CCRL 40/4
Downloads and Statistics
April 21, 2018
Testing summary:
Total: 1'718'326 games
played by 2'020 programs
23175 CPU days (X2 4600+)

White wins: 671'250 (39.1%)
Black wins: 545'013 (31.7%)
Draws: 502'063 (29.2%)
White score: 53.7%

Engine Details

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EXchess 7.88b 64-bit in CCRL 40/4, 2018-04-21
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, 2005-2018, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
EXchess 7.88b 64-bit has no rank with rating of 2870 Elo points (+16 -17),
based on 1207 games: 374 wins, 386 losses and 447 draws
Score: 49.5%, Average opponent: +3.4, 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   -34
 - Vajolet2 2.1 64-bit                2931  11.5-20.5  (+4 -13=15)    0.0   -24
 - Spark 1.0 64-bit                   2925  12.0-20.0  (+6 -14=12)    0.0   -23
 - Crafty 25.1 64-bit                 2923  13.0-19.0  (+7 -13=12)    0.0    -7
 - Spike 1.4 Leiden                   2921  13.5-18.5  (+7 -12=13)    0.0    +1
 - Booot 5.2.0 64-bit                 2921  11.5-20.5  (+8 -17=7 )    0.0   -55
 - DiscoCheck 5.2.1 64-bit            2911  14.0-18.0  (+7 -11=14)    0.0     0
 - Bobcat 7.6 64-bit                  2910  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   +12
 - Arasan 19.0.1 64-bit               2902  14.5-17.5  (+8 -11=13)    0.3    +4
 - Nemorino 1.0 64-bit                2902  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   +17
 - Deep Junior Yokohama 64-bit        2898  15.5-16.5  (+8 -9 =15)    0.2   +20
 - Pedone 1.3 64-bit                  2890  10.0-22.0  (+4 -16=12)    4.1  -102
 - Crafty 25.0 64-bit                 2885  15.0-17.0  (+9 -11=12)    9.8    -6
 - Thinker 5.4d Inert 64-bit          2885  13.5-18.5  (+10-15=7 )    5.6   -43
 - Deuterium 14.3.34.130 64-bit       2883  17.5-14.5  (+8 -5 =19)    9.1   +37
 - Murka 3 64-bit                     2882  17.0-12.0  (+15-10=4 )   10.5   +78
 - Wasp 1.01 64-bit                   2876  16.5-15.5  (+10-9 =13)   32.9   +16
 - Atlas 3.80 64-bit                  2874  16.5-15.5  (+12-11=9 )   34.7   +17
 - Gaviota 1.0 64-bit                 2872  16.0-16.0  (+9 -9 =14)   41.1     0
 - Dirty 3Nov2015 64-bit              2867  18.5-13.5  (+14-9 =9 )   63.5   +48
 - MinkoChess 1.3 64-bit              2867  16.5-15.5  (+9 -8 =15)   65.6    +4
 - Laser 1.2 64-bit                   2867  17.5-14.5  (+11-8 =13)   59.9   +24
 - DisasterArea 1.65 64-bit           2864  14.5-17.5  (+8 -11=13)   72.9   -36
 - Rodent II 0.9.33 64-bit            2862  19.0-13.0  (+12-6 =14)   75.3   +48
 - Nemo 1.0.1 64-bit                  2856  19.0-13.0  (+13-7 =12)   94.5   +46
 - Bobcat 7.1 64-bit                  2853  17.5-14.5  (+12-9 =11)   93.0   +12
 - Onno 1.2.70 64-bit                 2844  14.5-17.5  (+9 -12=11)   99.8   -54
 - Zappa Mexico II 64-bit             2841  15.5-16.5  (+10-11=11)   99.9   -39
 - Rodent 1.7 64-bit                  2828  16.0-16.0  (+8 -8 =16)  100.0   -39
 - Rodent II 0.8.7 64-bit             2816  18.0-14.0  (+14-10=8 )  100.0    -9
 - Tornado 7.0 64-bit                 2809  18.5-13.5  (+14-9 =9 )  100.0    -8
 - DisasterArea 1.54                  2809  19.5-12.5  (+16-9 =7 )  100.0   +18
 - GNU Chess 5.60 64-bit              2807  20.5-11.5  (+15-6 =11)  100.0   +34
 - Rhetoric 1.4.3 64-bit              2803  16.0-16.0  (+9 -9 =14)  100.0   -69
 - Pawny 1.2 64-bit                   2765  20.0-12.0  (+15-7 =10)  100.0   -19

Created in 2005-2013 by CCRL team
Last games added on April 21, 2018