >>not. > >What if you fail low, do you still save the move or do you store 0 as usual? >If you stored a flag indicating one move only, you wouldn't need to do check >evasion the second time round. I don't do that, but it could possibly save time, as you suggest. As far as fail low goes, yes. store a 0 move as there is no best move in such a case. > >In fact if you probe before you incheck, you could even store an incheck flag, >saving you the incheck call entirely. Flags are cheap you know, at one bit only >:) > >-S. Probably worth doing, although in the middlegame the hash hits are not real frequent, but it would certainly be worthwhile...
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