Author: Ed Schröder
Date: 23:46:40 05/27/00
Go up one level in this thread
On May 27, 2000 at 19:47:12, Bruce Moreland wrote: >On May 27, 2000 at 08:47:17, Terje Vagle wrote: > >>Can your program find ..sf5+!! >> > >[D] 8/8/3nk3/8/p5PB/4K3/P7/8 b - - > >Someone has said this is wrong. If it isn't wrong, it is still very hard >because white can get to a7 with his K before black gets to the corner. This >prevents an obvious means of figuring out that this is a draw (assuming it is, >which apparently it isn't. > >However, change it slightly: > >[D] 8/8/3nk2B/8/p5P1/6K1/P7/8 b - - > >That's a draw and my program finds it without tables. With the right knowledge it's an easy one indeed. 00:01 10.00 -1.04 1..Ne4+ 2.Kh4 Kf7 3.Be3 Kg6 4.g5+ Kf7 5.Kh5 Ng3+ 6.Kg4 Ne4 00:02 11.00 -1.03 1..Ne4+ 2.Kf3 Nc3 3.a3 Kf6 4.Bc1 Kg6 5.Bb2 Nd5 6.Ke4 Nc7 00:04 11.14 -0.04 1..Nf5+ 2.gxf5+ Kxf5 3.Be3 Ke4 4.Bf4 Kd4 5.Kg4 Kc4 6.Bg5 Kb5 7.Kf4 Kb6 8.Bd8+ Kb5 9.Bg5 Kb6 10.Bd8+ Kb5 00:04 12.00 -0.04 1..Nf5+ 2.gxf5+ Kxf5 3.Be3 Ke4 4.Bf4 Kd4 5.Kg4 Kc4 6.Bg5 Kb5 7.a3 Kb6 8.Bd8 Kb5 9.Bf6 Kb6 10.Bd4 Kb5 11.Kf4+ Ka5 12.Bc3 Kb5 13.Ke4 00:06 13.00 -0.04 1..Nf5+ 2.gxf5+ Kxf5 3.Be3 Ke4 4.Kf2 Kd5 5.Ke2 a3 6.Kd3 Kc6 7.Bh6 Kb5 8.Bf8 Ka4 9.Ke4 Kb5 10.Kd5 Kb6 00:12 14.00 -0.04 1..Nf5+ 2.gxf5+ Kxf5 3.Be3 Ke4 4.Kf2 Kd5 5.Ke2 a3 6.Kd3 Kc6 7.Bd2 Kb5 8.Ke4 Ka6 9.Bc1 Kb5 10.Bf4 Kb6 11.Bc7 00:25 15.00 -0.04 1..Nf5+ 2.gxf5+ Kxf5 3.Be3 Ke4 4.Kf2 Kd5 5.Ke2 a3 6.Kd3 Kd6 7.Bh6 Kc5 8.Bd2 Kb5 9.Be3 Ka6 10.Kd4 Kb5 11.Bc1 Ka6 12.Bf4 Kb5 13.Ke5 Ed >bruce
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