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Subject: Re: Good Test for Engines

Author: Bryan Hofmann

Date: 14:13:43 08/01/04

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On August 01, 2004 at 16:57:54, Rob Basham wrote:

>[D]3r1rk1/p1q2ppp/3bb3/3pB3/1p6/2P2Q1P/PPB2PP1/3RR1K1 w - -
>
>Ruffian 1.0.1.....finds Bxh7+ in 22 seconds....
>
>P3/850
>
>Even Fritz 5.32 has "trouble" finding this one!

Tao57-4 Beta
 1   00:00 -1.56   Bxh7+ Kxh7 Qh5+ Kg8 cxb4 Bxe5 Rxe5
 1   00:00  0.34   Bxd6 Qxd6
 1   00:00  0.52   Qd3
 1   00:00  0.68   Qh5
 2   00:00  0.47   Qh5 f5
 2+  00:00  0.47   Qd3
 2   00:00  0.69   Qd3 f5 Bxd6 Rxd6 cxb4
 3   00:00  0.57   Qd3 g6 Bf6 Bh2+ Kf1
 4   00:00  0.53   Qd3 g6 Bf6 Rde8
 5   00:00  0.50   Qd3 g6 Bf6 Rde8 Ba4 Bh2+ Kf1
 6   00:00  0.45   Qd3 g6 Bf6 Rb8 Kf1 bxc3 bxc3
 7   00:00  0.41   Qd3 g6 Bxd6 Rxd6 Ba4 bxc3 Qxc3 Qxc3 bxc3
 8   00:01  0.26   Qd3 g6 Bxd6 Rxd6 Qd4 bxc3 bxc3 Rc6 Bb3 Rb8 Bxd5 Bxd5 Qxd5
Rxc3
 9   00:02  0.28   Qd3 g6 Bf6 Rb8 Bb3 bxc3 bxc3 Bh2+ Kf1 Qf4 Be7
 9+  00:04  0.28   Bxh7+
 9   00:04  0.42   Bxh7+ Kxh7 Qh5+ Kg8 Bxg7 Kxg7 Qg5+ Kh7 Rd4 Bg3 fxg3 Qb6 Re5
bxc3 bxc3
10   00:06  0.57   Bxh7+ Kxh7 Qh5+ Kg8 Bxg7 Kxg7 Qg5+ Kh8 Rd4 Bf5 Qxf5 f6 Rh4+
Kg8 cxb4 Bh2+ Kf1
11   00:10  0.55   Bxh7+ Kxh7 Qh5+ Kg8 Bxg7 Kxg7 Qg5+ Kh8 Rd4 Bf5 Qxf5 f6 Rh4+
Kg8 Rh6 Bh2+ Kh1 Qg7 Qe6+ Rf7
12   00:34  2.29   Bxh7+ Kxh7 Qh5+ Kg8 Bxg7 Kxg7 Qg5+ Kh8 Rd4 Bf5 Qxf5 f6 Rh4+
Kg8 Qh5 Bh2+ Kh1 f5 Qg6+ Qg7 Qe6+ Qf7 Kxh2 Qxe6 Rxe6 bxc3 bxc3




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