CCRL 40/4
Downloads and Statistics
July 20, 2019
Testing summary:
Total: 2'069'919 games
played by 2'400 programs
27811 CPU days (X2 4600+)

White wins: 804'066 (38.8%)
Black wins: 650'528 (31.4%)
Draws: 615'325 (29.7%)
White score: 53.7%

Engine Details

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Show each game results
EXchess 7.88b 64-bit in CCRL 40/4, 2019-07-20
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern Intel CPU.
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
EXchess 7.88b 64-bit has no rank with rating of 2871 Elo points (+16 -16),
based on 1207 games: 374 wins, 386 losses and 447 draws
Score: 49.5%, Average opponent: +3.1, Draws: 37.0%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Cheng 4.39 64-bit                  2944  11.0-21.0  (+6 -16=10)    0.0   -35
 - Vajolet2 2.1 64-bit                2932  11.5-20.5  (+4 -13=15)    0.0   -24
 - Spark 1.0 64-bit                   2927  12.0-20.0  (+6 -14=12)    0.0   -22
 - Crafty 25.1 64-bit                 2923  13.0-19.0  (+7 -13=12)    0.0    -8
 - Booot 5.2.0 64-bit                 2922  11.5-20.5  (+8 -17=7 )    0.0   -55
 - Spike 1.4 Leiden                   2921  13.5-18.5  (+7 -12=13)    0.0     0
 - DiscoCheck 5.2.1 64-bit            2913  14.0-18.0  (+7 -11=14)    0.0    +1
 - Bobcat 7.6 64-bit                  2911  17.0-15.0  (+10-8 =14)    0.0   +59
 - Rodent II 0.9.64 64-bit            2905  15.0-17.0  (+10-12=10)    0.1   +11
 - Arasan 19.0.1 64-bit               2903  14.5-17.5  (+8 -11=13)    0.3    +4
 - Nemorino 1.0 64-bit                2903  16.0-10.0  (+11-5 =10)    0.6  +106
 - Arasan 18.2 64-bit                 2899  14.5-17.5  (+8 -11=13)    0.7     0
 - Quazar 0.4 64-bit                  2899  15.5-16.5  (+8 -9 =15)    0.1   +16
 - Deep Junior Yokohama 64-bit        2898  15.5-16.5  (+8 -9 =15)    0.2   +19
 - Pedone 1.3 64-bit                  2891  10.0-22.0  (+4 -16=12)    4.2  -102
 - Thinker 5.4d Inert 64-bit          2885  13.5-18.5  (+10-15=7 )    6.1   -44
 - Crafty 25.0 64-bit                 2885  15.0-17.0  (+9 -11=12)   10.1    -7
 - Deuterium 14.3.34.130 64-bit       2883  17.5-14.5  (+8 -5 =19)   10.8   +36
 - Murka 3 64-bit                     2882  17.0-12.0  (+15-10=4 )   11.9   +77
 - Wasp 1.01 64-bit                   2876  16.5-15.5  (+10-9 =13)   32.9   +15
 - Atlas 3.80 64-bit                  2874  16.5-15.5  (+12-11=9 )   36.4   +16
 - Gaviota 1.0 64-bit                 2872  16.0-16.0  (+9 -9 =14)   45.3     0
 - MinkoChess 1.3 64-bit              2869  16.5-15.5  (+9 -8 =15)   58.7    +5
 - Laser 1.2 64-bit                   2868  17.5-14.5  (+11-8 =13)   60.7   +24
 - Dirty 3Nov2015 64-bit              2867  18.5-13.5  (+14-9 =9 )   64.1   +47
 - DisasterArea 1.65 64-bit           2864  14.5-17.5  (+8 -11=13)   76.5   -37
 - Rodent II 0.9.33 64-bit            2863  19.0-13.0  (+12-6 =14)   75.6   +48
 - Nemo 1.0.1 64-bit                  2857  19.0-13.0  (+13-7 =12)   94.7   +46
 - Bobcat 7.1 64-bit                  2853  17.5-14.5  (+12-9 =11)   93.1   +11
 - Onno 1.2.70 64-bit                 2845  14.5-17.5  (+9 -12=11)   99.7   -54
 - Zappa Mexico II 64-bit             2843  15.5-16.5  (+10-11=11)   99.9   -38
 - Rodent 1.7 64-bit                  2829  16.0-16.0  (+8 -8 =16)  100.0   -39
 - Rodent II 0.8.7 64-bit             2817  18.0-14.0  (+14-10=8 )  100.0    -9
 - DisasterArea 1.54                  2810  19.5-12.5  (+16-9 =7 )  100.0   +18
 - Tornado 7.0 64-bit                 2809  18.5-13.5  (+14-9 =9 )  100.0    -9
 - GNU Chess 5.60 64-bit              2808  20.5-11.5  (+15-6 =11)  100.0   +34
 - Rhetoric 1.4.3 64-bit              2804  16.0-16.0  (+9 -9 =14)  100.0   -69
 - Pawny 1.2 64-bit                   2767  20.0-12.0  (+15-7 =10)  100.0   -18


Created in 2005-2013 by CCRL team
Last games added on July 20, 2019