Author: Pat King
Date: 06:51:00 03/16/04
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On March 16, 2004 at 04:41:40, Renze Steenhuisen wrote: > >Hi all! > >I did some measurements on my move-ordering, and it seems that the positive >effect of the History Heuristic wears of with increasing search depth? Is this >observed by others as well or am I doing something awfully wrong here... > > >History Heuristic: > > int table[64][64]; > > every time the 'best move' was found (either fail-high or all moves > searched) "All moves searched" = fail low = move ordering doesn't matter here. I think you ought only store fail-highs in the history table. It will lose its effectiveness more slowly that way. > I do: > table[from][to]+=remaining_depth*remaining_depth > > The non-capture moves are sorted in History Heuristic order. > >Cheers! > >Renze
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