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Subject: Re: A hideously hard test position?

Author: Slater Wold

Date: 22:59:45 06/06/01

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On June 06, 2001 at 00:49:21, Robin Smith wrote:

>From a recently completed game in the 24th world correspondence chess
>championship semi-finals:
>
>[D] r1qr2k1/pb2bpp1/1p2pn1p/2p4P/3P1B2/2PB1N2/PP2QPP1/1K1R3R w - -
>
>Here the move 15.Rhg1 is very strong, as it gets the rook off the long diagonal
>and threatens to charge the g-pawn down the board.  But computers don't often
>like to give up material .... in this case the h pawn and after 15.Rhg1! Nxh5
>16.Bxh6! also the bishop.  Can any program find 15.Rhg1?  I believe it may win
>by force, and if not it certainly leaves black in big trouble, but all programs
>I tested don't find it, even over night.  If that is too hard, try the position
>after 15.Rhg1 Nxh5.
>
>Robin Smith


Ok, play 15. Rhg1, and I play cxd4.  What then?


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