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Subject: Re: Mate in about 12......good test

Author: Johan Havegheer

Date: 09:21:22 05/07/04

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On May 06, 2004 at 14:36:44, Rob Basham wrote:

>[D]1rr3k1/2q1ppb1/p2pbnp1/6Q1/1p1BP1P1/P1N2P2/1PP4R/2K2B1R w - - 0 1
>
>White plays....1.Qh6...!
>
>Ruffian 1.0.1 finds it at 11 ply....in 2 minutes, 17 seconds......P3/850.

On AMDXP2800+ :

Analysis by The King 3.23S:  2seconds
±  (1.40) 1.Dh4 Ph5 2.Lxg7 Kxg7 3.gxh5 bxc3 4.hxg6 fxg6   00:00:00
±  (0.94) 1.Dh4 Ph5 2.Lxg7 Kxg7 3.axb4   00:00:00
²  (0.51) 1.Dh4 Ph5 2.Lxg7 bxa3 3.gxh5 axb2+ 4.Kb1 Kxg7 5.Lxa6 Dxc3 6.Lxc8 Txc8
7.hxg6 fxg6   00:00:00
²  (0.67) 1.axb4 Txb4 2.Lxf6 exf6 3.Dh4 f5 4.Lxa6 Tcb8   00:00:00
²  (0.67) 1.axb4 Txb4 2.Lxf6 exf6 3.Dh4 f5 4.Lxa6 Tcb8   00:00:00
²  (0.48) 1.axb4 Txb4 2.Lxf6 exf6 3.Dh4 f5 4.Lxa6 Tcb8 5.g5 Kf8   00:00:01
+-  (2.69) 1.Dh6 Lxh6+ 2.Txh6 g5 3.Ld3 Lf5 4.Pd5 Db7 5.gxf5 e5 6.Pxf6+ Kf8
00:00:02
+-  (7.93) 1.Dh6 Lxh6+ 2.Txh6 g5 3.Ld3 Lf5 4.exf5 e5 5.fxe6 fxe6 6.Tg6+ Dg7
7.Lxf6 Dxg6 8.Lxg6   00:00:04
+-  (10.33) 1.Dh6 Lxh6+ 2.Txh6 g5 3.Ld3 Lf5 4.Lxf6 exf6 5.gxf5 Kf8 6.Pd5 Dxc2+
7.Lxc2 Ke8 8.Th8+ Kd7 9.Txc8 Kxc8 10.Th8+ Kb7 11.Txb8+ Kxb8 12.Pxb4   00:00:08
+-  (10.42) 1.Dh6 Lxh6+ 2.Txh6 g5 3.Ld3 Dc6 4.Th8+ Kg7 5.T1h7+ Kg6 6.e5+ Pe4
7.Pxe4 Dxc2+ 8.Lxc2 Txc2+ 9.Kxc2 Txh8 10.Txh8 dxe5 11.Lxe5 f6 12.Pc5 Ld5
00:00:19
+-  (10.39) 1.Dh6 Lxh6+ 2.Txh6 g5 3.Ld3 Dc6 4.Th8+ Kg7 5.T1h7+ Kg6 6.e5+ Pe4
7.Pxe4 Dxc2+ 8.Lxc2 Txc2+ 9.Kxc2 Txh8 10.Txh8 bxa3 11.bxa3 dxe5 12.Lxe5 f6
13.Pc5 Ld5   00:00:40

Analysis by Ruffian 2.1.0: 21seconds

+-  (1.45) 1.Lxa6 bxc3 2.Lxc8 Txc8 3.Lxc3   00:00:00
+-  (1.49) 1.Lxf6 Lxf6   00:00:00
-+  (-2.82) 1.Lxf6 Lxf6 2.Dh6   00:00:00
+-  (1.45) 1.Lxa6 bxc3 2.Lxc8 Txc8 3.Lxc3   00:00:00
+-  (1.45) 1.Lxa6 bxc3 2.Lxc8 Txc8 3.Lxc3   00:00:00
µ  (-0.75) 1.Lxa6 bxc3 2.Lxc3 Dc5 3.e5   00:00:00
=  (-0.02) 1.axb4 Txb4 2.Lxa6 Txd4 3.Lxc8 Dxc8   00:00:00
²  (0.46) 1.Pd5 Lxd5 2.exd5 bxa3 3.bxa3   00:00:00
²  (0.58) 1.Dh4 g5 2.Dxg5 bxc3   00:00:00
+-  (2.85) 1.Dh4 Ph5 2.Lxg7 Kxg7 3.axb4 Pf4 4.Lxa6   00:00:00
+-  (1.43) 1.Dh4 Ph5 2.Lxg7 bxa3 3.Ld4 Txb2 4.gxh5   00:00:00
+-  (1.52) 1.Dh4 Ph5 2.Lxg7 bxa3 3.Ld4 axb2+ 4.Kb1 Tb4   00:00:00
+-  (1.72) 1.Dh4 Ph5 2.Lxg7 bxa3 3.Ld4 Tb4 4.Df2 Txb2 5.gxh5   00:00:00
±  (1.37) 1.Dh4   00:00:01
±  (0.82) 1.Dh4 Ph5 2.Lxg7 bxa3 3.bxa3 Kxg7 4.Pd1 La2 5.gxh5 Tb1+ 6.Kd2 Dxc2+
00:00:01
±  (1.10) 1.Dh4 Ph5 2.Lxg7 bxa3 3.bxa3 Kxg7 4.Pd1 La2 5.gxh5 Tb1+ 6.Kd2 Dxc2+
7.Ke3   00:00:06
±  (0.94) 1.Dh4 Ph5 2.Lxg7 bxa3 3.bxa3 Kxg7 4.Pd5 Db7 5.Pb4 Db6 6.gxh5 De3+
7.Kd1 Dxf3+   00:00:11
+-  (1.45) 1.Dh6   00:00:21
+-  (2.19) 1.Dh6 Lxh6+ 2.Txh6 g5 3.Ld3 Lf5 4.Lxf6 exf6 5.gxf5 Kg7 6.Th7+ Kf8
7.Th8+ Ke7 8.Pd5+ Kd7 9.Pxc7 Txh8   00:00:21
+-  (2.54) 1.Dh6   00:00:23
+-  (5.30) 1.Dh6 Lxh6+ 2.Txh6 g5 3.Ld3 Db7 4.Th8+ Kg7 5.T1h7+ Kg6 6.e5+ Pe4
7.Th6+ Kg7 8.T8h7+ Kf8 9.Lxe4 Lf5 10.Lxb7 Lxh7 11.Lxc8 Txc8 12.axb4 dxe5
00:00:27
+-  (5.65) 1.Dh6   00:00:35

(Havegheer, Diksmuide 07.05.2004)





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