Author: Uri Blass
Date: 07:37:12 05/20/04
Go up one level in this thread
On May 20, 2004 at 10:06:36, Will Singleton wrote: >Sometimes Crafty gives me a headache. I was sitting there, minding my own >business, when all of a sudden pow! and Crafty wins another one. Must be >something to this smp business. > >Anyway, on ICC Crafty runs on a 2x 2.8ghz xeon. It found Rxg6 in about a >minute, if you count my thinking time plus its thinking time (assuming it >pondered correctly, which it probably did). If I run the same position on my p4 >2.8ghz, it takes Crafty 4:44 to find the move. I suppose the hash could affect >things, but that's still quite a speedup. > >Here's the position. Finding Rxg6 probably depends in large part on >king-safety, since Amateur likes it fairly quickly (p4 2.8ghz): > >[d]2rq1r1k/1pp1bp2/p5pp/1n1Pp3/2B1N3/4PP2/PPQ2PRP/6RK w - - > >10 -28 283 1103649 Qb3 Nd6 Bd3 Nxe4 >11 -23 452 1839082 Qb3 Nd6 Bd3 Nxe4 fxe4 Rb8 f4 Bc5 Bc2 Qd6 f5 Rg8 fxg6 fxg6 >12 -14 889 3652804 Qb3 Nd6 Bd3 Bh4 >13 -9 1572 6584263 Qb3 Nd6 Bd3 Nxe4 fxe4 Rb8 Qc3 Qd6 Rc1 Rc8 f4 Bf6 Qc5 Qd7 >14 -5 4219 17715012 Qb3 Nd6 Bd3 Ra8 Nxd6 Qxd6 Qc3 Rd8 e4 >14 6 6427 26545535 Rxg6 fxg6 Rxg6 Rf5 Movei can find it at depth 12 and has a significant fail high(clearly more than amateur) 10 -4 6223 12147985 c2b3 d8d7 c4e2 c8a8 a2a4 b5d6 e4c5 d7c8 f3f4 e5f4 b3c3 h8g8 e3f4 11 2 7440 14469997 c2b3 b5d6 c4d3 c8b8 b3c3 d6e4 f3e4 d8d6 g1d1 b8c8 h1g1 11 2 9454 18614491 c2b3 b5d6 c4d3 c8b8 b3c3 d6e4 f3e4 d8d6 g1d1 b8c8 h1g1 12 4 13230 25854307 c2b3 b5d6 c4d3 d6e4 f3e4 c8b8 f2f4 d8d6 g1f1 h8g8 f4f5 e7g5 f5g6 d6g6 12 5 20050 39877602 g2g6 12 34 22062 43841142 g2g6 12 70 27037 53351187 g2g6 f7g6 g1g6 b5d6 e4d6 d8d6 g6d6 c7d6 b2b3 f8f3 c2g6 f3f 6 g6g4 12 70 27636 54535862 g2g6 f7g6 g1g6 b5d6 e4d6 d8d6 g6d6 c7d6 b2b3 f8f3 c2g6 f3f 6 g6g4 13 81 34854 66663703 g2g6 f7g6 g1g6 b5d6 e4d6 d8d6 g6d6 c7d6 b2b3 f8f3 c2g6 f3f 6 g6g4 f6f8 Uri
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