Author: Dirk Frickenschmidt
Date: 07:14:24 09/09/98
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On September 09, 1998 at 09:03:57, Francois Bertin wrote: Hi Francois, I think Amir asked you for the game score (or at least that from the rest of the game after the critical position). This way Amir and/or other could recheck where you perhaps made the critical blundering move. And be encouraged: you never learn more than from analyzing own games and own faults... Kind regards from Dirk >On September 09, 1998 at 06:15:09, Amir Ban wrote: > >>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. >>> >> >>How was the game lost ? > > I thought too I had at least a draw because of the far advanced >passers, but somehow I badly misplayed after 43...Rg5 and got myself >in a hopeless position with K and B plus a lonely passed pawn on a7, >against K, B and R. I saw no way of doing something with the pawn >and so resigned :-/ > >>> 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? >>> >> >>Rg5 looks like a good move, giving black the advantage. It should be good enough >>to draw, at least. I have: >> >>1... Rg5 2.d8=Q Bxd8 3.Rxd8 g3 and black looks dangerous because white doesn't >>have time to capture on a7. Black can easily opt for a draw by taking the f5 & >>a6 pawns. >> >>Maybe (1... Rg5) 2.Bc6 is safer for white, but after 2... Rxf5 is doesn't look >>good either. >> >>1...g3 doesn't win for black because of 2.Kd4, getting the king nearer with >>tempo because of the threat Bc4+. It looks good enough to draw, though. >> >>Amir
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