Author: Michael Henderson
Date: 13:45:46 10/16/04
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On October 16, 2004 at 16:13:18, Rick Bischoff wrote: >On October 16, 2004 at 13:34:23, Michael Henderson wrote: > >>Hmmm...your numbers do seem pretty large. I can do 9 plies in < few hundred K >>nodes. Hopefully no bugs in extensions/depth parameters? It seems like there >>are some unwanted extra-depth searches. >> >>Michael > >In this output, I turned off every extension (including check) and disabled >iterative deepening: > 5 55 16 18853 1. Ne5 Rf6 2. Bg5 Qxb3 3. axb3 > 6 157 99 130437 1. Ne5 Qxb3 2. Nxd7+ Kc8 3. axb3 Kxd7 4. Rxa7 > 7 157 328 363396 1. Ne5 Qxb3 2. Nxd7+ Kc8 3. axb3 Kxd7 4. Rxa7 > 8 153 1284 1882658 1. Ne5 Qxb3 2. Nxd7+ Kc8 3. axb3 Kxd7 4. Rxa7 Nd5 > 9 153 6368 6609003 1. Ne5 Qxb3 2. Nxd7+ Kc8 3. axb3 Kxd7 4. Rxa7 Rb6 >5. c4 > 9 154 14384 17170667 1. b6 axb6 2. Ne5 Kc8 3. Nxg6 hxg6 4. f3 Nd5 5. >Bg5 >10 138 40361 55631916 1. b6 axb6 2. Ne5 Kc8 3. Nxg6 hxg6 4. Qxe6 Bxe6 5. >f3 Bd5 > >So you can see something else is happening.. In this output, I disabled qsearch >and just a static eval: > > 5 311 56 11935 1. Ne5 Kc8 2. Nxg6 Qxg6 3. Rxe4 > 6 -38 109 25782 1. Ne5 e3 2. Qxe6 exf2+ 3. Kxf2 Rxe6 > 7 288 329 128748 1. Ne5 Qxb3 2. axb3 Bxb5 3. Nxg6 Nxg6 4. Rxa7 > 8 36 2117 510910 1. Ne5 Qxb3 2. axb3 Bxb5 3. Nxg6 hxg6 4. h3 Rxh3 > 9 284 5035 2409281 1. Ne5 Qxb3 2. axb3 Bxb5 3. Nxg6 Nxg6 4. c4 Bc6 5. >Rxa7 > 9 287 12681 4452561 1. b6 axb6 2. Ne5 Rd8 3. Ba3 Nc6 4. Nxg6 Qxg6 > >I stopped it here, since there wasn't the dramatic improvement. Could my poor >evaluation function account for this type of explosion? Evaluation shouldn't be a problem since your program can see the material gain. What are your move ordering stats? Michael
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