CCRL 40/40
Downloads and Statistics
November 16, 2019
Testing summary:
Total: 1'098'633 games
played by 2'562 programs
150143 CPU days (X2 4600+)

White wins: 380'990 (34.7%)
Black wins: 283'127 (25.8%)
Draws: 434'516 (39.6%)
White score: 54.5%

Engine Details

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Stockfish 2.1.1 64-bit 4CPU in CCRL 40/40, 2019-11-16
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 CPU.
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/4040/

CCRL 40/40 main list:
Stockfish 2.1.1 64-bit 4CPU has no rank with rating of 3113 Elo points (+27 -27),
based on 406 games: 124 wins, 86 losses and 196 draws
Score: 54.7%, Average opponent: −28.3, Draws: 48.3%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Houdini 2.0c 64-bit 4CPU           3195  18.0-34.0  (+7 -23=22)    0.0   -15
 - Houdini 1.5a 64-bit 4CPU           3184  23.0-40.0  (+9 -26=28)    0.0   -11
 - Critter 1.2 64-bit 4CPU            3146  15.0-16.0  (+5 -6 =20)    2.6   +24
 - Rybka 4.1 64-bit 4CPU              3145  21.5-28.5  (+7 -14=29)    1.6   -10
 - Deep Shredder 12 64-bit 4CPU       3019  14.5-7.5   (+9 -2 =11)  100.0    -2
 - Spike 1.4 Leiden 4CPU              3017  63.5-28.5  (+44-9 =39)  100.0   +24
 - Deep Junior 12.5 64-bit 4CPU       3013  18.5-13.5  (+8 -3 =21)  100.0   -56
 - Hiarcs 13.2 4CPU                   2982  25.0-7.0   (+19-1 =12)  100.0   +53
 - Spark 1.0 64-bit 4CPU              2970  23.0-9.0   (+16-2 =14)  100.0    -3


Created in 2005-2013 by CCRL team
Last games added on November 16, 2019