Author: Mike Byrne
Date: 19:39:09 05/03/04
Go up one level in this thread
On May 03, 2004 at 18:09:29, Mike Byrne wrote: >On May 03, 2004 at 07:34:41, Chris Taylor wrote: > >>On May 03, 2004 at 03:41:19, Bernhard Bauer wrote: >> >>>The following position is from BT2630, pos24. >>>Old versions of Crafty solved it fast. >>> >>>[D]R7/3p3p/8/3P2P1/3k4/1p5p/1P1NKP1P/7q w >>> >>>Is this position special? >>> >>>Kind regards >>>bernhard >> >>All ChessBase versions of Crafty. >>Plenty of Hash! >>AMD 3000 Also browsing at the same time. >>Truncated to where the move shows itself >> >>New game >>R7/3p3p/8/3P2P1/3k4/1p5p/1P1NKP1P/7q w - - 0 1 >> >>Analysis by Crafty 14.12: >> >>1.g6 hxg6 2.Ra1 Qg2 3.Rg1 Kxd5 4.Rxg2 hxg2 5.Nf3 Kc4 6.Ng1 d5 7.Kf3 d4 8.Kxg2 d3 >>9.Nf3 >> ± (1.29) Depth: 15 00:04:40 95891kN >> +- (1.64) Depth: 15 00:04:46 301324kN >> >>(Taylor, Notts 03.05.2004) >> >> >>New game >>R7/3p3p/8/3P2P1/3k4/1p5p/1P1NKP1P/7q w - - 0 1 >> >>Analysis by Crafty 15.20: >> >>1.g6 hxg6 2.Ra1 Qg2 3.Rg1 Kxd5 4.Nf3 Ke4 5.Rxg2 hxg2 6.Ng5+ Kf4 7.Nh3+ Kg4 8.Ng1 >>d5 9.f3+ Kf5 10.Nh3 >> ± (1.03) Depth: 10 00:00:12 12498kN >> +- (3.25) Depth: 15 00:01:51 128572kN >> >>(Taylor, Notts 03.05.2004) >> >> >>New game >>R7/3p3p/8/3P2P1/3k4/1p5p/1P1NKP1P/7q w - - 0 1 >> >>Analysis by Crafty 16.15: >> >>1.g6 hxg6 2.Ra1 Qg2 3.Rg1 Kxd5 4.Rxg2 hxg2 5.Nf3 Ke4 6.Ng1 d5 7.f3+ Kd4 8.h4 >> ± (1.05) Depth: 10 00:00:06 6018kN >> ± (1.35) Depth: 14 00:00:33 38393kN >> >>(Taylor, Notts 03.05.2004) >> >>New game >>R7/3p3p/8/3P2P1/3k4/1p5p/1P1NKP1P/7q w - - 0 1 >> >>Analysis by Crafty 18.07: >> >>1.g6 hxg6 2.Ra1 Qg2 3.Rg1 Kxd5 4.Rxg2 hxg2 5.Nf3 Kc4 6.Ne5+ Kd4 7.Nf3+ Ke4 >> ± (0.77) Depth: 10/23 00:00:04 4586kN >> ² (0.66) Depth: 11/27 00:00:05 5074kN >>1.Ra1 Qg2 2.Ra5 Ke5 3.Rb5 Kf4 4.Rxb3 Qxd5 5.Rxh3 Qe6+ 6.Re3 Qa6+ 7.Ke1 Kxg5 >> ² (0.69) Depth: 11/27 00:00:06 7204kN >>1.Ra5 Ke5 2.Nf3+ Kf4 3.Ra4+ Kf5 4.Rb4 Qb1 5.Rxb3 Qe4+ 6.Kd2 Qxd5+ 7.Rd3 Qa2 >>8.Rxd7 Qxb2+ 9.Ke3 Qb3+ 10.Rd3 Qe6+ 11.Kd4 >> ± (0.76) Depth: 11/27 00:00:07 8829kN >> ² (0.52) Depth: 13/29 00:00:16 19795kN >>1.Ra1 Qg2 2.Nf3+ Ke4 3.Ra4+ Kxd5 4.Rd4+ Kc6 5.Rc4+ Kb5 6.Rc3 Kb4 7.Rd3 h6 8.gxh6 >>Qg6 9.Rd4+ Kc5 >> ² (0.63) Depth: 13/29 00:00:23 28646kN >>1.g6 hxg6 2.Ra1 Qg2 3.Rg1 Kxd5 4.Rxg2 hxg2 5.Nf3 Ke4 6.Ng1 d5 7.f3+ Ke5 8.Kd3 >> ± (0.78) Depth: 13/29 00:01:41 127477kN >> ± (1.18) Depth: 14/35 00:01:53 141927kN >> >>(Taylor, Notts 03.05.2004) >> >>New game >>R7/3p3p/8/3P2P1/3k4/1p5p/1P1NKP1P/7q w - - 0 1 >> >>Analysis by Crafty 19.12: >> >>1.g6 hxg6 2.Ra1 Qg2 3.Rg1 Kxd5 4.Rxg2 hxg2 5.Nf3 Kc4 6.Ng1 d5 7.Kf3 Kd3 8.Kxg2 >>Kc2 9.Kf3 Kxb2 >> ² (0.63) Depth: 16/36 00:30:04 2029063kN, tb=22 >> ² (0.64) Depth: 16/36 00:30:33 2066597kN, tb=22 >> >>(Taylor, Notts 03.05.2004) > >I think Ra1 is the move and non chessbase Crafty sees it on machine. I tested >it this morning. I'm at work right now without access to crafty or any other >chess program. it switch to g6! after 75 minutes with 1+ score -- what do other programs say?
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