Author: Ed Schröder
Date: 11:09:43 05/05/03
Go up one level in this thread
On May 05, 2003 at 09:40:48, Enrique Irazoqui wrote: >This is a study that Grigoriev published in 1931 as "white to move and win". I >think it is a mate in 28, but I'm not sure. I find the first move and the >maneuvre beautiful. > >[d]8/1p3p2/1p2p3/7p/2P1P3/k6P/6P1/4K3 w - - 0 1 > >Grigoriev,N - Study >Mate in 28?, 1931 >[El País, 3-5-2003] > >1.e5 Kb4 2.h4 Kxc4 3.g4 Kd4 4.gxh5 Kxe5 5.h6 Kf6 6.h5 b5 7.Kd2 b4 8.Kc2 e5 9.Kb3 >e4 10.Kxb4 e3 11.Kc3 b5 12.Kd3 b4 13.Kxe3 b3 14.Kd3 Kg5 15.h7 b2 16.Kc2 b1Q+ >17.Kxb1 Kxh5 18.h8Q+ Kg5 19.Qg7+ Kf5 20.Qxf7+ Ke4 21.Qe6+ Kf3 22.Qf5+ Ke3 23.Kc2 >Kd4 24.Qe6 Kc5 25.Kc3 Kb5 26.Qd6 Ka5 27.Kc4 Ka4 28.Qb4# 1-0 > >Enrique Rebel 12 (beta-1) is able to make it to a positive score. Ed ======= 00:00:03.3 -1,82 16 1991025 Kd2 Kb4 h4 f5 exf5 exf5 Kd3 b5 00:00:06.1 -2,66 17 4063220 Kd2 Kb4 h4 f5 exf5 exf5 Kd3 b5 00:00:07.6 -2,03 17 5153653 e5 Kb4 h4 Kxc4 g4 Kd4 gxh5 Kxe5 00:00:17.9 -1,28 18 12698664 e5 Kb4 h4 Kxc4 g4 Kd5 gxh5 Kxe5 00:00:46.1 -0,75 19 33112085 e5 Kb4 h4 Kxc4 g4 Kd4 gxh5 Kxe5 00:00:50.1 -1,11 20 35956395 e5 Kb4 h4 Kxc4 g4 Kd5 gxh5 Kxe5 00:04:07.9 0,26 21 176105368 e5 Kb4 h4 Kxc4 g4 Kd5 gxh5 Kxe5 00:04:41.5 0,26 22 197864264 e5 Kb4 h4 Kxc4 g4 Kd5 gxh5 Kxe5 00:21:03.0 1,68 23 905058654 e5 Kb4 h4 Kxc4 g4 Kd5 gxh5 Kxe5 00:22:31.9 1,68 24 968645071 e5 Kb4 h4 Kxc4 g4 Kd5 gxh5 Kxe5 Athlon 1200, 512 Mb
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