Author: Ignacio Santos Crespo
Date: 03:36:39 12/20/04
Go up one level in this thread
On December 20, 2004 at 05:28:59, Dennis Breuker wrote: >On December 20, 2004 at 04:57:53, Peter McKenzie wrote: > >>On December 20, 2004 at 04:53:42, Peter McKenzie wrote: >> >>[D] 8/p7/7p/4k1p/6PP/P3K3/8/8 w - - 0 1 >> >>White to play and draw. >> >>I saw this one in Informator 45 (1988). >>1.a4 gxh4 2.a5! is the drawing line given. >> >>Warp doesn't get it but maybe other programs do. Tablebases could be a big help >>here. > >Another try at the diagram >(changing 4k1p to 4k1p1): > >[D] 8/p7/7p/4k1p1/6PP/P3K3/8/8 w - - 0 1 > >Hope this one is intended... > >Dennis Analysis by Crafty 19.17: 1.h5 = (-0.08) Profundidad: 1/3 00:00:00 1.h5 Rd5 = (-0.08) Profundidad: 2/3 00:00:00 1.h5 Rd5 2.Rf3 = (-0.08) Profundidad: 3/4 00:00:00 1.h5 Rd5 2.Rd3 Rc5 = (-0.08) Profundidad: 4/5 00:00:00 1.h5 Rd5 2.Rd3 a5 3.a4 = (-0.08) Profundidad: 5/6 00:00:00 1.h5 Rd5 2.Rd3 a5 3.a4 Rc5 = (-0.08) Profundidad: 6/7 00:00:00 1kN 1.h5 a6 2.a4 a5 3.Rf3 Rd4 4.Rg3 = (-0.18) Profundidad: 7/8 00:00:00 4kN 1.h5 a6 2.a4 a5 3.Rf3 Rd4 4.Rg3 Rd3 = (-0.18) Profundidad: 8/10 00:00:00 7kN, tb=18 1.h5 a6 2.a4 a5 3.Rf3 Rd4 4.Rg2 Rd3 5.Rg3 = (-0.18) Profundidad: 9/12 00:00:00 13kN, tb=19 1.h5 a6 2.a4 a5 3.Rf3 Rd4 4.Rg2 Rd3 5.Rg3 Rd4 = (-0.18) Profundidad: 10/12 00:00:00 22kN, tb=25 1.h5 a6 2.a4 a5 3.Rf3 Rd4 4.Rg2 Rc4 5.Rf3 Rb3 6.Re4 Rxa4 µ (-1.38) Profundidad: 11/14 00:00:00 41kN, tb=59 1.hxg5 hxg5 2.Rf3 Rd4 3.Rg2 Re4 4.Rg3 a5 5.a4 ³ (-0.30) Profundidad: 11/14 00:00:00 83kN, tb=143 1.hxg5 hxg5 2.Rf3 Rd4 3.Rg2 a5 4.a4 Rc4 5.Rf3 Rb3 6.Re4 Rxa4 7.Re5 µ (-1.34) Profundidad: 12/14 00:00:00 109kN, tb=208 1.hxg5 hxg5 2.Rf3 Rd4 3.Rg2 a5 4.Rf3 a4 5.Rg2 Rc4 6.Rf3 Rb3 7.Re4 Rxa3 µ (-1.38) Profundidad: 13/16 00:00:00 151kN, tb=420 1.h5 a6 2.a4 a5 3.Rf3 Rd4 4.Rg2 Rc4 5.Rf3 Rb3 6.Re4 Rxa4 7.Re5 µ (-1.28) Profundidad: 13/16 00:00:00 244kN, tb=643 1.h5 a6 2.a4 a5 3.Rf3 Rd4 4.Rf2 Rc4 5.Re3 Rb3 6.Rd3 Rxa4 7.Rc4 Ra3 -+ (-1.54) Profundidad: 14/19 00:00:00 280kN, tb=707 1.h5 a6 2.a4 a5 3.Rf3 Rd4 4.Rf2 Re4 5.Re2 Rf4 6.Rd3 Rxg4 7.Rc4 Rxh5 8.Rd5 -+ (-2.60) Profundidad: 15/20 00:00:01 396kN, tb=1143 1.a4 gxh4 2.a5 Re6 3.Rf2 Rf6 4.a6 Rg5 5.Rf3 -+ (-1.90) Profundidad: 15/20 00:00:01 691kN, tb=2057 1.a4 gxh4 2.a5 Re6 3.Rf2 Rf6 4.a6 Re5 5.Rf3 Rd5 6.Rg2 Rc5 7.Rh3 Rb5 8.Rxh4 Rxa6 -+ (-1.66) Profundidad: 16/21 00:00:01 841kN, tb=2827 1.a4 gxh4 2.a5 Re6 3.Rf2 Rf6 4.a6 Re5 5.Rf3 Rd5 6.Rg2 Rc5 7.Rh3 Rb5 8.Rxh4 Rxa6 µ (-1.26) Profundidad: 17/23 00:00:02 1048kN, tb=3255 1.a4 gxh4 2.a5 Re6 3.Rf2 Rf6 4.a6 Re5 5.Rf3 Rd5 6.Rg2 Rc5 7.Rh3 Rb5 8.Rxh4 Rxa6 ³ (-0.26) Profundidad: 17/23 00:00:02 1164kN, tb=3325 1.a4 gxh4 2.a5 Rd5 3.Rf3 h3 4.Rg3 h2 5.Rxh2 Rc5 6.Rh3 Rb4 7.Rh4 Rxa5 = (-0.01) Profundidad: 17/23 00:00:02 1367kN, tb=3717 1.a4 gxh4 2.a5 Rd5 3.Rf3 h3 4.Rg3 h2 5.Rxh2 Rc5 6.Rh3 Rb4 7.Rh4 Rxa5 = (-0.01) Profundidad: 18/27 00:00:03 1601kN, tb=4623 1.a4 gxh4 2.a5 Rd5 3.Rf3 h3 4.Rg3 h2 5.Rxh2 Rc5 6.Rh3 Rb4 7.Rh4 Rxa5 = (-0.01) Profundidad: 19/29 00:00:03 1963kN, tb=5029 1.a4 gxh4 2.a5 Rd5 3.Rf3 h3 4.Rg3 h2 5.Rxh2 Rc5 6.Rh3 Rb4 7.Rh4 Rxa5 = (-0.01) Profundidad: 20/32 00:00:05 2481kN, tb=5847 1.a4 gxh4 2.a5 Rd5 3.Rf3 h3 4.Rg3 h2 5.Rxh2 Rc5 6.Rh3 Rb4 7.Rh4 Rxa5 = (-0.01) Profundidad: 21/34 00:00:06 3965kN, tb=6432 1.a4 gxh4 2.a5 Rd5 3.Rf3 h3 4.Rg3 h2 5.Rxh2 Rc5 6.Rh3 Rb4 7.Rh4 Rxa5 = (-0.01) Profundidad: 22/38 00:00:10 7285kN, tb=7529 1.a4 gxh4 2.a5 Rd5 3.Rf3 h3 4.Rg3 h2 5.Rxh2 Rc5 6.Rh3 Rb4 7.Rh4 Rxa5 = (-0.01) Profundidad: 23/41 00:00:16 14375kN, tb=8865 AMD64 3200+ 5-men tablebases Ignacio
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