CCRL 40/4
Downloads and Statistics
November 8, 2019
Testing summary:
Total: 2'127'795 games
played by 2'486 programs
28766 CPU days (X2 4600+)

White wins: 825'412 (38.8%)
Black wins: 667'151 (31.4%)
Draws: 635'232 (29.9%)
White score: 53.7%

Engine Details

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Stockfish 6 64-bit 4CPU in CCRL 40/4, 2019-11-08
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 CPU.
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/404/

CCRL 40/4 main list:
Stockfish 6 64-bit 4CPU has no rank with rating of 3394 Elo points (+15 -15),
based on 1485 games: 636 wins, 109 losses and 740 draws
Score: 67.7%, Average opponent: −119.0, Draws: 49.8%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Komodo 9.2 64-bit 4CPU             3413  40.5-43.5  (+14-17=53)    5.4    +9
 - Komodo 9.3 64-bit 4CPU             3406  50.0-54.0  (+12-16=76)   13.2    +2
 - Komodo 9 64-bit 4CPU               3383  62.5-67.5  (+21-26=83)   85.5   -22
 - Komodo 9.1 64-bit 4CPU             3383  50.0-50.0  (+12-12=76)   84.0   -11
 - Komodo 8 64-bit 4CPU               3353  63.5-36.5  (+36-9 =55)  100.0   +37
 - Houdini 4 64-bit 4CPU              3332  66.5-33.5  (+41-8 =51)  100.0   +35
 - Gull 3 64-bit 4CPU                 3261  72.0-28.0  (+46-2 =52)  100.0    -1
 - Fire 4 64-bit 4CPU                 3257  54.5-25.5  (+33-4 =43)  100.0   -29
 - Equinox 3.30 64-bit 4CPU           3253  74.5-25.5  (+53-4 =43)  100.0   +15
 - Komodo 8 64-bit                    3236  23.0-9.0   (+16-2 =14)  100.0   -19
 - Critter 1.6a 64-bit 4CPU           3233  69.0-29.0  (+44-4 =50)  100.0   -38
 - Rybka 4.1 64-bit 4CPU              3206  77.5-22.5  (+58-3 =39)  100.0    -6
 - Hannibal 1.5 64-bit 4CPU           3170  87.5-16.5  (+72-1 =31)  100.0   +21
 - Equinox 3.20 64-bit                3156  41.0-9.0   (+32-0 =18)  100.0   -19
 - Strelka 5.5 64-bit                 3141  85.5-14.5  (+71-0 =29)  100.0    +6
 - Chiron 2 64-bit 4CPU               3120  88.5-14.5  (+75-1 =27)  100.0    -2


Created in 2005-2013 by CCRL team
Last games added on November 8, 2019