Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: nice position

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



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.