CCRL 40/4
Downloads and Statistics
June 22, 2019
Testing summary:
Total: 2'052'494 games
played by 2'371 programs
27529 CPU days (X2 4600+)

White wins: 797'533 (38.9%)
Black wins: 645'585 (31.5%)
Draws: 609'376 (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, 2019-06-22
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: +68.1, 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       3441  10.0-66.0  (+0 -56=20)    0.0   -19
 - Komodo 10 64-bit 4CPU              3429  11.0-41.0  (+1 -31=20)    0.0   +57
 - Stockfish 7 64-bit 4CPU            3427   4.5-47.5  (+0 -43=9 )    0.0  -109
 - Komodo 10.1 64-bit 4CPU            3426   6.5-45.5  (+1 -40=11)    0.0   -54
 - Houdini 4 64-bit 4CPU              3331  18.5-33.5  (+5 -20=27)    0.0   +65
 - Gull 3 64-bit 4CPU                 3260  19.0-33.0  (+5 -19=28)    0.0     0
 - Fire 4 64-bit 4CPU                 3256  19.5-32.5  (+5 -18=29)    0.0    +1
 - Equinox 3.30 64-bit 4CPU           3252  20.5-31.5  (+6 -17=29)    0.0   +10
 - Critter 1.6a 64-bit 4CPU           3232  19.5-32.5  (+6 -19=27)    0.0   -24
 - Fritz 15 64-bit 4CPU               3223  23.5-28.5  (+10-15=27)    0.0   +13
 - Andscacs 0.86 64-bit 4CPU          3221  22.0-30.0  (+9 -17=26)    0.0    -8
 - Rybka 4.1 64-bit 4CPU              3205  22.0-30.0  (+8 -16=28)    0.4   -19
 - BlackMamba 2.0 64-bit 4CPU         3197  25.0-27.0  (+10-12=30)    6.4    +5
 - Fizbo 1.7 64-bit 4CPU              3184  24.5-27.5  (+13-16=23)   41.9   -16
 - Hannibal 1.5 64-bit 4CPU           3169  30.5-21.5  (+18-9 =25)   89.4   +39
 - Naum 4.6 64-bit 4CPU               3152  26.5-25.5  (+13-12=27)   99.9   -26
 - Chiron 3.01 64-bit 4CPU            3145  27.5-24.5  (+15-12=25)  100.0   -19
 - Texel 1.05 64-bit 4CPU             3142  33.0-19.0  (+23-9 =20)  100.0   +46
 - Strelka 5.5 64-bit                 3140  16.5-15.5  (+8 -7 =17)  100.0   -33
 - Protector 1.9.0 64-bit 4CPU        3127  36.0-16.0  (+25-5 =22)  100.0   +64
 - 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             3034  38.0-14.0  (+27-3 =22)  100.0    -1


Created in 2005-2013 by CCRL team
Last games added on June 22, 2019