CCRL 40/4
Downloads and Statistics
October 19, 2019
Testing summary:
Total: 2'120'567 games
played by 2'479 programs
28673 CPU days (X2 4600+)

White wins: 822'832 (38.8%)
Black wins: 665'262 (31.4%)
Draws: 632'473 (29.8%)
White score: 53.7%

Engine Details

Options
Show each game results
EXchess 7.71b 64-bit in CCRL 40/4, 2019-10-19
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 CPU.
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/404/

CCRL 40/4 main list:
EXchess 7.71b 64-bit has no rank with rating of 2859 Elo points (+16 -16),
based on 1369 games: 458 wins, 447 losses and 464 draws
Score: 50.4%, Average opponent: −3.6, Draws: 33.9%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Spark 1.0 64-bit                   2927   9.0-23.0  (+2 -16=14)    0.0   -67
 - iCE 2.0 64-bit                     2924  13.5-18.5  (+10-15=7 )    0.0    +9
 - Fizbo 1.31 64-bit                  2922  11.5-19.5  (+6 -14=11)    0.0   -24
 - Booot 5.2.0 64-bit                 2922  11.0-21.0  (+8 -18=6 )    0.0   -51
 - Spike 1.4 Leiden                   2921  14.0-18.0  (+7 -11=14)    0.0   +19
 - SmarThink 1.70 64-bit              2914  13.5-18.5  (+7 -12=13)    0.0    +6
 - DiscoCheck 5.2.1 64-bit            2913  16.0-16.0  (+9 -9 =14)    0.0   +54
 - Vajolet2 2.0 64-bit                2906   9.5-22.5  (+2 -15=15)    0.0   -79
 - Quazar 0.4 64-bit                  2900  17.0-15.0  (+9 -7 =16)    0.0   +60
 - Arasan 18.2 64-bit                 2899  14.5-15.5  (+10-11=9 )    0.0   +24
 - Deep Junior Yokohama 64-bit        2897  11.5-19.5  (+6 -14=11)    0.0   -44
 - Pedone 1.2 64-bit                  2896  12.0-20.0  (+4 -12=16)    0.1   -34
 - Pedone 1.3 64-bit                  2891  18.0-14.0  (+12-8 =12)    0.3   +72
 - Cheng4 0.38 64-bit                 2887  11.0-21.0  (+5 -15=12)    0.9   -75
 - Crafty 25.0 64-bit                 2885  13.0-19.0  (+7 -13=12)    0.9   -31
 - Thinker 5.4d Inert 64-bit          2885  18.5-13.5  (+12-7 =13)    0.2   +77
 - Deuterium 14.3.34.130 64-bit       2883  14.5-17.5  (+8 -11=13)    0.5    -6
 - Murka 3 64-bit                     2881   9.5-8.5   (+8 -7 =3 )    0.6   +38
 - Atlas 3.80 64-bit                  2874  18.0-14.0  (+12-8 =12)    5.5   +59
 - Gaviota 1.0 64-bit                 2872  14.0-18.0  (+9 -13=10)    6.8   -31
 - MinkoChess 1.3 64-bit              2869  17.5-13.5  (+13-9 =9 )   14.0   +57
 - Dirty 3Nov2015 64-bit              2867  14.5-17.5  (+10-13=9 )   22.8   -27
 - Nemo 1.0.1 64-bit                  2856  15.0-16.0  (+7 -8 =16)   63.4    -7
 - Bobcat 7.1 64-bit                  2853  16.5-15.5  (+12-11=9 )   70.1    +4
 - Onno 1.2.70 64-bit                 2845  17.5-14.5  (+15-12=5 )   94.7   +22
 - Arasan 17.5 64-bit                 2845  15.5-16.5  (+11-12=9 )   90.5   -25
 - Zappa Mexico II 64-bit             2843  14.0-18.0  (+7 -11=14)   97.2   -55
 - Rodent 1.7 64-bit                  2829  32.0-30.0  (+19-17=26)   99.8   -22
 - Crafty 23.8 64-bit                 2824  14.5-17.5  (+9 -12=11)  100.0   -63
 - Scorpio 2.7.6 64-bit               2815  19.0-11.0  (+14-6 =10)  100.0   +43
 - DisasterArea 1.54                  2810  35.5-26.5  (+25-16=21)  100.0     0
 - Tornado 7.0 64-bit                 2809  34.5-27.5  (+24-17=21)  100.0   -13
 - GNU Chess 5.60 64-bit              2808  17.5-14.5  (+13-10=9 )  100.0   -19
 - Dirty 10Apr2015 64-bit             2807  34.5-26.5  (+28-20=13)  100.0    -4
 - Rhetoric 1.4.3 64-bit              2804  18.5-13.5  (+14-9 =9 )  100.0    -2
 - Tornado 6.0 64-bit                 2783  22.5-9.5   (+20-7 =5 )  100.0   +82
 - Octochess r5190 64-bit             2778  19.5-10.5  (+14-5 =11)  100.0   +19
 - Rhetoric 1.4.1 64-bit              2778  21.0-9.0   (+17-5 =8 )  100.0   +64
 - The Baron 3.29 64-bit              2772  41.0-19.0  (+33-11=16)  100.0   +43


Created in 2005-2013 by CCRL team
Last games added on October 19, 2019