Author: Roy Brunjes
Date: 18:27:06 09/09/05
Go up one level in this thread
On September 09, 2005 at 20:27:54, Dieter Buerssner wrote:
>On September 08, 2005 at 12:31:10, Albert Silver wrote:
>
>>Still, even if one advances these moves, where 3.Kh6 is indeed the only winning
>>move, you're correct about the difficulty for engines.
>>
>>[D]5k2/5p1K/P2p1p2/1B2pP2/3bP2P/8/8/8 w - - 0 3
>>
>>3.h5 clearly throws away any chance of a win, yet I just saw Shredder 8 (don't
>>have v.9), Junior 9, DF8, and Hiarcs 9 all chooose it. I'll just note that Fruit
>>2.1 drops h5 for Kh6 after about 2 seconds.
>
>Albert (or anybody else=, can you show some analysis lines of Fruit for this
>pos?
>
>Yace nees a long time ...
>
> 668520401 11:40.8 0.98 28. 3.Bc6 Ba7 4.Kh8 Bd4 5.Bd5 Be3 6.Bb7 Bd4 7.Kh7
> Be3 8.h5 Bd4 9.Bd5 Be3 10.Bc4 Bd4 11.h6 Be3
> 12.Kh8 Bd4 13.Bd3 Be3 14.Kh7
>1044772924 18:51.4 0.99 29t 3.Bc6 Ba7 4.Kh8 Bd4 5.Bd5 Be3 6.Bb7 Bd4 7.Kh7
> Be3 8.h5 Bd4 9.Bd5 Be3 10.Bc4 Bd4 11.h6 Be3
> 12.Kh8 Bd4 13.Bd3 Be3 14.Kh7 Bc5 15.Bb5 Be3
> 16.Bc4 Ke7 17.Bd5 {0}
>1146164333 20:35.4 0.99 29. 3.Bc6 Ba7 4.Kh8 Bd4 5.Bd5 Be3 6.Bb7 Bd4 7.Kh7
> Be3 8.h5 Bd4 9.Bd5 Be3 10.Bc4 Bd4 11.h6 Be3
> 12.Kh8 Bd4 13.Bd3 Be3 14.Kh7 Bc5 15.Bb5 Be3
> 16.Bc4 Ke7 17.Bd5 {0}
>2078651734 38:30.1 0.99 30t 3.Bc6 Ba7 4.Kh8 Bd4 5.Bd5 Be3 6.Bb7 Ba7 7.Kh7
> Bd4 {HT}
>2317340930 42:48.3 1.00 30t+ 3.Bc4 Ba7 4.h5 Ke7
>2654851941 48:48.0 1.00 30t 3.Bc4 Ba7 4.h5 Bb8H {HT}
>3149578469 58:15.1 1.01 30t+ 3.h5 Ba7 4.Bc4 Bd4
>3162803564 58:29.2 1.01 30t 3.h5 Ba7 4.Bc4 {HT}
> 101275029 1:20:04 1.02 30t+ 3.Kh6 Ba7 4.Kh5 Bd4
> 895704143 1:33:30 1.39 30++ 3.Kh6 Ba7 4.Kh5 Bd4
>1779136065 1:48:11 2.39 30++ 3.Kh6 Ba7 4.Kh5 Bd4 5.Be2 Ba7
>2646313273 2:02:42 2.39 30t 3.Kh6 Ba7 4.Kh5 Kg7H 5.Be2H {HT}
>2835001603 2:06:00 2.39 30. 3.Kh6 Ba7 4.Kh5 Kg7 5.Be2
> 810842047 2:44:45 2.61 31t 3.Kh6 Ba7 4.Kh5 Kg7 5.Kg4 Bb6 6.Kf3 Kh6 7.Ke2
> Kh5 8.Kd3 Kxh4 9.Kc4 Bc5 10.Be8 Kg3 11.Bxf7 Ba7
> 12.Kb5 Kh4 13.Bd5 Bf2 14.Kc6 Kg3 15.Kb7 Kf3
> 16.a7 Bxa7 {HT} {-80}
>1201438911 2:51:39 2.61 31. 3.Kh6 Ba7 4.Kh5 Kg7 5.Kg4 Bb6 6.Kf3 Kh6 7.Ke2
> Kh5 8.Kd3 Kxh4 9.Kc4 Bc5 10.Be8 Kg3 11.Bxf7 Ba7
> 12.Kb5 Kh4 13.Bd5 Bf2 14.Kc6 Kg3 15.Kb7 Kf3
> 16.a7 Bxa7 {HT} {-80}
> 823366282 3:59:04 2.70 32t 3.Kh6 Ba7 4.Kh5 Kg7 5.Kg4 Bb6 6.Kf3 Kh6 7.Ke2
> Kh5 8.Bc4 Kxh4 9.Bxf7 {HT}
>1358772169 4:08:40 2.70 32. 3.Kh6 Ba7 4.Kh5 Kg7 5.Kg4 Bb6 6.Kf3 Kh6 7.Ke2
> Kh5 8.Bc4 Kxh4 9.Bxf7
>3513748656 6:01:57 3.10 33++ 3.Kh6 Ba7 4.Kh5 Kg7 5.Kg4 Bb6 6.Kf3 Kh6 7.Ke2
> Kh5 8.Bc4 Kxh4 9.Bxf7 Kg3 10.Kd3 Kf4 11.Bd5 Bf2
> 12.Kc4 Ba7 13.Kb5 Bc5 14.Kc6 Ke3 15.Kb7 Kf2
>
>Regards,
>Dieter
Dieter,
Here is Fruit 2.1 analysis after about 1.5 minutes :
FEN: 5k2/5p1K/P2p1p2/1B2pP2/3bP2P/8/8/8 w - - 0 3
Fruit 2.1:
1/1 00:00 2 0 +0.86 h5
2/3 00:00 31 0 +0.68 h5 Ke7
3/5 00:00 95 0 +0.86 h5 Ke7 h6
4/5 00:00 208 0 +0.82 h5 Ke7 h6 Be3
5/6 00:00 610 0 +1.02 h5 Bf2 h6 Be3 Bc4
6/8 00:00 1.127 0 +0.86 h5 Bf2 h6 Be3 Bc4 Ke7
7/9 00:00 2.547 0 +1.05 h5 Bf2 h6 Bd4 Kh8 Be3 h7 Ke7
8/11 00:00 5.599 0 +0.86 h5 Bf2 h6 Bd4 Bd3 Be3 Bc4 Ke7
9/12 00:00 9.096 0 +1.08 h5 Bf2 h6 Bd4 Bc4 Be3 Bd5 Bd4 Kh8
10/16 00:00 15.355 0 +0.94 h5 Bf2 h6 Bd4 Bc4 Be3 Be2 Bf2 Kh8 Ke7
11/16 00:00 22.740 0 +1.08 h5 Bf2 h6 Bd4 Kh8 Be3 Bc4 Bd4 h7 Be3 Bd5 Ke7
12/29 00:00 32.541 0 +1.08 h5 Bf2 h6 Bd4 Kh8 Be3 Ba4 Bd4 Bc6 Ke7 Kg7 Be3
13/29 00:00 43.623 0 +1.05 h5 Bf2 h6 Bd4 Kh8 Be3 Bc4 Bd4 Be2 Be3 Kh7 Bd4
Bc4
14/29 00:00 119.534 0 +0.99 h5 Bf2 h6 Bd4 Bd3 Bc5 Kh8 Be3 Bb5 d5 exd5 e4
Kh7 Ke7
15/29 00:00 143.159 0 +1.04 h5 Bf2 h6 Bd4 Bd3 Bc5 Kh8 Be3 Bb5 Bd4 Bc4 Be3
Kh7 Bd4 Bd5
16/32 00:00 246.303 0 +1.00 h5 Bf2 h6 Bd4 Bd3 Bc5 Kh8 Be3 Bb5 Bf2 Bc4 Bd4
Ba2 Bg1 Bb3 Be3
17/32 00:00 294.314 0 +1.02 h5 Bf2 h6 Bd4 Bd3 Bc5 Kh8 Be3 Bb5 Bf2 Bc4 Bd4
Kh7 Bc5 Bd3 Be3 Bc4
18/41 00:01 1.068.625 1.038.961 +0.98 h5 Bf2 h6 Bd4 Bd3 Bc5 Kh8 Be3 Be2 Bc5
Kh7 Bd4 Bf1 Bc5 Bc4 Bf2 Kh8 Ke7
19/41 00:01 1.390.344 1.033.705 +0.98 h5 Bf2 h6 Bd4 Bd3 Bc5 Kh8 Be3 Be2 Bc5
Kh7 Bb6 Bd1 Bf2 Bc2 Bd4 Ba4 Be3 Bb5
19/41 00:02 2.510.384 1.063.405 +1.07 Kh6 Bf2 Kh5 Ke7 Kg4 Kf8 h5 Kg7 Bc4 Bd4
Kf3 Bc5 Bb3 Bb6 Bd5 Bc5 Ke2 Bd4 Kd3
20/41 00:03 3.134.612 1.065.941 +1.07 Kh6 Bf2 Kh5 Ke7 Kg4 Kf8 h5 Kg7 Bc4 Bd4
Kf3 Bc5 Bb3 Bb6 Ke2 Bc5 Bd5 Bb6 Kd3 Bd4
21/41 00:04 3.962.372 1.067.008 +1.07 Kh6 Bf2 Kh5 Ke7 Kg4 Kf8 h5 Kg7 Bc4 Bd4
Kf3 Bc5 Bb3 Bb6 Ke2 Bc5 Bd5 Bb6 Kd2 Bd4 Kd3
22/49 00:07 6.889.939 1.020.273 +1.07 Kh6 Bf2 Kh5 Ke7 Kg4 Kf8 h5 Kg7 Bc4 Bd4
Kf3 Bc5 Bb3 Bb6 Ke2 Bc5 Bd5 Bb6 Kd2 Bf2 Kd3 Bd4
23/49 00:09 9.450.307 1.026.266 +1.07 Kh6 Bf2 Kh5 Ke7 Kg4 Kf8 Kf3 Bd4 Kg2
Kg7 Kg3 Bc5 Kf3 Bd4 Kg4 Bc5 h5 Be3 Bc4 Bd4 Kf3 Bc5 Kg4
24/51 00:12 12.830.331 1.034.339 +1.07 Kh6 Bf2 Kh5 Ke7 Kg4 Kf8 Kf3 Bd4 Kg2
Kg7 Kg3 Bc5 Kf3 Bd4 h5 Bb6 Bc4 Bd4 Bb3 Bc5 Bd5 Bd4 Bc4 Bc5
25/53 00:21 20.821.734 1.003.043 +1.07 Kh6 Bf2 Kh5 Ke7 Kg4 Kf8 Kf3 Bd4 Kg2
Kg7 Kg3 Bc5 Kf3 Kf8 h5 Kg7 Kg4 Be3 Bc4 Bf2 Kf3 Bd4 Bb3 Bc5 Bc4
26/57 01:19 76.622.119 966.489 +1.06 Kh6 Bf2 Kh5 Ke7 Kg4 Kf8 Kf3 Bd4 Kg2 Kg7
Kg3 Bc5 Kg4 Bd4 Bc4 Be3 Kf3 Bd4 h5 Bc5 Bb3 Bb6 Bd5 Bd4 Ke2 Bb6
Not that big a difference in eval between h5 and Kh6 it seems, but still Kh6 is
preferred by Fruit.
Hardware: Centrino 1.5 GHz 256 MB RAM for hashtables for Fruit.
Roy
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.