Author: Dieter Buerssner
Date: 14:51:06 02/16/04
Go up one level in this thread
On February 15, 2004 at 08:44:23, Uri Blass wrote:
>8/8/1p2k2p/p3p3/1PP3p1/P2K2P1/7P/8 w - - 0 40
>
>It is interesting that chess programs give Ke4 a big advantage when it leads to
>a draw.
Nothing imopressive, but at least a fail low to 0.0 for Ke4.
Yace, P4, 2.53 GHz:
91949817 1:43.6 1.15 21. 40.Ke4 a4 41.c5 bxc5 42.bxc5 h5 43.c6 Kd6 44.c7
Kxc7 45.Kxe5 Kc6 46.Kd4 Kd6 47.Kc4 Kc6 48.Kb4
Kd5 49.Kxa4 Kc4 50.Ka5 Kd4 51.Kb4 {HT} {80}
101492026 1:53.1 0.75 22-- 40.Ke4 a4 41.c5 bxc5 42.bxc5 h5 43.c6 Kd6 44.c7
Kxc7 45.Kxe5 Kc6 46.Kd4 Kd6 47.Kc4 Ke5 48.Kb4
Ke4 49.Kxa4 Kf3 50.Ka5 Kg2 51.Kb5 Kxh2 52.Ka6
{0}
161019049 2:53.7 0.00 22t 40.Ke4 a4 41.c5 bxc5 42.bxc5 h5 43.c6 Kd6 44.c7
Kxc7 45.Kxe5 Kc6 46.Kd4 Kd6 47.Kc4 Ke5 48.Kb4
Ke4H 49.Kxa4H Kf3H 50.Ka5H Kg2H 51.Kb4H Kxh2H
52.a4H Kxg3H {HT} {-80}
179036247 3:17.1 0.01 22t+ 40.Ke3 Kd6 41.Ke4 axb4 42.axb4 Ke6 43.c5 bxc5
44.bxc5 h5 45.c6 Kd6 46.c7 h4 47.gxh4 g3
48.c8=Q gxh2 49.Kf5 Kd5
212062600 3:58.3 0.39 22t 40.Ke3 Kd6 41.Ke4 axb4 42.axb4 Ke6 43.c5 b5
44.c6 Kd6 45.c7 Kxc7 46.Kxe5 Kc6 47.Ke6 Kc7
48.Kd5 Kb6H 49.Ke4H Kc6H 50.Ke5H Kc7H 51.Kd5H
Kb6H 52.Ke4H Kc6H 53.Ke5H Kc7H 54.Kd5HR {0}
255117519 4:57.1 0.39 22. 40.Ke3 Kd6 41.Ke4 axb4 42.axb4 Ke6 43.c5 b5
44.c6 Kd6 45.c7 Kxc7 46.Kxe5 Kc6 47.Ke6 Kc7
48.Kd5 Kb6 49.Ke4 Kc6 50.Ke5 Kc7 51.Kd5 Kb6
52.Ke4 Kc6 53.Ke5 Kc7 54.Kd5 {0}
297052462 5:57.4 0.79 23++ 40.Ke3 Kd6 41.Ke4 axb4 42.axb4 Ke6 43.c5 bxc5
44.bxc5 h5 45.c6 Kd6 46.c7 h4 47.gxh4 g3
48.c8=Q g2
363018522 7:26.6 1.19 23t 40.Ke3 Kd6 41.Ke4 axb4 42.axb4 Ke6 43.c5 b5
44.c6 Kd6 45.c7 Kxc7 46.Kxe5 Kc6 47.Ke6 Kc7
48.Kd5 Kb6 49.Kd6H h5H 50.Kd5H Kb7H 51.Kc5H
Kc7H 52.Kxb5H {HT} {80}
408890893 8:31.3 1.19 23. 40.Ke3 Kd6 41.Ke4 axb4 42.axb4 Ke6 43.c5 b5
44.c6 Kd6 45.c7 Kxc7 46.Kxe5 Kc6 47.Ke6 Kc7
48.Kd5 Kb6 49.Kd6 h5 50.Kd5 Kb7 51.Kc5 Kc7
52.Kxb5 {HT} {80}
555626825 11:59.3 1.47 24t 40.Ke3 Kd6 41.Ke4 axb4 42.axb4 Ke6 43.c5 b5
44.c6 Kd6 45.c7 Kxc7 46.Kxe5 Kc6 47.Ke6 Kc7
48.Kd5 Kb6 49.Kd6 Kb7 50.Kc5 Kc7 51.Kxb5 Kd6
52.Kc4 h5 {80}
>I am not sure if white can win.
>
>It seems that Ke3 is an interesting move
After Ke3 axb, I get a mate score (with a bit of backwards analysis). I guess,
with some patience, a mate score can be achieved for Ke3.
Regards,
Dieter
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