Author: Uri Blass
Date: 15:24:04 11/12/02
Go up one level in this thread
On November 12, 2002 at 17:58:45, ALI MIRAFZALI wrote: >On November 12, 2002 at 17:46:12, Uri Blass wrote: > >>On November 12, 2002 at 16:40:49, ALI MIRAFZALI wrote: >> >>>[D]4r1k1/pp3p2/1q1p2P1/6Q1/2p2Pn1/P5R1/1P2b1P1/5R1K b >>>In the above Position 1....Be2xf1 is incorrect.How long does it take your >>>program to avoid making this move? >> >>Movei needs less than a minute. >> >>>[D]1qr2rk1/1b2bpp1/pp2pn1p/1N1nN3/2BP4/P5R1/1P2QPPP/2B2RK1 b >>>In the above diagram 1....a6xb5 is incorrect. Same Question. >> >>here movei can see negative score for axb5 in less than a minute(0.01 pawn for >>white) but it does not find something better than axb5 in a short time. >> >>The score continues to go down to 0.25 pawns for white at depth 12 >>but movei does not find something better at that depth >> >>Here is the score at the end of depth 12 and at the beginning of depth 13. >> >>depth=12 -0.25 a6b5 c1h6 f6e8 c4b5 d5f6 b5e8 f6e8 e5d7 b8d6 d7f8 g8f8 e2d2 e6e5 >>Nodes: 131237325 NPS: 117842 >>Time: 00:18:33.67 >> >>depth=13 -0.31 a6b5 c1h6 d5f4 g3g7 g8h8 e2e3 f6h5 g7f7 b5c4 h6f8 e7f8 e5d7 b8d6 >>d7f8 b7g2 >>Nodes: 188222338 NPS: 119753 >>Time: 00:26:11.75 >> >>This is not the latest movei but only almost the latest movei and the latest >>movei that is in another computer use experimental pruning and it is now working >>on the GCP test suite. >> >>I have some evidence that the experimental pruning is probably productive >>in very fast bullet games and I believe that it is also productive >>in longer time control but I need to do more tests to be sure. >> >>The best version so far in the GCP test suite solved 148 in the GCP test suite >>in 5 minutes per move on 1000Mhz and it used experimental pruning. >> >>I hope that I improved the pruning rules in the last version and I hope to >>continue to improve them in the future. >> >>Uri >Hi >On a computer with an intel pentium 3 processor it takes Genius2 39 minuties >25 seconds to avoid 1...a6xb5. This is the PV at ply 9 1...g8h8 2.b5c3 d5xc3 >3.b2xc3 e7d6 4.c4xa6 b7xa6.No other information about this search available. Movei also discover Kh8 with a different line(P850): depth=13 -0.22 g8h8 c4d5 b7d5 b5c3 b8a7 c3d5 e6d5 g3c3 c8c3 b2c3 a7b7 f2f4 f6e4 c1b2 Nodes: 468045027 NPS: 107398 Time: 01:12:38.01 The latest version is faster and also use more pruning and I may test it later with the latest version. It is simply not in this computer. Uri
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