CCRL 40/40
Downloads and Statistics
December 9, 2017
Testing summary:
Total: 766'023 games
played by 1'997 programs
104955 CPU days (X2 4600+)

White wins: 262'896 (34.3%)
Black wins: 194'802 (25.4%)
Draws: 308'325 (40.3%)
White score: 54.4%

Engine Details

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Stockfish 1.6s 64-bit in CCRL 40/40, 2017-12-09
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, 2005-2017, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Stockfish 1.6s 64-bit has no rank with rating of 2954 Elo points (+29 -29),
based on 346 games: 91 wins, 77 losses and 178 draws
Score: 52.0%, Average opponent: −14.9, Draws: 51.4%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Rybka 3 64-bit                    3051  16.5-36.5  (+3 -23=27)    0.0   -13
 - Stockfish 1.6.3 64-bit            2966  25.0-28.0  (+6 -9 =38)   22.8     0
 - Naum 4 64-bit                     2957  28.5-23.5  (+15-10=27)   41.7   +32
 - Naum 4.1 64-bit                   2953  27.0-24.0  (+14-11=26)   52.2   +16
 - Deep Shredder 12 64-bit           2942   2.5-1.5   (+2 -1 =1 )   76.1   +80
 - Komodo 1.0 64-bit                 2923  21.0-17.0  (+12-8 =18)   97.0    -2
 - Fritz 12                          2887   1.5-1.5   (+1 -1 =1 )  100.0   -67
 - Thinker 5.4d Inert 64-bit         2863   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Thinker 5.4c Inert 64-bit         2861   1.0-1.0   (+0 -0 =2 )  100.0   -93
 - Zappa Mexico II 64-bit            2858   0.5-1.5   (+0 -1 =1 )  100.0  -238
 - Fritz 11                          2853  46.5-26.5  (+29-9 =35)  100.0   -19
 - Deep Sjeng 3.0 64-bit             2839   1.0-1.0   (+1 -1 =0 )  100.0  -115
 - Deep Sjeng WC2008 64-bit          2836   1.0-1.0   (+1 -1 =0 )  100.0  -118
 - Spark 0.3 64-bit                  2836   2.5-0.5   (+2 -0 =1 )  100.0  +108
 - Hiarcs 12.1                       2818   1.0-1.0   (+1 -1 =0 )  100.0  -136
 - Onno 1.1.1 64-bit                 2810   1.0-1.0   (+1 -1 =0 )  100.0  -144
 - Hiarcs 12                         2810   1.5-0.5   (+1 -0 =1 )  100.0   +12


Created in 2005-2013 by CCRL team
Last games added on December 9, 2017