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Subject: Re: Crafty 19.12se vs Ruffian 2.0.2

Author: Bryan Hofmann

Date: 11:53:15 04/25/04

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On April 25, 2004 at 14:33:26, James T. Walker wrote:

>Here is an interesting position reached after 19 moves.  Crafty just played
>19.Bxe8.  Ruffian announced mate in 10.  Shredder 8 sees a mate in 150 after
>some time. ?
>
>[D]r3B1k1/p1p2pp1/3b3p/3P4/3Pp2q/7b/PP1BQPPn/RN2R1K1 b - - 0 1

Tao 5.6 see the mate in only 4 seconds on a XP 3000+ system.

 1   00:00 -3.83   Nf3+ gxf3 Rxe8 fxe4
 1   00:00 -1.47   Rxe8 gxh3 Qxh3
 1   00:00 -1.18   Bxg2 Kxg2 Rxe8
 2   00:00 -2.25   Bxg2 Bxf7+ Kxf7 Kxg2
 2+  00:00 -2.25   Rxe8
 2   00:00 -1.47   Rxe8 gxh3 Qxh3
 3   00:00 -1.47   Rxe8 gxh3 Qxh3
 4   00:00 -1.54   Rxe8 gxh3 Qxh3 Kh1
 4+  00:00 -1.54   Nf3+
 4   00:00  1.66   Nf3+ Qxf3 exf3 gxh3 Bh2+ Kh1 Qxf2
 5   00:00  4.00   Nf3+ Qxf3 exf3 gxh3 Qxh3 Bxf7+ Kxf7
 6   00:00  7.00   Nf3+ Qxf3 exf3 gxf3 Qh5 Bd7 Bxd7 f4 Qxd5
 7   00:01  7.95   Nf3+ Qxf3 exf3 gxf3 Bg3 Re4 Bxf2+ Kh1 Qg3 Bxf7+ Kxf7
 8   00:02  9.43   Nf3+ Qxf3 exf3 gxf3 Bg3 Bxf7+ Kxf7 Re2 Bg2 Re7+ Kxe7 fxg3
Qxg3
 9   00:04  M11  Nf3+ Qxf3 exf3 Bxf7+ Kxf7 Re4 Bh2+ Kxh2 Qxf2 Re7+ Kxe7 Kxh3
Qxg2+ Kh4 g5+ Kh5 Kf7 Be1 Qh3+ Bh4 Qxh4+




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