Author: Tord Romstad
Date: 11:36:21 03/11/04
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On March 11, 2004 at 14:31:50, Robert Hyatt wrote: >On March 11, 2004 at 13:05:35, Eugene Nalimov wrote: > >>You can try it only if depth remaining is large enough. This way you will not >>see significant slowdown, but probably will get better move ordering near the >>root. > >I tried that. And it didn't help. The speed loss dropped, but so did the >effectiveness of the idea. Several reported good results in checkers. I've not >seen anyone really "glow" about ETC in chess, however... I'm glowing. :-) It seems to me that ETC is much more effective in an MTD(f) search than in a PVS search. I think most MTDers use ETC. Another important factor might be the speed of the engine. It makes sense that a sub-200 kN/s-engine like mine will benefit more from ETC than a fast engine like yours. Tord
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