CCRL 40/4
Downloads and Statistics
February 17, 2018
Testing summary:
Total: 1'671'765 games
played by 1'982 programs
22445 CPU days (X2 4600+)

White wins: 653'018 (39.1%)
Black wins: 530'657 (31.7%)
Draws: 488'090 (29.2%)
White score: 53.7%

Engine Details

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Show each game results
NirvanaChess 2.3 64-bit 4CPU in CCRL 40/4, 2018-02-17
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, 2005-2018, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
NirvanaChess 2.3 64-bit 4CPU has no rank with rating of 3213 Elo points (+14 -13),
based on 1832 games: 295 wins, 698 losses and 839 draws
Score: 39.0%, Average opponent: +78.1, Draws: 45.8%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Stockfish 8 64-bit 4CPU            3498   9.5-66.5  (+0 -57=19)    0.0    -3
 - Komodo 10.4 64-bit 4CPU            3476  11.0-49.0  (+0 -38=22)    0.0   +48
 - Komodo 11.01 64-bit 4CPU           3469   8.0-52.0  (+0 -44=16)    0.0   -19
 - Komodo 10.3 64-bit 4CPU            3462  12.5-87.5  (+0 -75=25)    0.0   -39
 - Stockfish 160716 64-bit 4CPU       3456   6.0-45.0  (+1 -40=10)    0.0   -67
 - Komodo 10.2 64-bit 4CPU            3437   8.0-44.0  (+2 -38=12)    0.0   -41
 - Komodo 10 64-bit 4CPU              3431   9.0-43.0  (+1 -35=16)    0.0   -15
 - Komodo 10.1 64-bit 4CPU            3428   9.5-42.5  (+1 -34=17)    0.0    -6
 - Fire 5 64-bit 4CPU                 3338  14.5-37.5  (+1 -24=27)    0.0    -4
 - Houdini 4 64-bit 4CPU              3333  14.5-35.5  (+3 -24=23)    0.0   -11
 - Deep Shredder 13 64-bit 4CPU       3324  23.0-29.0  (+9 -15=28)    0.0   +76
 - Fizbo 1.9 64-bit 4CPU              3323  15.5-36.5  (+4 -25=23)    0.0   -16
 - Andscacs 0.91 64-bit 4CPU          3278  23.5-36.5  (+12-25=23)    0.0    -5
 - Andscacs 0.90 64-bit 4CPU          3275  17.5-34.5  (+5 -22=25)    0.0   -38
 - Gull 3 64-bit 4CPU                 3263  20.0-30.0  (+5 -15=30)    0.0    -5
 - Booot 6.2 64-bit 4CPU              3258  21.5-37.5  (+3 -19=37)    0.0   -30
 - Fire 4 64-bit 4CPU                 3258  19.0-31.0  (+4 -16=30)    0.0   -20
 - Equinox 3.30 64-bit 4CPU           3253  21.5-28.5  (+7 -14=29)    0.0     0
 - Fizbo 1.8 64-bit 4CPU              3249  25.0-27.0  (+12-14=26)    0.0   +25
 - Andscacs 0.872 64-bit 4CPU         3241  22.0-30.0  (+6 -14=32)    0.5   -16
 - Chiron 4 64-bit 4CPU               3239  28.5-23.5  (+16-11=25)    0.2   +53
 - Critter 1.6a 64-bit 4CPU           3235  26.0-24.0  (+13-11=26)    0.2   +31
 - Hannibal 1.7 64-bit 4CPU           3230  27.5-24.5  (+12-9 =31)    2.8   +32
 - Fritz 15 64-bit 4CPU               3225  24.0-26.0  (+8 -10=32)    7.7    +1
 - Rybka 4.1 64-bit 4CPU              3207  28.0-24.0  (+10-6 =36)   79.1   +16
 - BlackMamba 2.0 64-bit 4CPU         3197  26.5-23.5  (+12-9 =29)   96.7    +2
 - Booot 6.1 64-bit 4CPU              3189  24.0-16.0  (+13-5 =22)   99.3   +33
 - Fizbo 1.7 64-bit 4CPU              3186  28.5-21.5  (+16-9 =25)   99.7   +15
 - Elektro 1.2 64-bit 4CPU            3177  28.5-23.5  (+15-10=27)  100.0    -5
 - Texel 1.06 64-bit 4CPU             3159  30.5-19.5  (+18-7 =25)  100.0   +12
 - Strelka 5.5 64-bit                 3141  37.0-25.0  (+24-12=26)  100.0   -12
 - Pedone 1.6 64-bit 4CPU             3118  32.0-20.0  (+19-7 =26)  100.0   -25
 - Pedone 1.5 64-bit 4CPU             3095  25.5-8.5   (+19-2 =13)  100.0   +45
 - Vajolet2 2.2 64-bit 4CPU           3069  37.0-15.0  (+24-2 =26)  100.0   -16


Created in 2005-2013 by CCRL team
Last games added on February 17, 2018