Author: James Robertson
Date: 18:33:53 09/08/98
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On September 08, 1998 at 21:23:43, Francois Bertin wrote: > > 6r1/p2Pbk2/P4p2/1B3P2/2K1p1p1/8/8/3R4 b - - > > This position happened in a correspondence game I played recently. >I played Rg5, letting White promote to queen, and then sacrificed my bishop >on it, after which White took with rook. I was hoping that my two passed >pawns on the kingside would give me good chances. That was quite >speculative, to say the least and I had to concede victory to my >opponent about 15 moves later. > > However, when I put this position in Rebel 9, I was surprised to see >that the program liked the move and even gave a small advantage to Black!? > > I run Rebel on a P-90 with only 8 Mg of memory, so I would like to >know if it would stick to the sacrifice and its evaluation when running >on a more powerful system with much more memory for hash tables. And what >would other programs like Fritz, Hiarc and al. play? The Chessmaster Likes g3 with a score of 0.70 after several minutes on my P233. > > Also, since this is an endgame position, what would a program using >tablebases, like Crafty or Ferret, say? Although this is an endgame position, there are no tablebases even close to being able to hold all possible 13-piece endings. It would take terabytes, and then some. > > Thanks for the input, > François Bertin
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