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 1.8 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 1.8 64-bit has no rank with rating of 3025 Elo points (+24 -24),
based on 583 games: 264 wins, 75 losses and 244 draws
Score: 66.2%, Average opponent: −110.1, Draws: 41.9%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Rybka 4 64-bit                     3080   9.5-14.5  (+4 -9 =11)    0.0    -9
 - Texel 1.07 64-bit                  3079   7.0-5.0   (+5 -3 =4 )    0.0  +108
 - Laser 1.5 64-bit                   3071   8.0-12.0  (+3 -7 =10)    0.2   -13
 - Protector 1.9.0 64-bit             3064   2.5-7.5   (+0 -5 =5 )    0.2  -112
 - Rybka 3 64-bit                     3050  10.5-13.5  (+5 -8 =11)    3.2   -12
 - Sting SF 8.5 64-bit                3043   5.0-5.0   (+0 -0 =10)   17.8   +18
 - Andscacs 0.83 64-bit               3015   5.0-5.0   (+2 -2 =6 )   70.4   -10
 - SmarThink 1.97 64-bit              2997   6.0-4.0   (+4 -2 =4 )   97.2   +38
 - Naum 4.2 64-bit                    2980  20.5-11.5  (+12-3 =17)  100.0   +36
 - Critter 0.80 64-bit                2967  30.5-25.5  (+16-11=29)  100.0   -31
 - Komodo 1.2 64-bit                  2950  21.5-9.5   (+14-2 =15)  100.0   +44
 - Deep Shredder 12 64-bit            2943  20.0-12.0  (+13-5 =14)  100.0    -5
 - Gull 0.12a 64-bit                  2911  15.5-8.5   (+10-3 =11)  100.0   -25
 - Hiarcs 13.1                        2875  18.0-6.0   (+12-0 =12)  100.0     0
 - Thinker 5.4c Inert 64-bit          2861  24.5-7.5   (+20-3 =9 )  100.0   +26
 - Zappa Mexico II 64-bit             2858  21.0-11.0  (+15-5 =12)  100.0   -66
 - Protector 1.3.6 64-bit             2851  20.5-3.5   (+17-0 =7 )  100.0   +84
 - Onno 1.2.70 64-bit                 2838  18.5-5.5   (+14-1 =9 )  100.0    -5
 - Deep Sjeng WC2008 64-bit           2837  26.0-6.0   (+21-1 =10)  100.0   +31
 - Deep Junior 11.2 64-bit            2830  19.0-5.0   (+16-2 =6 )  100.0   +21
 - Protector 1.3.4 32-bit             2826  21.5-10.5  (+13-2 =17)  100.0   -97
 - Hiarcs 12.1                        2818  28.0-4.0   (+24-0 =8 )  100.0   +80
 - Spike 1.2 Turin                    2746  27.5-4.5   (+24-1 =7 )  100.0    +4


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