Author: Tord Romstad
Date: 14:49:03 05/08/04
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On May 08, 2004 at 12:14:42, Anthony Cozzie wrote: >I will accept that my 4 ply search plays pass moves some of the time :) Zappa >uses pure R=3 now, and perhaps the evaluation isn't quite good enough for it. If you are not sure your evaluation is good enough, you could try to make it aware of its limitations. I also use R=3 most of the time, but make an exception at positions where the evaluation raises a "warning flag". At positions where the side to move has a bad king safety or a trapped piece, or the other side has dangerous passed pawns, I reduce R to 2 or 1. For me this works better than all other schemes I have tried, including pure R=2, pure R=3, verified null move, and adaptive null move depending on remaining depth. Tord ]
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