CCRL 40/4
Downloads and Statistics
June 15, 2019
Testing summary:
Total: 2'051'440 games
played by 2'369 programs
27518 CPU days (X2 4600+)

White wins: 797'129 (38.9%)
Black wins: 645'243 (31.5%)
Draws: 609'068 (29.7%)
White score: 53.7%

Engine Details

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Stockfish DD 64-bit in CCRL 40/4, 2019-06-15
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:
Stockfish DD 64-bit has no rank with rating of 3226 Elo points (+18 -18),
based on 912 games: 302 wins, 174 losses and 436 draws
Score: 57.0%, Average opponent: −43.6, Draws: 47.8%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Houdini 4 64-bit                   3240 110.5-115.5 (+65-70=91)    8.0    +7
 - Houdini 3 64-bit                   3217  45.5-42.5  (+24-21=43)   79.5     0
 - Komodo TCEC 64-bit                 3210  47.0-41.0  (+25-19=44)   88.7    +3
 - Komodo 7a 64-bit                   3205  22.0-28.0  (+7 -13=30)   96.4   -52
 - Komodo 6 64-bit                    3184  79.0-58.0  (+44-23=70)   99.9    +1
 - Komodo CCT 64-bit                  3181  50.5-37.5  (+29-16=43)  100.0    +2
 - Stockfish 4 64-bit                 3180  53.0-33.0  (+26-6 =54)  100.0   +18
 - Deep Fritz 14 64-bit 1CPU          3078  35.5-14.5  (+23-2 =25)  100.0   -21
 - Protector 1.6.0 64-bit             3039  41.5-8.5   (+34-1 =15)  100.0   +48
 - Chiron 2 64-bit                    3038  35.5-13.5  (+25-3 =21)  100.0   -46


Created in 2005-2013 by CCRL team
Last games added on June 15, 2019