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Subject: Re: nice queen sac

Author: Bas Hamstra

Date: 13:36:40 03/12/04

Go up one level in this thread


On March 11, 2004 at 23:21:17, Jon Dart wrote:

>From a game Chepla-Arasan, on ICC:
>
>[D] 3q1r1k/1P1n2p1/4R2p/2QBp2P/3pPb2/R1p2P2/5P2/5K2 w - -
>
>Qxf8+!
>
>It is decisively winning: the next move, Arasan did not
>predict this, but after the move showed a score of about -24,
>and resigned.
>
>Arasan 7.4 takes 39 seconds to find this move on an Athlon
>XP 2500+.
>
>--Jon

Tao 5.6 sees this one quickly on a XP 1600+ :

 9.01	 0:04 	+0.61 	1.Qc4 Nb8 2.Ra8 Kh7 3.Ke2 Qd7 4.Rg6 Bd2 5.Qc5
10.01	 0:07 	+0.35 	1.Qc4 Nb8 2.Ra8 Kh7 3.Ke2 Qd7 4.Rg6 Bd2 5.Qc5 Qd8  10.02
0:09 	+0.35++ 	1.Qxf8+ (2.825.336) 288.4
10.03	 0:10 	+0.71 	1.Qxf8+ Qxf8 2.Rc6 Kh7 3.Ra8 Nb8 4.Rc8 c2 5.Rxf8
11.01	 0:12 	+1.99 	1.Qxf8+ Qxf8 2.Rc6 Kh7 3.Ra8 Nb8 4.Rxb8 Qxb8 5.Rc8 Qxb7
6.Bxb7 Bd2
12.01	 0:17 	+3.96 	1.Qxf8+ Qxf8 2.Rc6 Bg5 3.Ra8 Be7 4.Be6 Nb8 5.Rxb8 Qxb8
6.Rc8+ Kh7 7.Bf5+ g6 8.hxg6+ Kg7 9.Rxb8
 13.01	 0:22 	+5.34 	1.Qxf8+ Qxf8 2.Rc6 Bg5 3.Ra8 Be7 4.Rxf8+ Bxf8 5.Rc8 Kh7
6.Rxf8 d3 7.Bg8+ Kh8 8.Bc4+ Nxf8 9.Bxd3
 14.01	 0:47 	+9.46 	1.Qxf8+ Qxf8 2.Rc6 Bg5 3.Ra8 Be7 4.Be6 d3 5.Bxd7 Bd8 6.Rxd8
Qxd8 7.Rc8 Qg8 8.Rxg8+ Kxg8 9.b8Q+ Kh7 10.Qxe5

(340K nps)

Bye Jon,

Bas.



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