Author: Bas Hamstra
Date: 08:25:58 01/29/02
Go up one level in this thread
On January 28, 2002 at 09:20:07, Vincent Diepeveen wrote: >On January 27, 2002 at 09:09:05, Ed Schröder wrote: > >>On January 27, 2002 at 06:20:59, Bas Hamstra wrote: >> >>>[D]r2r1bk1/ppqb1ppp/2p1p3/6P1/2PPN3/PB3Q2/1P3P1P/1K1RR3 w - - Nf6!! >>> >>>Tao solves this in a couple of minutes (I believe 4 minutes to resolve the fail >>>high). But with futility pruning turned on it doesn't. I am curious how it >>>affects Fritz solution time. Fritz and CM see it pretty quick, in about 2 >>>minutes. >> >>55 seconds for Rebel Century 4 (WB), A-1400, 60 Mb hash. >> >>Ed >> >>=========================================== >> >>00:00:00.8 0,84 6 151310 Bc2 Be7 Qh5 g6 Qh6 a5 >>00:00:01.9 0,76 7 288905 Bc2 Be7 Qh5 g6 Qh6 b5 Nf6+ Bxf6 >>00:00:01.0 0,76 8 728845 Bc2 Be7 Qh5 g6 Qh6 b5 Nf6+ Bxf6 >>00:00:03.5 0,67 9 1881667 Bc2 Be7 Qh5 g6 Qh6 Qf4 Re3 Bf8 >>00:00:12.6 0,73 10 7730501 Bc2 Be7 Re3 b5 Qh5 g6 Qh6 Qf4 >>00:00:25.5 0,75 11 17509807 Bc2 Be7 Re3 c5 >>00:00:45.6 0,77 11 31601510 g6 hxg6 Ng5 f6 >>00:00:55.7 0,77 11 38494175 Nf6+ >>00:01:20.2 1,61 11 55729659 Nf6+ gxf6 gxf6 Bh6 Re5 Kh8 Qh3 > >diep also needs 11 ply but because of lower nps it takes of course longer >to get there, bit more than a minute for fail high. research takes another >minute. > >00:05 0 0 436744 (108671) 7 -0.161 h2-h4 Bf8-e7 Ne4-c5 b7-b5 Kb1-a1 Be7-d6 Nc5-a >6 >++ f3-g4 >00:08 0 0 787005 (182417) 7 -0.074 Qf3-g4 Bd7-e8 h2-h4 b7-b6 Bb3-c2 b6-b5 c4-c5 >00:20 0 0 2031839 (863240) 8 -0.036 Qf3-g4 b7-b5 c4xb5 c6xb5 Ne4-f6 Kg8-h8 g5-g6 > Qc7xh2 g6xf7 >++ g5-g6 >00:25 0 0 2617045 (966166) 8 0.574 g5-g6 f7xg6 Ne4-g5 Bd7-c8 c4-c5 Rd8-d5 Bb3xd5 > e6xd5 >00:29 0 0 3072237 (991036) 9 0.578 g5-g6 f7xg6 Ne4-g5 Rd8-e8 c4-c5 Qc7-d8 Qf3-f7 > Kg8-h8 Ng5xe6 Qd8-e7 >00:41 0 0 4389685 (1107408) 10 0.599 g5-g6 f7xg6 Ne4-g5 Rd8-e8 d4-d5 c6xd5 Qf3-f >7 Kg8-h8 Ng5xe6 Qc7-d6 c4xd5 >01:14 0 0 8252472 (1188758) 11 0.751 g5-g6 f7xg6 Ne4-g5 Rd8-e8 d4-d5 c6xd5 c4xd5 > Kg8-h8 Qf3-h3 h7-h6 Ng5xe6 >++ e4-f6 >02:38 0 0 17103480 (2124274) 11 1.599 Ne4-f6 g7xf6 g5xf6 Bf8-h6 Re1-e4 Qc7-a5 Qf >3-h3 Qa5-f5 Qh3xh6 Qf5-g6 Qh6-f4 Kg8-f8 >03:11 0 0 20863077 (2280172) 12 1.599 Ne4-f6 g7xf6 g5xf6 Bf8-h6 Re1-e4 Qc7-a5 Qf >3-h3 Qa5-f5 Qh3xh6 Qf5-g6 Qh6-f4 Kg8-f8 >09:17 0 0 59717146 (4349876) 13 2.986 Ne4-f6 g7xf6 g5xf6 Bf8-h6 Re1-g1 Kg8-h8 Bb >3-c2 Rd8-g8 Rg1xg8 Ra8xg8 Qf3-h5 Rg8-g2 Qh5xh6 Qc7xh2 Qh6-f8 Rg2-g8 > >Note that diep has no mating extensions yet. this version only has singular >extensions and check extensions and a few other stupid extensions that might >not give anything here. > >>>Best regards, >>>Bas.
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