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 2.2 64-bit 4CPU 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 2.2 64-bit 4CPU has no rank with rating of 3182 Elo points (+16 -16),
based on 1284 games: 243 wins, 484 losses and 557 draws
Score: 40.6%, Average opponent: +69.0, Draws: 43.4%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Stockfish 160716 64-bit 4CPU       3455  13.0-91.0  (+0 -78=26)    0.0   -14
 - Stockfish 200516 64-bit 4CPU       3442  10.0-66.0  (+0 -56=20)    0.0   -18
 - Komodo 10 64-bit 4CPU              3430  11.0-41.0  (+1 -31=20)    0.0   +58
 - Stockfish 7 64-bit 4CPU            3428   4.5-47.5  (+0 -43=9 )    0.0  -108
 - Komodo 10.1 64-bit 4CPU            3427   6.5-45.5  (+1 -40=11)    0.0   -53
 - Houdini 4 64-bit 4CPU              3332  18.5-33.5  (+5 -20=27)    0.0   +66
 - Gull 3 64-bit 4CPU                 3261  19.0-33.0  (+5 -19=28)    0.0     0
 - Fire 4 64-bit 4CPU                 3257  19.5-32.5  (+5 -18=29)    0.0    +2
 - Equinox 3.30 64-bit 4CPU           3255  20.5-31.5  (+6 -17=29)    0.0   +13
 - Critter 1.6a 64-bit 4CPU           3233  19.5-32.5  (+6 -19=27)    0.0   -23
 - Fritz 15 64-bit 4CPU               3224  23.5-28.5  (+10-15=27)    0.0   +14
 - Andscacs 0.86 64-bit 4CPU          3222  22.0-30.0  (+9 -17=26)    0.0    -7
 - Rybka 4.1 64-bit 4CPU              3206  22.0-30.0  (+8 -16=28)    0.4   -18
 - BlackMamba 2.0 64-bit 4CPU         3198  25.0-27.0  (+10-12=30)    6.3    +6
 - Fizbo 1.7 64-bit 4CPU              3185  24.5-27.5  (+13-16=23)   41.9   -15
 - Hannibal 1.5 64-bit 4CPU           3170  30.5-21.5  (+18-9 =25)   89.3   +40
 - Naum 4.6 64-bit 4CPU               3153  26.5-25.5  (+13-12=27)   99.9   -25
 - Chiron 3.01 64-bit 4CPU            3146  27.5-24.5  (+15-12=25)  100.0   -18
 - Texel 1.05 64-bit 4CPU             3143  33.0-19.0  (+23-9 =20)  100.0   +47
 - Strelka 5.5 64-bit                 3141  16.5-15.5  (+8 -7 =17)  100.0   -32
 - Protector 1.9.0 64-bit 4CPU        3128  36.0-16.0  (+25-5 =22)  100.0   +65
 - iCE 3.0 64-bit                     3081  22.5-9.5   (+16-3 =13)  100.0   +28
 - Bouquet 1.8 64-bit 4CPU            3072  32.0-20.0  (+19-7 =26)  100.0   -42
 - Bobcat 7.6 64-bit 4CPU             3035  38.0-14.0  (+27-3 =22)  100.0     0


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