CCRL 40/40
Downloads and Statistics
February 17, 2018
Testing summary:
Total: 795'341 games
played by 2'045 programs
110322 CPU days (X2 4600+)

White wins: 272'710 (34.3%)
Black wins: 201'857 (25.4%)
Draws: 320'774 (40.3%)
White score: 54.5%

Engine Details

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Show each game results
Stockfish 1.6.3 64-bit in CCRL 40/40, 2018-02-17
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 1.6.3 64-bit has no rank with rating of 2967 Elo points (+20 -20),
based on 801 games: 285 wins, 148 losses and 368 draws
Score: 58.6%, Average opponent: −55.1, Draws: 45.9%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Rybka 4 64-bit                     3080   6.0-18.0  (+3 -15=6 )    0.0   -69
 - Rybka 3 64-bit                     3050  22.0-30.0  (+8 -16=28)    0.0   +37
 - Rybka 3 Dynamic 64-bit             3021   9.5-14.5  (+3 -8 =13)    0.2    -9
 - Stockfish 1.7.1 64-bit             3012   2.5-5.5   (+0 -3 =5 )    0.1   -59
 - Naum 4.2 64-bit                    2980   8.5-15.5  (+2 -9 =13)   12.4   -76
 - Rybka 2.3.2a 64-bit                2964   2.0-2.0   (+0 -0 =4 )   57.8    -3
 - Naum 4 64-bit                      2957  31.0-21.0  (+21-11=20)   78.9   +51
 - Stockfish 1.6s 64-bit              2954  28.0-25.0  (+9 -6 =38)   77.6     0
 - Naum 4.1 64-bit                    2953  27.5-23.5  (+15-11=25)   83.5   +10
 - Deep Shredder 12 64-bit            2943   2.0-3.0   (+0 -1 =4 )   98.3   -69
 - Shredder 12 32-bit                 2930  10.5-13.5  (+5 -8 =11)  100.0   -80
 - Laser 1.3 64-bit                   2925   5.5-4.5   (+3 -2 =5 )   99.5   -14
 - Komodo 1.0 64-bit                  2924  44.5-28.5  (+22-6 =45)  100.0   +18
 - Rybka 2.3.2a 32-bit                2913  14.5-9.5   (+10-5 =9 )  100.0   +12
 - Fritz 12                           2887  21.5-12.5  (+14-5 =15)  100.0    +2
 - Thinker 5.4d Inert 64-bit          2865  19.0-11.0  (+12-4 =14)  100.0   -19
 - Thinker 5.4c Inert 64-bit          2861  19.0-8.0   (+15-4 =8 )  100.0   +37
 - Zappa Mexico II 64-bit             2858  18.5-7.5   (+12-1 =13)  100.0   +16
 - Fritz 11                           2853  50.5-23.5  (+38-11=25)  100.0    +6
 - Protector 1.3.3 64-bit             2844  14.5-9.5   (+11-6 =7 )  100.0   -52
 - Protector 1.3.4 64-bit             2841   1.5-1.5   (+0 -0 =3 )  100.0  -115
 - Deep Sjeng 3.0 64-bit              2839   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Critter 0.60 64-bit                2837  17.5-6.5   (+13-2 =9 )  100.0   +23
 - Deep Sjeng WC2008 64-bit           2837  16.0-10.0  (+11-5 =10)  100.0   -56
 - Spark 0.3 64-bit                   2836  20.0-10.0  (+12-2 =16)  100.0   -34
 - Grapefruit 1.0 32-bit              2827   2.0-2.0   (+1 -1 =2 )  100.0  -150
 - Deep Junior 11.1a 64-bit           2824  18.5-5.5   (+14-1 =9 )  100.0   +37
 - Hiarcs 12.1                        2818  19.0-7.0   (+15-3 =8 )  100.0   +10
 - Onno 1.1.1 64-bit                  2811   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Hiarcs 12                          2810   1.5-0.5   (+1 -0 =1 )  100.0     0
 - Critter 0.52b 64-bit               2807   3.0-1.0   (+3 -1 =0 )  100.0   +66
 - Bright 0.5c                        2779   2.5-0.5   (+2 -0 =1 )  100.0   +56
 - Twisted Logic 20100131x 64-bit     2768   2.5-0.5   (+2 -0 =1 )  100.0   +19
 - Spike 1.2 Turin                    2746   2.0-1.0   (+2 -1 =0 )  100.0   -78
 - Bison 9.11 32-bit                  2728   2.0-0.0   (+2 -0 =0 )  100.0  +INF


Created in 2005-2013 by CCRL team
Last games added on February 17, 2018