Author: Arturo Ochoa
Date: 09:08:20 02/27/01
Go up one level in this thread
On February 26, 2001 at 17:08:51, Sune Larsson wrote:
>
> [D]4b3/5k2/4p1p1/3pP2p/2pP1P1P/2P5/6N1/2K5 w - - 0 1
>
> Burn-Alekhine Karlsbad 1911
>
>
> Amos Burn's only victory over Alekhine, in a good knight versus bad bishop
> ending, is virtually a walk-over. The game went like this:
>
> 1.Kb2 Ba4 2.Ne3 Ke7 3.Ka3 Bc6 4.Kb4 Kd7 5.Ka5 Kc7 6.Nc2 Kb7 7.Nb4 Bd7
> 8.Na6 Be8 (if 8.-Bc8 9.Nc5+ and the king penetrates) 9.Nc5+ Kc6 10.Nxe6
> and white won.
>
> Test1: The above position. This is won for white and your program should
> give white a big +score. Though we may dream about the day when
> +9.99 pops up...;)
>
>
Thinking....
Rebel Century 3 View of the Position II (Be7) on a PIII-800Mhz
+---+---+---+---+---+---+---+---+ -
8 | | | | | *B| | | |
+---+---+---+---+---+---+---+---+ 00:00:00 00:00:00
7 | | | | | | *K| | |
+---+---+---+---+---+---+---+---+
6 | | | | | *p| | *p| | Time infinite
+---+---+---+---+---+---+---+---+ Hash 200 Mb
5 | | | | *p| p | | | *p| Engine Rebel Century 3.0
+---+---+---+---+---+---+---+---+ Personality Rebel Century 3
4 | | | *p| p | | p | | p | anti-GM Off
+---+---+---+---+---+---+---+---+ Tactics Off
3 | | | p | | | | | | Bluff Chess Off
+---+---+---+---+---+---+---+---+ Style Normal
2 | | | | | | | N | | Strength Strongest
+---+---+---+---+---+---+---+---+ Search Normal Search
1 | | | K | | | | | |
+---+---+---+---+---+---+---+---+
a b c d e f g h
4b3/5k2/4p1p1/3pP2p/2pP1P1P/2P5/6N1/2K5 w - -
[Event "Computer Chess Test Suite"]
[Site "EPD2diag V1.5"]
[Date "2001.02.27"]
[Round "?"]
[White ""]
[Black ""]
[Result "*"]
[WhiteElo "?"]
[BlackElo "?"]
[FEN "4b3/5k2/4p1p1/3pP2p/2pP1P1P/2P5/6N1/2K5 w - - 0 1"]
1.*
00:00:00 1.00 -0.06 1.Kd2
00:00:00 2.00 -0.11 1.Kd2 Ba4
00:00:00 3.00 -0.09 1.Kd2 Ba4 2.Ne3
00:00:00 4.00 -0.07 1.Kd2 Ba4 2.Ne3 Ke7
00:00:00 5.00 -0.09 1.Kd2 Ba4 2.Ke3 Ke7
00:00:01 6.00 -0.06 1.Kd2 Bb5 2.Ne1 Ba4 3.Ke3 Ke7
00:00:01 6.05 -0.05 1.Ne1 Ba4 2.Kd2 Kg7 3.Ke3 Kf7
00:00:01 7.00 -0.05 1.Ne1 Ba4 2.Kd2 Ke7 3.Ke3 Bb3 4.Nf3
00:00:01 8.00 -0.02 1.Ne1 Ba4 2.Nf3 Ke7 3.Kd2 Kd7 4.Ng5
Bc2 5.Kxc2 (1)
00:00:01 9.00 0.04 1.Ne1 Ba4 2.Nf3 Ke7 3.Kd2 Kd7 4.Ng5
Ke7 5.Ke3 (1)
00:00:01 10.00 0.07 1.Ne1 Ba4 2.Nf3 Ke7 3.Kd2 Kd7 4.Ng5
Ke7 5.Kc1 Bc6 6.Kd2 Ba4 7.Kc1 Bc6
8.Kd2 (1)
00:00:01 11.00 0.00 1.Ne1 Ba4 2.Nf3 Ke7 3.Kd2 Kd7 4.Ng5
Ke7 5.Ke2 Bc2 (1)
00:00:01 12.00 0.00 1.Ne1 Ba4 2.Nf3 Ke7 3.Kd2 Kd7 4.Ng5
Ke7 5.Kc1 Bc6 6.Kd2 Ba4 7.Kc1 Bc6
8.Kd2 (1)
00:00:02 13.00 0.00 1.Ne1 Ba4 2.Nf3 Ke8 3.Ng5 Ke7 4.Kd2
Bb3 5.Nf3 Ba4 6.Ng5 Bb3 7.Nf3 Ba4 (1)
00:00:02 13.03 0.00 1.Kc2 Ba4+ 2.Kd2 Ke7 3.Ne1 Bb5 4.Nf3
Ba4 5.Ng5 Bb3 6.Ke3 Bc2 7.Kd2 Bf5
8.Ke3 Kd7 (2)
00:00:03 14.00 -0.01 1.Kc2 Ba4+ 2.Kd2 Ke7 3.Ne1 Bb3 4.Nf3
Kd7 5.Ng5 Ba4 6.Ke2 Ke7 7.Kd2 Kd7
8.Ke2 Ke7 9.Kd2 (2)
00:00:05 14.03 0.00 1.Kb2 Ba4 2.Ne3 Bd7 3.Ka3 Ke7 4.Kb4
Bc6 5.Kc5 Kd7 6.Kb4 Ke8 7.Kc5 Kd7
8.Kb4 Ke8 9.Kc5 (4)
00:00:07 15.00 0.02 1.Kb2 Ba4 2.Ne3 Bb3 3.Ng4
00:00:14 16.00 0.05 1.Kb2 Ba4 2.Kc1 Be8
00:00:30 17.00 0.07 1.Kb2 Ba4 2.Ne3 Ke7 3.Ka3 Bb5 4.Kb4
Be8 5.Kc5 Kd7 6.Nc2 Kc7 7.Nb4 Kd7
8.Nc2 Kc7 9.Nb4 Kd7 (19)
00:00:54 18.00 0.07 1.Kb2 Ba4 2.Ne3 Kf8 3.Ka3 Bd7 4.Nc2
Bc6 5.Ne1 Kf7 6.Nf3 Bb5 7.Kb4 Bd7
8.Ng5 Ke7 9.Nf3 Bc6 10.Ne1 Kd7 11.Nc2
Kc7 12.Kc5 Bd7 (37)
00:01:38 19.00 0.05 1.Kb2 Ba4 2.Ne3 Bc6 3.Ka3 Bd7 4.Kb4
Kg7 5.Kc5 g5 6.hxg5 h4 7.Kd6 h3
8.Kxd7 h2 9.Kxe6 (72)
00:03:33 20.00 0.08 1.Kb2 Ba4 2.Ne3 Ke7 3.Ka3 Bc6 4.Kb4
Kd7 (128)
00:06:48 21.00 0.09 1.Kb2 Ba4 2.Ne3 Ke7 3.Ka1 Bc6 4.Kb1
Kd7 5.Kb2 Bb7 6.Ka3 Kc7 7.Kb4 Kb6
8.Ng2 Ka7 9.Kc5 Ka8 10.Ne3 Ka7 11.Kd6
Bc8 12.Nxd5 exd5 (314)
Positions : 207.700.368
Nodes per second : 428.248
Extensions (checks) : 3.471.731 (1%)
Extensions (captures) : 717.378 (0%)
Extensions (king safety) : 2.523 (0%)
Extensions (on depth) : 0 (0%)
Extensions (remaining) : 1.113.438 (0%)
Extensions (total) : 5.305.070 (2%)
Hash Table : 24.512.634 23.304.068 (74%)
Average depth : 22
Deepest depth : 44
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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