Author: Robert Hyatt
Date: 20:22:18 12/10/98
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On December 10, 1998 at 17:11:03, blass uri wrote: > >On December 10, 1998 at 16:34:20, Georg Langrath wrote: > >>In the begining chesscomputers never made real sacrifices for position. Super >>Constellation was the first chesscomputer that was able to do that. >> >>Dear members of CCC. Have you nice examples of genuine sacrifices from your >>chesscomputers? They are nice to look at, and it is interesting to examine if >>other programs make the sacrifice. Of course all sacrifices are not healthy, but >>they are always nice to look at, especially from chesscomputers. >> >>Please answer this notice with sacrifices from your computers. I think we all >>like to examine them. >> >>Georg >8/4kp2/r3p1p1/2p4p/2Nb1P2/1PpP1KP1/1rP1R2P/4R3 b - - 0 1 > >This position is from mclane's tournament > >Fritz5(16 bit) played against Genius5 >Raa2(an impressive positional sacrifice) and Genius5 played Nxb2 and I think it >is the losing mistake. >Fritz5 can find Rc1 and I think that it is enough for doing a draw. > >Uri This really isn't a positional sacrifice at all. IE if you let crafty search this position it likes Rba2 to move the rook away, after 30 seconds and 13 plies eval is +.04... if you force it to search only Raa2, after the same depth the score is +.02... and from 2 plies on it doesn't think Nxb2 is the best move... So this is "just a move" and not anything spectacular, IMHO...
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