Author: Robert Hyatt
Date: 21:21:39 02/20/03
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On February 20, 2003 at 17:04:52, Filip Tvrzsky wrote: >On February 20, 2003 at 11:26:18, Robert Hyatt wrote: > >> >>One point. After you try a few such moves, you can become pretty well convinced >>that this is an ALL node where move ordering is irrelevant. You ought to turn >>it off >>after N moves have not produced a cutoff. N is something you have to come up >>with >>of course. I do this with the History heuristic and I use N=4 myself, as I have >>already tried >>the hash move, good captures (SEE says gain >= 0) and killer moves. >> > >So is there any sorting of moves necessary at all? If I can understand what you >means, when hash move, killers and good captures etc. don't produce a cutoff, >the task is only to select N=4 of most promising moves from remaining ones? >Filip That is what works for me. Typically if I fail high, I fail high on the first move tried 92% of the time. The remaining moves provide those other 8% moves.
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