Author: Sune Larsson
Date: 11:04:30 04/24/02
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On April 24, 2002 at 13:44:03, John Merlino wrote: >On April 24, 2002 at 13:34:21, Sune Larsson wrote: > >> >> [D]8/2b1Bp1k/2p3pP/4P1P1/2P1K3/8/8/8 w - - 0 52 >> >> Every program I've tried so far seems to think that this position >> is won for white. There are evals of more than +3.00. White is a pawn >> up but it's a dead draw. >> >> White's king has three doorways to heaven, a5, c5 and e5. >> But black's bishop is closing everyone of them: >> >> 1) The white king moves to a4 and tries to enter via a5. >> Black keeps the bishop on c7 and shuffles the king. >> >> 2) The white king moves to b4 or d4 and tries to enter via c5. >> Black puts the bishop on b6. >> >> 3) All the time black prevents the possibility 1.e6 fxe6 2.Ke5 >> by keeping the bishop on c7. >> >> 4) If white plays his bishop to f4, threatening 1.e6 black plays >> 1.-Bb6. Then 2.e6 fxe6 3.Ke5 is met by Bc7+ >> >> 5) And black has a million of Kg8-h7 moves while white cannot make >> any progress at all. 1.Bd6 Bd8 is nothing. All c5 moves from white >> are just voluntarily closing one possible path for the king. >> >> Sune > >Well, at least Chessmaster doesn't have a +3 eval! > >Time Depth Score Positions Moves >4:19 17/18 2.67 31453422 52.Bf6 Kg8 53.Kd4 Bb6+ 54.Kd3 Bf2 > 55.Ke4 Bg3 56.Kf3 Be1 57.e6 fxe6 > 58.Kf4 Kh7 59.Ke5 Bf2 60.Kd6 c5 > 61.Kxe6 > >jm Shredder Paderborn is showing +3.04 with some bishop move (ply 22) Fritz 7 is happy +2.59, with 52.c5 closing the position even more (ply 23) Sune
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