Author: Timothy J. Frohlick
Date: 22:23:16 12/04/02
Go up one level in this thread
Edward, Junior,ChessTiger 14 and ChessGenius 7 could not find the solution to the second position in under 5 minutes on my AMD 1400 with 512 MB RAM. These programs must process knight moves in the same way. TJF On December 05, 2002 at 00:38:18, Eduard Nemeth wrote: >The WM-Test position (Gurevich-HJS in CSS) Nr. 55 is this: > >[D]5b2/p2k1p2/P3pP1p/n2pP1p1/1p1P2P1/1P1KBN2/7P/8 w - - 0 0 > >Fritz 8 have find here the nice win move 1. Nxg5!! after few minutes only! > >But Today I read in CSS, and what I must seen? >A very interesting another position! > >THE NEW TEST POSITION: > >[D]5b2/p2k1p2/P3pP1p/n2pP1p1/1p1P2P1/1P1KB2N/7P/8 w - - 0 1 > >Analysis by Fritz 8 (128 MB für hashtabellen): > >1.Kc2 Sc6 2.Kd3 Sb8 3.Sxg5 hxg5 4.Lxg5 Sc6 5.h4 Sa5 6.Kc2 >= (0.00) Tiefe: 17/38 00:00:15 8893kN >1.Kc2 Sc6 2.Kd3 Sb8 3.Sxg5 hxg5 4.Lxg5 Sc6 5.h4 Sa5 6.Kc2 >= (0.00) Tiefe: 18/40 00:00:27 15870kN >1.Kc2 Sc6 2.Kd3 Sb8 3.Sxg5 hxg5 4.Lxg5 Sc6 5.h4 Sa5 6.Kc2 >= (0.00) Tiefe: 19/41 00:00:47 27678kN >1.Kc2 Sc6 2.Kd3 Sa5 >= (0.00) Tiefe: 20/44 00:01:45 65081kN >1.Kc2 Sc6 2.Kd3 Sa5 >= (0.00) Tiefe: 21/44 00:02:57 110426kN >1.Kc2 Sc6 2.Kd3 Sa5 >= (0.00) Tiefe: 22/46 00:05:55 218095kN >1.Kc2 Sc6 2.Kd3 Sa5 >= (0.00) Tiefe: 23/52 00:12:03 459396kN > >:-)) > >"The motiv with Nxg5!! is egual" in both positions! > >But in the new position Fritz 8 never can find the nice move 1. Nxg5 ! > >Hopla! :-)) > >Can Your program find this move 1. Nxg5 in the “new position”? > >Here a analyes by Ruffian 1.0.1: > > >Engine: Ruffian 1.0.1 >von Perola Valfridsson > >15.01 0:01 -0.71 1.Kc2 Sc6 2.Kd3 Sb8 3.Sg1 Sxa6 4.Sf3 Sc7 5.Lc1 a6 6.h3 Sb5 >7.Ld2 Kc6 8.Le3 (790.534) 422.7 > 16.01 0:04 -0.66 1.Kc2 Sc6 2.Sf2 Sb8 3.Sd3 Sxa6 4.Ld2 Kc6 5.Kd1 Kb5 6.Ke2 >Sb8 7.Ke3 Sc6 8.h3 a6 (1.705.226) 425.2 > 17.01 0:11 -0.71 1.Kc2 Sc6 2.Sf2 Kc7 3.h3 Kb6 4.Se4 Kxa6 5.Sd6 Lxd6 6.exd6 >Sb8 7.Kd3 Kb5 8.Ld2 Sd7 9.Le3 Sxf6 (4.917.537) 421.0 > 18.01 0:25 -0.69 1.Kc2 Sc6 2.Sf2 Sb8 3.Sd3 Sxa6 4.Ld2 Kc6 5.Kd1 Kb5 6.Ke2 >Sc7 7.Ke3 a5 8.Sb2 Kc6 9.Sd3 Sb5 (10.826.667) 422.5 > 19.01 0:42 -0.66 1.Kc2 Sc6 2.Sf2 Sb8 3.Sd3 Sxa6 4.Ld2 Kc6 5.Kd1 Kb5 6.Ke2 >Sb8 7.Ke3 Sc6 8.h3 Sa5 9.Sc1 Kc6 10.Kd3 (17.914.602) 419.2 > 20.01 1:09 -0.72 1.Kc2 Sc6 2.Sf2 Sb8 3.Sd3 Sxa6 4.Ld2 Kc6 5.Kd1 Kb5 6.Ke2 >Sb8 7.Ke3 Sc6 8.h3 Sa5 9.Sc1 Kc6 10.Kd3 a6 (28.943.436) 417.6 > 21.01 2:29 -0.72 1.Kc2 Sc6 2.Sf2 Sb8 3.Sd3 Sxa6 4.Ld2 Kc6 5.Kd1 Kb5 6.Ke2 >Sb8 7.Ke3 Sc6 8.h3 Sa5 9.Sc1 Kc6 10.Kd3 a6 11.Le3 (61.176.673) 408.9 > 22.01 4:36 -0.72 1.Kc2 Sc6 2.Sf2 Sb8 3.Sd3 Sxa6 4.Ld2 Kc6 5.Kd1 Kb5 6.Ke2 >Sb8 7.Ke3 Sc6 8.h3 Sa5 9.Sc1 Kc6 10.Kd3 a6 11.Le3 Kd7 (112.167.163) 405.7 > 22.11 60:39 -0.37++ 1.Sxg5 (1.363.634.315) 374.6 > >Ruffian find it on my PC after 60 Minutes on P600. Hard! > >Eduard
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