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Subject: Re: Can any program solve this position?

Author: blass uri

Date: 12:09:02 10/23/98

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On October 23, 1998 at 14:09:44, Mark Young wrote:

>[FEN "8/k1p5/1q1p4/pPpPp1p1/N1P1Pp1p/P4PbP/K2Q2P1/8 w - - 1 0"]
>
>I found this position posted below, I found a win after the move Nxb6, but no
>computer I have can find it. Is there any way to program a chess program how to
>handle this kind of position and still not hurt the program's overall strength
>in other position?
>
>This line is the fastest way to win this position I can find. But no computer
>will play it, and they fall to the 50 move rule.
>
>1. Nxb6! c7xb6 2. Kb3 Kb8 3. Ka4 Kc7 4.Qxa5!! 1-0

The solution is wrong because black can play 3...Ka7 and do a draw
(4.Qxa5? bxa5 5.Kxa5 Be1+ 6.Ka4 Kb6 7.Kb3 and if someone can win it is only
black)

Uri




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