CCRL 40/4
Downloads and Statistics
November 18, 2017
Testing summary:
Total: 1'579'577 games
played by 1'866 programs
21113 CPU days (X2 4600+)

White wins: 617'996 (39.1%)
Black wins: 503'684 (31.9%)
Draws: 457'897 (29.0%)
White score: 53.6%

Engine Details

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Show each game results
NirvanaChess 2.3 64-bit 4CPU in CCRL 40/4, 2017-11-18
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, 2005-2017, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
NirvanaChess 2.3 64-bit 4CPU is #15 with rating of 3207 Elo points (+13 -14),
based on 1832 games: 295 wins, 698 losses and 839 draws
Score: 39.0%, Average opponent: +77.7, Draws: 45.8%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Stockfish 8 64-bit 4CPU            3487   9.5-66.5  (+0 -57=19)    0.0    -8
 - Komodo 10.4 64-bit 4CPU            3468  11.0-49.0  (+0 -38=22)    0.0   +46
 - Komodo 11.01 64-bit 4CPU           3462   8.0-52.0  (+0 -44=16)    0.0   -20
 - Komodo 10.3 64-bit 4CPU            3456  12.5-87.5  (+0 -75=25)    0.0   -39
 - Stockfish 160716 64-bit 4CPU       3450   6.0-45.0  (+1 -40=10)    0.0   -67
 - Komodo 10.2 64-bit 4CPU            3430   8.0-44.0  (+2 -38=12)    0.0   -42
 - Komodo 10 64-bit 4CPU              3424   9.0-43.0  (+1 -35=16)    0.0   -16
 - Komodo 10.1 64-bit 4CPU            3421   9.5-42.5  (+1 -34=17)    0.0    -7
 - Fire 5 64-bit 4CPU                 3330  14.5-37.5  (+1 -24=27)    0.0    -6
 - Houdini 4 64-bit 4CPU              3327  14.5-35.5  (+3 -24=23)    0.0   -11
 - Fizbo 1.9 64-bit 4CPU              3314  15.5-36.5  (+4 -25=23)    0.0   -19
 - Deep Shredder 13 64-bit 4CPU       3297  23.0-29.0  (+9 -15=28)    0.0   +55
 - Andscacs 0.91 64-bit 4CPU          3270  23.5-36.5  (+12-25=23)    0.0    -7
 - Andscacs 0.90 64-bit 4CPU          3269  17.5-34.5  (+5 -22=25)    0.0   -38
 - Gull 3 64-bit 4CPU                 3259  20.0-30.0  (+5 -15=30)    0.0    -3
 - Fire 4 64-bit 4CPU                 3251  19.0-31.0  (+4 -16=30)    0.0   -21
 - Booot 6.2 64-bit 4CPU              3249  21.5-37.5  (+3 -19=37)    0.0   -33
 - Equinox 3.30 64-bit 4CPU           3247  21.5-28.5  (+7 -14=29)    0.0     0
 - Fizbo 1.8 64-bit 4CPU              3243  25.0-27.0  (+12-14=26)    0.0   +25
 - Chiron 4 64-bit 4CPU               3235  28.5-23.5  (+16-11=25)    0.2   +55
 - Andscacs 0.872 64-bit 4CPU         3235  22.0-30.0  (+6 -14=32)    0.4   -16
 - Critter 1.6a 64-bit 4CPU           3231  26.0-24.0  (+13-11=26)    0.1   +33
 - Hannibal 1.7 64-bit 4CPU           3225  27.5-24.5  (+12-9 =31)    2.5   +33
 - Fritz 15 64-bit 4CPU               3219  24.0-26.0  (+8 -10=32)    7.5    +1
 - Rybka 4.1 64-bit 4CPU              3202  28.0-24.0  (+10-6 =36)   71.0   +17
 - BlackMamba 2.0 64-bit 4CPU         3194  26.5-23.5  (+12-9 =29)   92.4    +5
 - Booot 6.1 64-bit 4CPU              3183  24.0-16.0  (+13-5 =22)   99.2   +33
 - Fizbo 1.7 64-bit 4CPU              3177  28.5-21.5  (+16-9 =25)   99.8   +12
 - Elektro 1.2 64-bit 4CPU            3172  28.5-23.5  (+15-10=27)  100.0    -4
 - Texel 1.06 64-bit 4CPU             3152  30.5-19.5  (+18-7 =25)  100.0   +11
 - Strelka 5.5 64-bit                 3144  37.0-25.0  (+24-12=26)  100.0    -3
 - Pedone 1.6 64-bit 4CPU             3119  32.0-20.0  (+19-7 =26)  100.0   -18
 - Pedone 1.5 64-bit 4CPU             3097  25.5-8.5   (+19-2 =13)  100.0   +53
 - Vajolet2 2.2 64-bit 4CPU           3062  37.0-15.0  (+24-2 =26)  100.0   -17


Created in 2005-2013 by CCRL team
Last games added on November 18, 2017