Author: Uri Blass
Date: 03:12:18 11/13/02
Go up one level in this thread
On November 12, 2002 at 18:24:04, Uri Blass wrote: >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 Here are results of latest movei on AMD 1000ghz(64Mbytes) The pruning rules cause some changes in the evaluation so it finds the solution faster depth=12 -0.33 a6b5 c1h6 d5f4 h6f4 c8c4 f4h6 f6e8 e5c4 b5c4 e2c4 b7d5 c4c2 f7f5 Nodes: 32003706 NPS: 154487 Time: 00:03:27.16 depth=12 -0.32 g8h8 Nodes: 76991521 NPS: 154682 Time: 00:08:17.74 depth=12 -0.31 g8h8 b5c3 d5c3 g3c3 e7d6 c1f4 g7g5 c3h3 c8c4 h3h6 h8g7 h6f6 c4d4 e5d7 Nodes: 87722694 NPS: 154216 Time: 00:09:28.83 depth=13 -0.21 g8h8 b5c3 d5c3 g3c3 e7d6 c1f4 b6b5 c4b3 c8c3 b2c3 h8g8 a3a4 b7e4 a4a5 d6e5 d4e5 Nodes: 114870698 NPS: 153804 Time: 00:12:26.86 Uri
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