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Subject: Re: hard test position for computer programs

Author: Mark Young

Date: 15:50:11 05/05/99

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On May 05, 1999 at 04:16:28, blass uri wrote:

>r1b2rk1/pp2nppp/2n1p3/q1ppP1B1/3P2QP/P1P5/2P1NPP1/R3KB1R b KQ h3 0 1
>
>
>This position is from a game between Rebel8 and Saitek Sparc(1996)
>
>Saitek Sparc like other programs falled in a trap and played 10...Nxd4
>
>Can your  program avoid 10...Nxd4.
>
>The game 1.e4 e6 2.d4 d5 3.Nc3 Bb4 4.e5 c5 5.a3 Bxc3+ 6.bxc3 Ne7 7.Qg4 0-0 8.Bg5
>Qa5 9.Ne2 Nbc6 10.h4 Nxd4 11.Bxe7 Nxc2+ 12.Kd2 Nxa1 13.Bf6 g6 14.Qf4 Nb3+ 15.Ke3
>Nd4 16.g4 Nc2+ 17.Kf3 Qa6 18.Nd4 Nxd4+ 19.cxd4 Qxa3+ 20.Kg2 h5 21.Qh6 Qf3+
>22.Kxf3 hxg4+ 23.Kxg4 cxd4 24.Qg7#
>
>Uri


Hiarcs7 will play c5xd4 in under 8 hours. I was away at work so I don't know
when it first chose c5xd4 over Nxd4.

Mark



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