Author: Vincent Diepeveen
Date: 08:23:22 05/21/02
Go up one level in this thread
On May 20, 2002 at 08:15:26, Uri Blass wrote: Uhm more than 8 ply? How about 2 ply? process 0: engineflags = 0 denktime=10000000 maxtime=10000000 00:00 0 0 8 (0) 1 0.528 Bc5xe3 Nf1xe3 00:00 0 0 26 (0) 1 1.470 Bc5-d6 00:00 0 0 105 (0) 1 2.334 Bc8-g4 00:00 0 0 341 (0) 2 2.244 Bc8-g4 Qf3-f2 00:00 0 0 2096 (0) 3 3.839 Bc8-g4 Qf3-f2 d5-d4 Bd3-c4 Nf6-d5 00:00 0 0 9758 (0) 4 4.323 Bc8-g4 Qf3-f2 d5-d4 Ra1-e1 d4xe3 Nf1xe3 Nf6-e4 Bd3xe4 Re8xe4 00:00 0 0 21175 (0) 5 4.738 Bc8-g4 Qf3-f2 d5-d4 Ra1-e1 Nf6-d5 Be3xd4 Bc5xd4 00:00 0 0 47761 (0) 6 4.738 Bc8-g4 Qf3-f2 d5-d4 Ra1-e1 Nf6-d5 Be3xd4 Bc5xd4 00:01 0 0 75563 (0) 7 4.738 Bc8-g4 Qf3-f2 d5-d4 Ra1-e1 Nf6-d5 Be3xd4 Bc5xd4 00:02 0 0 218842 (0) 8 5.144 Bc8-g4 Qf3-f2 d5-d4 Ra1-e1 Nf6-d5 Bd3-c4 d4xe3 Nf1x e3 Re8xe3 Bc4xd5 c6xd5 Re1xe3 00:06 0 0 538842 (0) 9 5.144 Bc8-g4 Qf3-f2 d5-d4 Ra1-e1 Nf6-d5 Bd3-c4 d4xe3 Nf1x e3 Re8xe3 Bc4xd5 c6xd5 Re1xe3 >On May 20, 2002 at 07:45:25, Matthias Gemuh wrote: > >>> >>>You can try the following position: >>> >>>r1b1r1k1/p1p3pp/2p2n2/2bp4/5P2/3BBQPq/PPPK3P/R4N1R b - - 0 1 >>> >>>My program solved it at the same depth with and without null move pruning but >>>null move helped it to find the move faster. >>> >>>It was not a very big improvement. >>>There were also positions when my program needed more time but the total result >>>is better. >>> >>>Uri >> >> >>Slow HyLogic starts searching ply 8 after 2min 15sec without nullmove on Athlon >>1.4. This time drops to 1min 25sec with nullmove. Best move is in both cases >>"d4". So nullmove seems to help. Thanks. >> >>Matthias. > >Best move is Bg4. > >Maybe Hylogic needs more than 8 plies. > >Movei needed only 8 plies to find Bg4 with and without null move but it is >possible that movei does better extensions than Hylogic in that position. > >Uri
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