CCRL 40/40
Downloads and Statistics
August 24, 2019
Testing summary:
Total: 1'077'764 games
played by 2'521 programs
147276 CPU days (X2 4600+)

White wins: 374'201 (34.7%)
Black wins: 278'337 (25.8%)
Draws: 425'226 (39.5%)
White score: 54.4%

Engine Details

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EXchess 7.51b 64-bit 4CPU in CCRL 40/40, 2019-08-24
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 40 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 15 minutes on a modern Intel CPU.
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
EXchess 7.51b 64-bit 4CPU has no rank with rating of 2940 Elo points (+33 -33),
based on 276 games: 77 wins, 73 losses and 126 draws
Score: 50.7%, Average opponent: −2.9, Draws: 45.7%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Fizbo 1.7 64-bit 4CPU             3119   2.5-7.5   (+1 -6 =3 )    0.0    +3
 - ChessBrainVB 3.66 4CPU            3106   3.5-12.5  (+1 -10=5 )    0.0   -28
 - Andscacs 0.80 64-bit 4CPU         3024   2.5-1.5   (+2 -1 =1 )    0.0  +179
 - Deep Junior 13.3 64-bit 4CPU      3019   2.5-1.5   (+1 -0 =3 )    0.0  +138
 - Spike 1.4 Leiden 4CPU             3017   0.5-3.5   (+0 -3 =1 )    0.0  -205
 - Cheng4 0.38 64-bit 4CPU           2981   5.5-8.5   (+2 -5 =7 )    2.3   -24
 - Zappa Mexico II 64-bit 4CPU       2969   4.5-3.5   (+2 -1 =5 )    4.8   +60
 - Spark 1.0 64-bit 4CPU             2969   2.5-5.5   (+2 -5 =1 )    5.1  -122
 - Fizbo 1.31 64-bit 4CPU            2956  12.5-15.5  (+7 -10=11)   22.7   -15
 - Crafty 25.0 64-bit 4CPU           2950   4.5-5.5   (+1 -2 =7 )   30.8   -14
 - Gaviota 1.0 64-bit 4CPU           2943   9.0-9.0   (+4 -4 =10)   43.6    +3
 - Arasan 17.5 64-bit 4CPU           2935   4.5-7.5   (+0 -3 =9 )   57.9   -64
 - Ethereal 8.62 64-bit 4CPU         2931  10.5-5.5   (+7 -2 =7 )   66.3   +86
 - Deep Sjeng WC2008 64-bit 4CPU     2926   6.0-2.0   (+4 -0 =4 )   76.7  +139
 - Toga II 3.0 4CPU                  2919   1.5-2.5   (+1 -2 =1 )   84.1  -112
 - Cheng4 0.36c 64-bit 4CPU          2897   1.0-3.0   (+0 -2 =2 )   96.7  -192
 - Tornado 6.0 64-bit 4CPU           2897   9.0-9.0   (+3 -3 =12)   98.0   -45
 - Glaurung 2.2 64-bit 4CPU          2896   1.5-2.5   (+1 -2 =1 )   98.8  -139
 - Tornado 7.0 64-bit 4CPU           2894   8.0-6.0   (+5 -3 =6 )   98.4    -4
 - Bright 0.5c 4CPU                  2891   3.0-1.0   (+3 -1 =0 )   99.1  +176
 - MinkoChess 1.3 64-bit 4CPU        2886   7.5-2.5   (+6 -1 =3 )   99.6  +125
 - Crafty 24.1 64-bit 4CPU           2879   7.0-7.0   (+5 -5 =4 )   99.6   -61
 - Scorpio 2.7.6 64-bit 4CPU         2875   9.0-5.0   (+5 -1 =8 )   99.9   +15
 - Bobcat 6.4b 64-bit 4CPU           2867   3.0-1.0   (+2 -0 =2 )  100.0   +76
 - Rodent 1.7 64-bit                 2851   3.0-1.0   (+2 -0 =2 )  100.0   +60
 - BugChess2 1.9 64-bit 4CPU         2838   3.5-0.5   (+3 -0 =1 )  100.0  +179
 - Octochess r5190 64-bit 4CPU       2824   7.0-3.0   (+4 -0 =6 )  100.0    -1
 - Pedone 1.1 64-bit 4CPU            2819   5.0-3.0   (+3 -1 =4 )  100.0   -42


Created in 2005-2013 by CCRL team
Last games added on August 24, 2019