CCRL 40/40
Downloads and Statistics
January 13, 2018
Testing summary:
Total: 780'914 games
played by 2'018 programs
107860 CPU days (X2 4600+)

White wins: 267'852 (34.3%)
Black wins: 198'301 (25.4%)
Draws: 314'761 (40.3%)
White score: 54.5%

Engine Details

Options
Show each game results
Stockfish 2.1.1 64-bit 4CPU in CCRL 40/40, 2018-01-13
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, 2005-2018, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Stockfish 2.1.1 64-bit 4CPU has no rank with rating of 3119 Elo points (+27 -27),
based on 406 games: 124 wins, 86 losses and 196 draws
Score: 54.7%, Average opponent: −29.2, Draws: 48.3%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Houdini 2.0c 64-bit 4CPU           3200  18.0-34.0  (+7 -23=22)    0.0   -16
 - Houdini 1.5a 64-bit 4CPU           3192  23.0-40.0  (+9 -26=28)    0.0    -9
 - Critter 1.2 64-bit 4CPU            3151  15.0-16.0  (+5 -6 =20)    2.7   +23
 - Rybka 4.1 64-bit 4CPU              3150  21.5-28.5  (+7 -14=29)    1.6   -11
 - Deep Shredder 12 64-bit 4CPU       3023  14.5-7.5   (+9 -2 =11)  100.0    -4
 - Spike 1.4 Leiden 4CPU              3022  63.5-28.5  (+44-9 =39)  100.0   +23
 - Deep Junior 12.5 64-bit 4CPU       3017  18.5-13.5  (+8 -3 =21)  100.0   -58
 - Hiarcs 13.2 4CPU                   2986  25.0-7.0   (+19-1 =12)  100.0   +51
 - Spark 1.0 64-bit 4CPU              2974  23.0-9.0   (+16-2 =14)  100.0    -5


Created in 2005-2013 by CCRL team
Last games added on January 13, 2018