CCRL 40/4
Downloads and Statistics
September 14, 2019
Testing summary:
Total: 2'097'576 games
played by 2'442 programs
28220 CPU days (X2 4600+)

White wins: 814'639 (38.8%)
Black wins: 658'954 (31.4%)
Draws: 623'983 (29.7%)
White score: 53.7%

Engine Details

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Show each game results
NirvanaChess 1.6 64-bit in CCRL 40/4, 2019-09-14
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:
NirvanaChess 1.6 64-bit has no rank with rating of 2834 Elo points (+18 -18),
based on 1069 games: 348 wins, 359 losses and 362 draws
Score: 49.5%, Average opponent: +3.9, Draws: 33.9%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Spark 1.0 64-bit                   2927  10.5-21.5  (+8 -19=5 )    0.0   -41
 - iCE 2.0 64-bit                     2924  11.5-20.5  (+5 -14=13)    0.0    -2
 - Booot 5.2.0 64-bit                 2922  12.5-19.5  (+8 -15=9 )    0.0   +12
 - Spike 1.4 Leiden                   2922  13.5-18.5  (+8 -13=11)    0.0   +34
 - DiscoCheck 5.2 64-bit              2915  11.5-20.5  (+5 -14=13)    0.0    -5
 - Quazar 0.4 64-bit                  2900  10.0-22.0  (+6 -18=8 )    0.0   -69
 - Deep Junior Yokohama 64-bit        2898  10.5-21.5  (+8 -19=5 )    0.0   -68
 - Thinker 5.4d Inert 64-bit          2885  17.5-14.5  (+15-12=5 )    0.0   +84
 - Murka 3 64-bit                     2882  12.0-20.0  (+6 -14=12)    0.0   -31
 - Gaviota 1.0 64-bit                 2872  16.0-16.0  (+12-12=8 )    0.0   +36
 - MinkoChess 1.3 64-bit              2870  13.5-18.5  (+6 -11=15)    0.0   -10
 - Nemo 1.0.1 64-bit                  2857  14.0-17.0  (+9 -12=10)    0.8    -7
 - Onno 1.2.70 64-bit                 2846  11.5-20.5  (+5 -14=13)   11.1   -79
 - Zappa Mexico II 64-bit             2844  20.5-11.5  (+14-5 =13)   14.3  +100
 - SmarThink 1.50 64-bit              2844  15.5-16.5  (+10-11=11)   17.5    -1
 - Deuterium 14.2.33.276 64-bit       2843   5.0-5.0   (+4 -4 =2 )   22.6   +13
 - Deep Sjeng WC2008 64-bit           2842  17.0-15.0  (+11-9 =12)   19.7   +28
 - Fizbo 1.2 64-bit                   2839  17.0-15.0  (+11-9 =12)   33.9   +27
 - SmarThink 1.60 64-bit              2839  15.0-13.0  (+10-8 =10)   34.1   +31
 - Vajolet2 1.28 64-bit               2838  17.5-14.5  (+12-9 =11)   34.0   +32
 - Crafty 23.8 64-bit                 2825  18.0-14.0  (+12-8 =12)   79.9   +33
 - Cheng4 0.36c 64-bit                2820  15.5-16.5  (+7 -8 =17)   90.7   -22
 - Deuterium 14.1.32.119 64-bit       2819  18.0-14.0  (+13-9 =10)   88.7   +27
 - Tornado 4.88 64-bit                2810  15.5-16.5  (+11-12=9 )   97.7   -36
 - Rodent 1.5 64-bit                  2793  19.5-12.5  (+13-6 =13)  100.0   +29
 - Arasan 17.3 64-bit                 2792  15.0-17.0  (+10-12=10)   99.9   -61
 - Ktulu 9                            2781  19.5-11.5  (+14-6 =11)  100.0   +30
 - Octochess r5190 64-bit             2778  16.5-15.5  (+11-10=11)  100.0   -49
 - Bright 0.5c                        2772  19.0-13.0  (+12-6 =14)  100.0    -4
 - Twisted Logic 20090922 64-bit      2770  17.5-14.5  (+11-8 =13)  100.0   -33
 - Frenzee 3.5.19 64-bit              2768  16.5-15.5  (+11-10=11)  100.0   -54
 - Jonny 4.00                         2762  19.0-12.0  (+14-7 =10)  100.0    +6
 - Dirty 20Apr2013 64-bit             2761  24.0-8.0   (+18-2 =12)  100.0   +91
 - BugChess2 1.9 64-bit               2759  17.0-15.0  (+13-11=8 )  100.0   -51
 - Andscacs 0.64 64-bit               2741   6.5-3.5   (+5 -2 =3 )  100.0    +6


Created in 2005-2013 by CCRL team
Last games added on September 14, 2019