Author: Andrew Williams
Date: 07:40:07 05/23/02
Go up one level in this thread
On May 23, 2002 at 08:57:53, José Antônio Fabiano Mendes wrote:
> Pawn ending === Capablanca-Ed.Lasker (simul) [test position] 40...Ke6!!
> Source ===> http://209.176.8.36/winter/winter.htm#2616. Sultan Khan
> [ please see item #2617 ]
> [...]"the full game was examined by J. Mihalik on pages 251-252
> of the August 1928 Deutsche Schachzeitung. He censured Black
> for playing 40…Ke5 instead of 40…Ke6. The latter move he gave two
> exclamation marks for being the way to draw."
> [D]8/7p/p7/3k1pPP/3p4/3K4/P7/8 b
My program (on a PIII-933 with no TBs) switches to Ke6 after 1 second, but it
takes 59 seconds for the score to get as high as -0.64 (from Black's point of
view):
13> 0 0 92463 1...f4 2.g6 hxg6 3.hxg6 Ke6 4.Kxd4 Kf6
5.Ke4 Kxg6 6.Kxf4 Kf6
13= 0 0 116928 1...f4 2.g6 hxg6 3.hxg6 Ke6 4.Kxd4 Kf6
5.Ke4 Kxg6 6.Kxf4 Kf6
14> -246 1 378200 1...Ke6 2.Kxd4 f4 3.Ke4 a5 4.Kxf4 Kf7
5.a3 Kg8 6.g6 Kh8 7.gxh7 Kxh7
14= -189 2 454095 1...Ke6 2.Kxd4 a5 3.h6 Kf7 4.Ke5 Kg6
5.Kf4 a4 6.a3 Kh5
15> -189 3 620922 1...Ke6 2.Kxd4 f4 3.Ke4 f3 4.Kxf3 Kf5
5.g6 hxg6 6.h6 Kf6 7.h7 Kg7
15= -173 3 713808 1...Ke6 2.Kxd4 f4 3.Ke4 f3 4.Kxf3 Kf5
5.g6 hxg6 6.h6 Kf6 7.Ke4 g5 8.h7
16> -214 4 1031125 1...Ke6 2.Kxd4 f4 3.Ke4 f3 4.Kxf3 Kf5
5.g6 hxg6 6.h6 Kf6
16= -198 4 1071377 1...Ke6 2.Kxd4 f4 3.Ke4 f3 4.Kxf3 Kf5
5.g6 hxg6 6.h6 Kf6
17> -198 6 1399561 1...Ke6 2.Kxd4 f4 3.Ke4 f3 4.Kxf3 Kf5
5.g6 hxg6 6.h6 Kf6
17= -154 8 1953350 1...Ke6 2.Kxd4 f4 3.Ke4 f3 4.Kxf3 Kf5
5.g6 hxg6 6.h6 Kf6 7.Kg4 g5 8.Kh5 a5
18> -269 16 3395050 1...Ke6 2.Kxd4 f4 3.Ke4 f3 4.Kxf3 Kf5
5.g6 hxg6 6.h6 Kf6
18= -227 16 3428447 1...Ke6 2.Kxd4 f4 3.Ke4 f3 4.Kxf3 Kf5
5.g6 hxg6 6.h6 Kf6
19> -227 19 4023654 1...Ke6 2.Kxd4 f4 3.Ke4 f3 4.Kxf3 Kf5
5.g6 hxg6 6.h6 Kf6
19= -77 36 7662141 1...Ke6 2.Kxd4 f4 3.Ke4 f3 4.Kxf3 Kf5
5.g6 hxg6 6.h6 Kf6 7.Kg4 g5 8.h7
20> -77 44 9105817 1...Ke6 2.Kxd4 f4 3.Ke4 f3 4.Kxf3 Kf5
5.g6 hxg6 6.h6 Kf6
20= -64 59 12475684 1...Ke6 2.Kxd4 f4 3.Ke4 f3 4.Kxf3 Kf5
5.g6 hxg6 6.h6 Kf6
21> -64 78 15572143 1...Ke6 2.Kxd4 f4 3.Ke4 f3 4.Kxf3 Kf5
5.g6 hxg6 6.h6 Kf6
21= -64 86 16986639 1...Ke6 2.Kxd4 f4 3.Ke4 f3 4.Kxf3 Kf5
5.g6 hxg6 6.h6 Kf6
22> -64 119 22795242 1...Ke6 2.Kxd4 f4 3.Ke4 f3 4.Kxf3 Kf5
5.g6 hxg6 6.h6 Kf6
22= -54 251 46452316 1...Ke6 2.Kxd4 f4 3.Ke4 f3 4.Kxf3 Kf5
5.g6 hxg6 6.h6 Kf6
23> -74 403 72337031 1...Ke6 2.Kxd4 f4 3.Ke4 f3 4.Kxf3 Kf5
5.g6 hxg6 6.h6 Kf6
23= -65 723 127622218 1...Ke6 2.Kxd4 f4 3.Ke4 f3 4.Kxf3 Kf5
5.g6 hxg6 6.h6 Kf6
24> -65 910 157298927 1...Ke6 2.Kxd4 f4 3.Ke4 f3 4.Kxf3 Kf5
5.g6 hxg6 6.h6 Kf6
NODES per second 170700
Andrew
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