CCRL 40/40
Downloads and Statistics
November 18, 2017
Testing summary:
Total: 756'425 games
played by 1'967 programs
103446 CPU days (X2 4600+)

White wins: 259'856 (34.4%)
Black wins: 192'693 (25.5%)
Draws: 303'876 (40.2%)
White score: 54.4%

Engine Details

Options
Show each game results
Stockfish 1.7.1 64-bit 4CPU in CCRL 40/40, 2017-11-18
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, 2005-2017, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Stockfish 1.7.1 64-bit 4CPU has no rank with rating of 3108 Elo points (+19 -19),
based on 844 games: 292 wins, 108 losses and 444 draws
Score: 60.9%, Average opponent: −70.8, Draws: 52.6%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Rybka 4 64-bit 4CPU               3155  35.5-51.5  (+6 -22=59)    0.0    -3
 - Rybka 4.1 64-bit 4CPU             3151  10.0-22.0  (+2 -14=16)    0.0   -69
 - Rybka 3 64-bit 4CPU               3127  64.0-65.0  (+28-29=72)    5.6   +16
 - Stockfish 1.8 64-bit 4CPU         3109  50.5-56.5  (+10-16=81)   47.5   -13
 - Naum 4.2 64-bit 4CPU              3068  30.0-23.0  (+14-7 =32)  100.0    -3
 - Deep Shredder 12 64-bit 4CPU      3024  53.5-24.5  (+32-3 =43)  100.0   +23
 - Deep Fritz 12 4CPU                2989  33.0-17.0  (+20-4 =26)  100.0   -25
 - Zappa Mexico II 64-bit 4CPU       2973  38.0-15.0  (+25-2 =26)  100.0    -3
 - Komodo 1.2 64-bit                 2950  25.0-8.0   (+19-2 =12)  100.0   +11
 - Onno 1.2.70 64-bit 4CPU           2939   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Spark 0.4 64-bit 4CPU             2938  41.0-12.0  (+30-1 =22)  100.0    +5
 - Thinker 5.4d Inert 64-bit 4CPU    2935   2.5-0.5   (+2 -0 =1 )  100.0   +45
 - Deep Sjeng WC2008 64-bit 4CPU     2930  42.0-10.0  (+35-3 =14)  100.0   +47
 - Komodo 1.0 64-bit                 2923  41.0-9.0   (+34-2 =14)  100.0   +47
 - Hiarcs 12.1 4CPU                  2908  46.0-16.0  (+33-3 =26)  100.0   -45


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