Author: Steve Maughan
Date: 16:23:55 07/18/05
Go up one level in this thread
Terry & Rob,
>>[D]2qrr1n1/3b1kp1/2pBpn1p/1p2PP2/p2P4/1BP5/P3Q1PP/4RRK1 w - - 0 1
>This is a better test for old dedicated units. I'd repost it for Steve and
>other fans;-)
I'd agree. It's quite a famous position - I've certainly seen it here before.
Engines that handle checks well find the solution quickly. Here's Fruit and
Glaurung's analysis on a Centrino 2 GHz with 256 Mb of Hash:
Engine: Fruit 2.1 (256 MB)
by Fabien Letouzey
5/27 0:00 +0.96 1.exf6 Nxf6 2.Qh5+ Kg8 3.fxe6 axb3
4.Qf7+ Kh7 5.exd7 Rxd7 6.Rxe8 Qxe8
7.Qxe8 Nxe8 (104.463)
5/29 0:00 +M10 1.Qh5+ Nxh5 2.fxe6+ Kg6 3.Bc2+ Kg5
4.Rf5+ Kg6 5.Rf6+ Kg5 6.Rg6+ Kh4
7.Re4+ Nf4 8.Rxf4+ Kh5 9.Rg3 Bxe6
10.Bg6+ (302.045)
2qrr1n1/3b1kp1/2pBpn1p/1p2PP2/p2P4/1BP5/P3Q1PP/4RRK1 w - -
Engine: Glaurung 0.2.4 (256 MB)
by Tord Romstad
6.00 0:00 +2.98 1.Qh5+ Nxh5 2.fxe6+ Kg6 3.Bc2+ Kg5
4.Rf5+ Kg6 5.Rf6+ Kg5 6.Rg6+ Kh4
7.Re4+ Nf4 8.Rxf4+ Kh5 9.Rxg7 Bxe6
10.Bd1+ Bg4 11.Bxg4+ Qxg4 12.Rgxg4 (77.971) 384
7.00 0:00 +M12 1.Qh5+ Nxh5 2.fxe6+ Kg6 3.Bc2+ Kg5
4.Rf5+ Kg6 5.Rf6+ Kg5 6.Rg6+ Kh4
7.Re4+ Nf4 8.Rxf4+ Kh5 9.Rxg7 Bxe6
10.g3 Bg4 11.Bg6+ Kg5 12.Bxe8+ (98.962) 373
8.00 0:00 +M12 1.Qh5+ Nxh5 2.fxe6+ Kg6 3.Bc2+ Kg5
4.Rf5+ Kg6 5.Rf6+ Kg5 6.Rg6+ Kh4
7.Re4+ Nf4 8.Rxf4+ Kh5 9.Rxg7 Bxe6
10.g3 Bg4 11.Bg6+ Kg5 12.Bxe8+ (152.838) 407
9.00 0:00 +M12 1.Qh5+ Nxh5 2.fxe6+ Kg6 3.Bc2+ Kg5
4.Rf5+ Kg6 5.Rf6+ Kg5 6.Rg6+ Kh4
7.Re4+ Nf4 8.Rxf4+ Kh5 9.Rxg7 Bxe6
10.g3 Bg4 11.Bg6+ Kg5 12.Bxe8+ (303.302) 431
10.01 0:01 +M10 1.Qh5+ Nxh5 2.fxe6+ Kg6 3.Bc2+ Kg5
4.Rf5+ Kg6 5.Rf6+ Kg5 6.Rg6+ Kh4
7.Re4+ Nf4 8.Rxf4+ Kh5 9.g3 Rxe6
10.Rh4+ (784.202) 452
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