CCRL 40/40
Downloads and Statistics
July 19, 2019
Testing summary:
Total: 1'068'538 games
played by 2'502 programs
146028 CPU days (X2 4600+)

White wins: 371'241 (34.7%)
Black wins: 276'263 (25.9%)
Draws: 421'034 (39.4%)
White score: 54.4%

Engine Details

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Show each game results
Stockfish 1.01 in CCRL 40/40, 2019-07-19
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, 2005-2019, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Stockfish 1.01 has no rank with rating of 2753 Elo points (+32 -32),
based on 302 games: 90 wins, 75 losses and 137 draws
Score: 52.5%, Average opponent: −19.4, Draws: 45.4%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Naum 3.1 32-bit                    2859   2.0-2.0   (+1 -1 =2 )    0.0  +106
 - Fritz 11                           2852   2.0-2.0   (+1 -1 =2 )    0.0   +99
 - Thinker 5.3b Inert 32-bit          2845   4.5-7.5   (+2 -5 =5 )    0.0   +13
 - Shredder 11                        2832   2.0-2.0   (+1 -1 =2 )    0.0   +68
 - Toga II 1.4.1SE                    2826   4.0-4.0   (+2 -2 =4 )    0.0   +78
 - Deep Sjeng WC2008 32-bit           2825   1.5-2.5   (+0 -1 =3 )    0.0   +12
 - Cyclone 3.4                        2822   2.0-5.0   (+1 -4 =2 )    0.0   -90
 - Cyclone 2.2                        2815   3.5-4.5   (+1 -2 =5 )    0.2   +30
 - Hiarcs 12 Sharpen PV On            2813   1.0-3.0   (+1 -3 =0 )    0.0  -166
 - Hiarcs 12                          2809   9.0-11.0  (+5 -7 =8 )    0.1   +22
 - Zappa Mexico II 32-bit             2809   0.5-3.5   (+0 -3 =1 )    0.1  -232
 - Fruit 2.3.1                        2786   2.0-2.0   (+0 -0 =4 )    3.3   +33
 - Grapefruit 1.0a3                   2783   5.0-5.0   (+1 -1 =8 )    9.5   +30
 - Bright 0.4a                        2775  13.0-11.0  (+6 -4 =14)    9.4   +45
 - Glaurung 2.1 32-bit                2765   4.0-4.0   (+0 -0 =8 )   25.8   +12
 - Glaurung 2.2 32-bit                2754   9.0-8.0   (+3 -2 =12)   47.7   +21
 - Bright 0.3a                        2730   1.5-4.5   (+1 -4 =1 )   89.4  -218
 - Twisted Logic 20080620             2723   2.5-1.5   (+2 -1 =1 )   95.3   +65
 - SmarThink 1.10 32-bit              2718  13.0-7.0   (+8 -2 =10)   97.1   +53
 - Ktulu 8                            2705   0.5-1.5   (+0 -1 =1 )   99.8  -204
 - Chess Tiger 2007.1                 2703   0.5-1.5   (+0 -1 =1 )   99.8  -206
 - Chessmaster 11 Aiglos II           2700  12.5-11.5  (+6 -5 =13)   99.8   -38
 - Naum 2.0 32-bit                    2697  14.0-6.0   (+12-4 =4 )   99.9   +97
 - Frenzee Feb08 32-bit               2695   1.0-3.0   (+0 -2 =2 )  100.0  -207
 - Delfi 5.4                          2689   3.5-2.5   (+3 -2 =1 )  100.0    -6
 - Movei 00.8.438 (10 10 10)          2667   3.5-2.5   (+2 -1 =3 )  100.0   -34
 - Booot 4.14.0                       2666   3.0-3.0   (+2 -2 =2 )  100.0   -87
 - Chessmaster 11                     2665   1.0-1.0   (+0 -0 =2 )  100.0   -88
 - Alaric 707                         2660   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Scorpio 2.02b                      2655   2.5-3.5   (+2 -3 =1 )  100.0  -164
 - E.T. Chess 13.01.08                2649   1.0-1.0   (+1 -1 =0 )  100.0  -104
 - Cyrano 0.6b17 32-bit               2648   3.5-2.5   (+2 -1 =3 )  100.0   -58
 - CM10th Pestilence                  2638   1.0-1.0   (+1 -1 =0 )  100.0  -115
 - WildCat 8                          2629   3.0-1.0   (+2 -0 =2 )  100.0   +25
 - BugChess2 1.6.3 32-bit             2620  18.0-6.0   (+15-3 =6 )  100.0   +48
 - Hamsters 0.7                       2619   5.5-4.5   (+4 -3 =3 )  100.0   -97
 - Crafty 22.4 32-bit                 2580   0.5-1.5   (+0 -1 =1 )  100.0  -314


Created in 2005-2013 by CCRL team
Last games added on July 19, 2019