CCRL 40/40
Downloads and Statistics
August 17, 2019
Testing summary:
Total: 1'075'629 games
played by 2'520 programs
147029 CPU days (X2 4600+)

White wins: 373'444 (34.7%)
Black wins: 277'846 (25.8%)
Draws: 424'339 (39.5%)
White score: 54.4%

Engine Details

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Stockfish 10 64-bit 4CPU in CCRL 40/40, 2019-08-17
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 40 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 15 minutes on a modern Intel CPU.
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Stockfish 10 64-bit 4CPU has no rank with rating of 3461 Elo points (+18 -18),
based on 1050 games: 501 wins, 17 losses and 532 draws
Score: 73.0%, Average opponent: −154.5, Draws: 50.7%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - SugaR NN 1.1 64-bit 4CPU          3497   3.0-3.0   (+0 -0 =6 )    8.2   +36
 - SugaR 1.6.1 64-bit 4CPU           3462  31.0-31.0  (+6 -6 =50)   49.3     0
 - ShashChess 8.0 64-bit 4CPU        3450  15.5-16.5  (+0 -1 =31)   77.5   -17
 - Lc0 0.21.2 w42716 GTX1050         3441  21.5-22.5  (+3 -4 =37)   89.1   -25
 - Komodo 13.02 64-bit 4CPU          3402  33.5-18.5  (+15-0 =37)  100.0   +18
 - Komodo 11.3.1 64-bit 4CPU         3400  29.5-18.5  (+13-2 =33)  100.0    +1
 - Houdini 6 64-bit 4CPU             3397  30.5-19.5  (+11-0 =39)  100.0    -8
 - Komodo 12 64-bit 4CPU             3395   6.0-1.0   (+5 -0 =2 )  100.0  +195
 - Komodo 12.3 64-bit 4CPU           3385  21.0-11.0  (+10-0 =22)  100.0    +9
 - Fire 7.1 64-bit 4CPU              3320  37.5-10.5  (+27-0 =21)  100.0   +38
 - Xiphos 0.5 64-bit 4CPU            3313  34.5-9.5   (+25-0 =19)  100.0   +34
 - Ethereal 11.00 64-bit 4CPU        3299  33.5-14.5  (+19-0 =29)  100.0   -48
 - Ethereal 11.25 64-bit 4CPU        3297  22.5-9.5   (+13-0 =19)  100.0   -48
 - Komodo 12.3 MCTS 64-bit 4CPU      3292  18.0-8.0   (+12-2 =12)  100.0   -49
 - Deep Shredder 13 64-bit 4CPU      3280  40.5-9.5   (+31-0 =19)  100.0   +27
 - Laser 1.7 64-bit 4CPU             3279  23.5-6.5   (+17-0 =13)  100.0    +2
 - Fizbo 2 64-bit 4CPU               3276  44.5-11.5  (+34-1 =21)  100.0   +12
 - Andscacs 0.95 64-bit 4CPU         3267  34.5-7.5   (+27-0 =15)  100.0   +26
 - Andscacs 0.94 64-bit 4CPU         3264  35.0-9.0   (+26-0 =18)  100.0    -5
 - Booot 6.3.1 64-bit 4CPU           3260  33.5-10.5  (+24-1 =19)  100.0   -35
 - Xiphos 0.4 64-bit 4CPU            3250  38.5-5.5   (+33-0 =11)  100.0   +77
 - RofChade 2.1 64-bit 4CPU          3248  15.0-6.0   (+9 -0 =12)  100.0   -87
 - Laser 1.6 64-bit 4CPU             3217  36.5-7.5   (+29-0 =15)  100.0   -15
 - Fritz 16 64-bit 4CPU              3192  37.0-5.0   (+32-0 =10)  100.0   +29
 - Chiron 4 64-bit 4CPU              3191  42.5-7.5   (+35-0 =15)  100.0   -14
 - Strelka 5.5 64-bit                3103  48.5-3.5   (+45-0 =7 )  100.0   +41


Created in 2005-2013 by CCRL team
Last games added on August 17, 2019