CCRL 40/40
Downloads and Statistics
December 10, 2019
Testing summary:
Total: 1'104'091 games
played by 2'573 programs
150964 CPU days (X2 4600+)

White wins: 382'628 (34.7%)
Black wins: 284'145 (25.7%)
Draws: 437'318 (39.6%)
White score: 54.5%

Engine Details

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Stockfish 2.1.1 64-bit in CCRL 40/40, 2019-12-10
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 has no rank with rating of 3053 Elo points (+15 -15),
based on 1258 games: 311 wins, 282 losses and 665 draws
Score: 51.2%, Average opponent: −7.3, Draws: 52.9%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Houdini 2.0c 64-bit                3124  34.0-56.0  (+15-37=38)    0.0    -6
 - Houdini 1.5a 64-bit                3110  20.0-36.0  (+9 -25=22)    0.0   -36
 - Komodo 4 64-bit                    3098  50.0-70.0  (+16-36=68)    0.0    -3
 - Komodo 3 64-bit                    3091  74.5-83.5  (+37-46=75)    0.0   +20
 - Critter 1.4 64-bit                 3081  19.0-31.0  (+6 -18=26)    1.1   -44
 - Critter 1.2 64-bit                 3080  34.5-39.5  (+10-15=49)    0.3    +9
 - Rybka 4.1 64-bit                   3078  16.0-16.0  (+4 -4 =24)    0.2   +25
 - Rybka 4 64-bit                     3077  20.0-24.0  (+8 -12=24)    0.5    -2
 - Komodo 2.03 64-bit                 3046  15.0-13.0  (+7 -5 =16)   67.0   +13
 - Critter 1.01 64-bit                3045  73.0-66.0  (+34-27=78)   72.1    +6
 - Komodo 2.01 64-bit                 3042  33.5-30.5  (+17-14=33)   79.3    +4
 - Stockfish 1.9.1 64-bit             3035  11.0-9.0   (+5 -3 =12)   91.7   +13
 - Stockfish 2.0.1 64-bit             3030  10.5-9.5   (+3 -2 =15)   95.1    -7
 - Sting SF 9.9 64-bit                3010  18.0-14.0  (+6 -2 =24)  100.0   -11
 - Sting SF 9 64-bit                  2998  19.5-20.5  (+4 -5 =31)  100.0   -62
 - Chiron 1.1a 64-bit                 2979  32.5-17.5  (+22-7 =21)  100.0   +21
 - Naum 4.2 64-bit                    2976  29.5-14.5  (+21-6 =17)  100.0   +33
 - Komodo 1.3 64-bit                  2973  29.0-15.0  (+18-4 =22)  100.0   +13
 - Fritz 13                           2960  32.0-18.0  (+19-5 =26)  100.0   -13
 - Deep Shredder 12 64-bit            2940  25.0-10.0  (+18-3 =14)  100.0   +26
 - Gull 1.2 64-bit                    2918  14.5-5.5   (+10-1 =9 )  100.0    +5
 - Spike 1.4 Leiden                   2914  11.5-4.5   (+8 -1 =7 )  100.0    -3
 - Deep Junior 12.5 64-bit            2906  10.0-6.0   (+6 -2 =8 )  100.0   -73
 - Spark 1.0 64-bit                   2893  11.0-5.0   (+8 -2 =6 )  100.0   -36


Created in 2005-2013 by CCRL team
Last games added on December 10, 2019