CCRL 40/4
Downloads and Statistics
July 20, 2019
Testing summary:
Total: 2'069'919 games
played by 2'400 programs
27811 CPU days (X2 4600+)

White wins: 804'066 (38.8%)
Black wins: 650'528 (31.4%)
Draws: 615'325 (29.7%)
White score: 53.7%

Engine Details

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Show each game results
NirvanaChess 2.3 64-bit 4CPU in CCRL 40/4, 2019-07-20
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 2.3 64-bit 4CPU has no rank with rating of 3211 Elo points (+14 -14),
based on 1832 games: 295 wins, 698 losses and 839 draws
Score: 39.0%, Average opponent: +78.0, Draws: 45.8%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Stockfish 8 64-bit 4CPU            3493   9.5-66.5  (+0 -57=19)    0.0    -6
 - Komodo 10.4 64-bit 4CPU            3472  11.0-49.0  (+0 -38=22)    0.0   +46
 - Komodo 11.01 64-bit 4CPU           3467   8.0-52.0  (+0 -44=16)    0.0   -19
 - Komodo 10.3 64-bit 4CPU            3460  12.5-87.5  (+0 -75=25)    0.0   -39
 - Stockfish 160716 64-bit 4CPU       3454   6.0-45.0  (+1 -40=10)    0.0   -67
 - Komodo 10.2 64-bit 4CPU            3434   8.0-44.0  (+2 -38=12)    0.0   -42
 - Komodo 10 64-bit 4CPU              3429   9.0-43.0  (+1 -35=16)    0.0   -15
 - Komodo 10.1 64-bit 4CPU            3426   9.5-42.5  (+1 -34=17)    0.0    -6
 - Fire 5 64-bit 4CPU                 3335  14.5-37.5  (+1 -24=27)    0.0    -5
 - Houdini 4 64-bit 4CPU              3331  14.5-35.5  (+3 -24=23)    0.0   -11
 - Deep Shredder 13 64-bit 4CPU       3323  23.0-29.0  (+9 -15=28)    0.0   +77
 - Fizbo 1.9 64-bit 4CPU              3319  15.5-36.5  (+4 -25=23)    0.0   -18
 - Andscacs 0.91 64-bit 4CPU          3275  23.5-36.5  (+12-25=23)    0.0    -6
 - Andscacs 0.90 64-bit 4CPU          3274  17.5-34.5  (+5 -22=25)    0.0   -37
 - Gull 3 64-bit 4CPU                 3260  20.0-30.0  (+5 -15=30)    0.0    -6
 - Booot 6.2 64-bit 4CPU              3256  21.5-37.5  (+3 -19=37)    0.0   -30
 - Fire 4 64-bit 4CPU                 3256  19.0-31.0  (+4 -16=30)    0.0   -20
 - Equinox 3.30 64-bit 4CPU           3252  21.5-28.5  (+7 -14=29)    0.0    +1
 - Fizbo 1.8 64-bit 4CPU              3247  25.0-27.0  (+12-14=26)    0.0   +25
 - Chiron 4 64-bit 4CPU               3241  28.5-23.5  (+16-11=25)    0.0   +57
 - Andscacs 0.872 64-bit 4CPU         3238  22.0-30.0  (+6 -14=32)    0.5   -17
 - Critter 1.6a 64-bit 4CPU           3232  26.0-24.0  (+13-11=26)    0.3   +30
 - Hannibal 1.7 64-bit 4CPU           3229  27.5-24.5  (+12-9 =31)    1.9   +33
 - Fritz 15 64-bit 4CPU               3223  24.0-26.0  (+8 -10=32)    7.0    +1
 - Rybka 4.1 64-bit 4CPU              3205  28.0-24.0  (+10-6 =36)   78.0   +16
 - BlackMamba 2.0 64-bit 4CPU         3197  26.5-23.5  (+12-9 =29)   94.9    +4
 - Booot 6.1 64-bit 4CPU              3187  24.0-16.0  (+13-5 =22)   99.2   +33
 - Fizbo 1.7 64-bit 4CPU              3184  28.5-21.5  (+16-9 =25)   99.7   +15
 - Elektro 1.2 64-bit 4CPU            3175  28.5-23.5  (+15-10=27)  100.0    -5
 - Texel 1.06 64-bit 4CPU             3157  30.5-19.5  (+18-7 =25)  100.0   +12
 - Strelka 5.5 64-bit                 3140  37.0-25.0  (+24-12=26)  100.0   -11
 - Pedone 1.6 64-bit 4CPU             3115  32.0-20.0  (+19-7 =26)  100.0   -26
 - Pedone 1.5 64-bit 4CPU             3094  25.5-8.5   (+19-2 =13)  100.0   +46
 - Vajolet2 2.2 64-bit 4CPU           3067  37.0-15.0  (+24-2 =26)  100.0   -16


Created in 2005-2013 by CCRL team
Last games added on July 20, 2019