Author: John Merlino
Date: 10:44:03 04/24/02
Go up one level in this thread
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 0:00 2/3 2.75 254 52.Bf6 Bb6 53.Bg7 0:00 3/4 2.78 690 52.Bf6 Bb6 53.Bg7 Bc5 0:00 3/4 2.83 1184 52.c5 Ba5 53.Bf6 Bd2 0:00 4/5 2.63 1698 52.c5 Ba5 53.Bf6 Bd2 54.Kd4 0:00 4/5 2.67 2293 52.Bf6 Ba5 53.Kf4 Bd2+ 54.Kg4 Bc3 0:00 4/5 2.74 3156 52.Kd4 Bb6+ 53.c5 Ba5 54.Bf6 Bd2 55.Ke4 0:00 5/6 2.60 4485 52.Kd4 Bb6+ 53.c5 Ba5 54.Bf6 Bb4 55.Bg7 0:00 5/6 2.73 5663 52.Bf6 Ba5 53.c5 Bb4 54.Kd4 Bd2 0:00 6/7 2.68 12438 52.Bf6 Bb6 53.Kf3 Bc5 54.Kf4 Bb6 55.Bg7 0:00 7/8 2.69 24101 52.Bf6 Ba5 53.Ke3 Bb6+ 54.Kf4 Ba5 55.Ke4 Bd2 56.Kd4 0:00 8/9 2.72 52171 52.Bf6 Ba5 53.Ke3 Bb6+ 54.Kf4 Bc5 55.Ke4 Bf8 56.Kf3 Bxh6 57.gxh6 Kxh6 0:01 9/10 2.70 112288 52.Bf6 Ba5 53.Ke3 Bb6+ 54.Kf4 Bc5 55.Ke4 Bf8 56.Ke3 Bb4 57.Kd4 0:02 10/11 2.69 234912 52.Bf6 Ba5 53.Ke3 Bb6+ 54.Kf4 Bc5 55.e6 fxe6 56.Ke5 Be3 57.Kxe6 Bf4 0:06 11/12 2.64 723302 52.Bf6 Kg8 53.Bg7 Ba5 54.Kd3 Bb6 55.Bf6 Ba7 56.Ke4 Kh7 57.Kf3 Bc5 58.Kf4 0:11 12/13 2.69 1356325 52.Bf6 Kg8 53.Bg7 Ba5 54.Kd3 Bb6 55.Bf6 Ba7 56.Ke4 Bg1 57.Kf3 Kh7 58.Kf4 Bc5 0:20 13/14 2.69 2484526 52.Bf6 Kg8 53.Kd4 Bb6+ 54.Kd3 Ba7 55.Ke4 Bg1 56.e6 fxe6 57.Ke5 Kh7 58.Kxe6 Bf2 59.Ke5 0:38 14/15 2.66 4819107 52.Bf6 Kg8 53.Kd4 Bb6+ 54.Kd3 Ba7 55.Ke4 Bb8 56.Kd4 Ba7+ 57.c5 Kh7 58.Bg7 Kg8 59.Kc4 Kh7 60.Bf6 1:13 15/16 2.68 9190857 52.Bf6 Kg8 53.Kd4 Bb6+ 54.Kd3 Bf2 55.Ke4 Bg3 56.Kf3 Be1 57.Kf4 Kh7 58.e6 fxe6 59.Ke5 c5 60.Kxe6 Bd2 1:57 16/17 2.68 14789509 52.Bf6 Kg8 53.Kd4 Bb6+ 54.Kd3 Bf2 55.Ke4 Bg3 56.Kf3 Be1 57.e6 fxe6 58.Kf4 Kh7 59.Ke5 c5 60.Kxe6 Bd2 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
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