CCRL 40/40
Downloads and Statistics
February 17, 2018
Testing summary:
Total: 795'341 games
played by 2'045 programs
110322 CPU days (X2 4600+)

White wins: 272'710 (34.3%)
Black wins: 201'857 (25.4%)
Draws: 320'774 (40.3%)
White score: 54.5%

Engine Details

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EXchess 7.51b 64-bit 4CPU in CCRL 40/40, 2018-02-17
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, 2005-2018, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
EXchess 7.51b 64-bit 4CPU has no rank with rating of 2946 Elo points (+34 -34),
based on 260 games: 76 wins, 63 losses and 121 draws
Score: 52.5%, Average opponent: −14.7, Draws: 46.5%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Fizbo 1.7 64-bit 4CPU              3126   2.5-7.5   (+1 -6 =3 )    0.0    +4
 - Andscacs 0.80 64-bit 4CPU          3030   2.5-1.5   (+2 -1 =1 )    0.0  +179
 - Deep Junior 13.3 64-bit 4CPU       3025   2.5-1.5   (+1 -0 =3 )    0.0  +138
 - Spike 1.4 Leiden 4CPU              3023   0.5-3.5   (+0 -3 =1 )    0.0  -205
 - Cheng4 0.38 64-bit 4CPU            2986   5.5-8.5   (+2 -5 =7 )    2.6   -25
 - Spark 1.0 64-bit 4CPU              2975   2.5-5.5   (+2 -5 =1 )    6.1  -122
 - Zappa Mexico II 64-bit 4CPU        2973   4.5-3.5   (+2 -1 =5 )    6.6   +58
 - Fizbo 1.31 64-bit 4CPU             2960  12.5-15.5  (+7 -10=11)   25.1   -17
 - Crafty 25.0 64-bit 4CPU            2954   4.5-5.5   (+1 -2 =7 )   34.1   -16
 - Ethereal 8.62 64-bit 4CPU          2944  10.5-5.5   (+7 -2 =7 )   52.8   +93
 - Gaviota 1.0 64-bit 4CPU            2942   9.0-9.0   (+4 -4 =10)   57.3    -4
 - Arasan 17.5 64-bit 4CPU            2940   4.5-7.5   (+0 -3 =9 )   60.5   -65
 - Deep Sjeng WC2008 64-bit 4CPU      2930   6.0-2.0   (+4 -0 =4 )   79.9  +137
 - Toga II 3.0 4CPU                   2928   1.5-2.5   (+1 -2 =1 )   79.6  -109
 - Tornado 6.0 64-bit 4CPU            2901   9.0-9.0   (+3 -3 =12)   98.2   -47
 - Cheng4 0.36c 64-bit 4CPU           2901   1.0-3.0   (+0 -2 =2 )   97.3  -194
 - Glaurung 2.2 64-bit 4CPU           2900   1.5-2.5   (+1 -2 =1 )   99.0  -141
 - Tornado 7.0 64-bit 4CPU            2900   8.0-6.0   (+5 -3 =6 )   98.4    -4
 - Bright 0.5c 4CPU                   2896   3.0-1.0   (+3 -1 =0 )   99.1  +175
 - MinkoChess 1.3 64-bit 4CPU         2889   7.5-2.5   (+6 -1 =3 )   99.7  +122
 - Crafty 24.1 64-bit 4CPU            2883   7.0-7.0   (+5 -5 =4 )   99.6   -63
 - Scorpio 2.7.6 64-bit 4CPU          2878   9.0-5.0   (+5 -1 =8 )   99.9   +12
 - Bobcat 6.4b 64-bit 4CPU            2871   3.0-1.0   (+2 -0 =2 )  100.0   +74
 - Rodent 1.7 64-bit                  2852   3.0-1.0   (+2 -0 =2 )  100.0   +55
 - BugChess2 1.9 64-bit 4CPU          2845   3.5-0.5   (+3 -0 =1 )  100.0  +180
 - Octochess r5190 64-bit 4CPU        2829   7.0-3.0   (+4 -0 =6 )  100.0    -2
 - Pedone 1.1 64-bit 4CPU             2819   5.0-3.0   (+3 -1 =4 )  100.0   -48


Created in 2005-2013 by CCRL team
Last games added on February 17, 2018