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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Stockfish 1.6s 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 1.6s 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: −14.7, Draws: 51.4%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Rybka 3 64-bit                     3050  16.5-36.5  (+3 -23=27)    0.0   -14
 - Stockfish 1.6.3 64-bit             2967  25.0-28.0  (+6 -9 =38)   22.4     0
 - Naum 4 64-bit                      2957  28.5-23.5  (+15-10=27)   42.4   +32
 - Naum 4.1 64-bit                    2953  27.0-24.0  (+14-11=26)   52.0   +16
 - Deep Shredder 12 64-bit            2943   2.5-1.5   (+2 -1 =1 )   75.5   +81
 - Komodo 1.0 64-bit                  2924  21.0-17.0  (+12-8 =18)   96.9    -1
 - Fritz 12                           2887   1.5-1.5   (+1 -1 =1 )  100.0   -67
 - Thinker 5.4d Inert 64-bit          2865   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           2837   1.0-1.0   (+1 -1 =0 )  100.0  -117
 - 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                  2811   1.0-1.0   (+1 -1 =0 )  100.0  -143
 - Hiarcs 12                          2810   1.5-0.5   (+1 -0 =1 )  100.0   +12


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