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Subject: Re: positions only one program can solve

Author: blass uri

Date: 08:50:22 07/11/98

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On July 11, 1998 at 11:45:25, blass uri wrote:

>I am interested in positions only one program can solve
>
>Vincent Diepeveen posted on June 29 the following 2 positions
>r4rk1/pp1n1p1p/1nqP2p1/2b1P1B1/4NQ2/1B3P2/PP2K2P/2R5 w - - bm
>
>the solution is Rxc5 and diep found the move after 6:42
>and found the advamtage for white after 13:14
>he used 60MB hash tables
>and I think he used pentium200MMX
>my programs found only Bf6 with draw.
>
>can another program solve this position in 1 hour?
>
>the second position:
>r1b2rk1/1p1nbppp/pq1p4/3B4/P2NP3/2N1p3/1PP3PP/R2Q1R1K w - - bm Rxf7
>diep found the move after 22 minutes and 43 seconds

should be 22 minutes and 41 seconds

>
>can another program find this move in 1 hour?
>
>(according to Robert hyatt deep thought solved the position after 2 minutes but
>I cannot buy deep thought so it is not important for me)
>
>in Rebel's homepage there is mate in 30   Rebel can find(all the moves of the
>loser are forced).
>
>can another chess program  find the mate?
>
>does someone know about other positions only one program can solve?
>
>Uri



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