CCRL 40/40
Downloads and Statistics
April 14, 2018
Testing summary:
Total: 819'589 games
played by 2'137 programs
114281 CPU days (X2 4600+)

White wins: 281'160 (34.3%)
Black wins: 208'166 (25.4%)
Draws: 330'263 (40.3%)
White score: 54.5%

Engine Details

Options
Show each game results
Stockfish 2.2.2 64-bit 4CPU in CCRL 40/40, 2018-04-14
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 2.2.2 64-bit 4CPU has no rank with rating of 3152 Elo points (+16 -16),
based on 1121 games: 369 wins, 155 losses and 597 draws
Score: 59.5%, Average opponent: −58.9, Draws: 53.3%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Houdini 3 64-bit 4CPU              3236  10.5-18.5  (+3 -11=15)    0.0    +3
 - Houdini 2.0c 64-bit 4CPU           3199  31.0-37.0  (+15-21=32)    0.0   +17
 - Critter 1.6a 64-bit 4CPU           3166  25.0-35.0  (+7 -17=36)    6.4   -32
 - Houdini 3 64-bit                   3162  15.5-16.5  (+7 -8 =17)   17.5     0
 - Rybka 4 64-bit 4CPU                3153  15.0-17.0  (+5 -7 =20)   45.3   -18
 - Rybka 4.1 64-bit 4CPU              3150  40.0-34.0  (+19-13=42)   57.7   +22
 - Critter 1.2 64-bit 4CPU            3150  16.0-16.0  (+5 -5 =22)   54.5    -2
 - Critter 1.4 64-bit 4CPU            3146  32.5-25.5  (+17-10=31)   66.3   +28
 - Vitruvius 1.11C 64-bit 4CPU        3123  23.5-20.5  (+7 -4 =33)   99.6   -11
 - IvanHoe 9.46h 64-bit 4CPU          3118  37.0-30.0  (+13-6 =48)   99.9    -5
 - Komodo 5 64-bit                    3112  27.5-14.5  (+18-5 =19)  100.0   +54
 - Strelka 5.5 64-bit                 3107  30.0-12.0  (+21-3 =18)  100.0   +90
 - Komodo 4 64-bit                    3102  32.5-23.5  (+13-4 =39)  100.0    -7
 - Naum 4.2 64-bit 4CPU               3065  32.5-19.5  (+21-8 =23)  100.0    -9
 - Hiarcs 14 4CPU                     3058  21.0-15.0  (+10-4 =22)  100.0   -47
 - Chiron 1.1a 64-bit 4CPU            3045  22.5-11.5  (+16-5 =13)  100.0    -5
 - Deep Fritz 13 4CPU                 3039  24.5-11.5  (+16-3 =17)  100.0    -1
 - Deep Junior 13 64-bit 4CPU         3031  45.5-20.5  (+31-6 =29)  100.0    -2
 - Deep Junior 13.3 64-bit 4CPU       3023  30.0-14.0  (+22-6 =16)  100.0    -8
 - Deep Shredder 12 64-bit 4CPU       3022  35.0-16.0  (+22-3 =26)  100.0   -17
 - Spike 1.4 Leiden 4CPU              3021  34.5-17.5  (+21-4 =27)  100.0   -32
 - Hiarcs 13.2 4CPU                   2986  23.5-6.5   (+17-0 =13)  100.0   +15
 - Protector 1.4.0 64-bit 4CPU        2986  24.0-6.0   (+19-1 =10)  100.0   +41
 - Spark 1.0 64-bit 4CPU              2973   1.5-0.5   (+1 -0 =1 )  100.0   -21
 - Zappa Mexico II 64-bit 4CPU        2972  37.0-15.0  (+23-1 =28)  100.0   -53


Created in 2005-2013 by CCRL team
Last games added on April 14, 2018