CCRL 40/40
Downloads and Statistics
November 18, 2017
Testing summary:
Total: 756'425 games
played by 1'967 programs
103446 CPU days (X2 4600+)

White wins: 259'856 (34.4%)
Black wins: 192'693 (25.5%)
Draws: 303'876 (40.2%)
White score: 54.4%

Engine Details

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Stockfish 1.3.1 32-bit in CCRL 40/40, 2017-11-18
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 1.3.1 32-bit has no rank with rating of 2793 Elo points (+25 -25),
based on 512 games: 130 wins, 170 losses and 212 draws
Score: 46.1%, Average opponent: +25.1, Draws: 41.4%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Rybka 3 32-bit                    2994   6.5-25.5  (+0 -19=13)    0.0    +7
 - Naum 4 32-bit                     2929   7.5-24.5  (+4 -21=7 )    0.0   -63
 - Fritz 11                          2852  11.5-20.5  (+5 -14=13)    0.0   -32
 - Thinker 5.4c Inert 32-bit         2850  15.0-21.0  (+5 -11=20)    0.0    +8
 - Shredder 11                       2832  12.0-20.0  (+7 -15=10)    0.2   -45
 - Grapefruit 1.0 32-bit             2826  14.0-20.0  (+5 -11=18)    0.7   -15
 - Deep Sjeng WC2008 32-bit          2825  17.0-27.0  (+6 -16=22)    1.0   -37
 - Hiarcs 12.1                       2818  16.0-16.0  (+8 -8 =16)    3.7   +25
 - Hiarcs 12 Sharpen PV On           2814  18.0-12.0  (+9 -3 =18)    7.3   +78
 - Zappa Mexico II 32-bit            2809  18.0-14.0  (+15-11=6 )   12.3   +62
 - Onno 1.0 32-bit                   2794  15.0-15.0  (+7 -7 =16)   47.2    +3
 - Bright 0.4a                       2776  20.5-11.5  (+15-6 =11)   90.0   +76
 - Loop 13.6 (Loop 2007) 32-bit      2773  14.0-18.0  (+7 -11=14)   92.9   -61
 - Ktulu 9                           2753  15.5-14.5  (+10-9 =11)   99.8   -32
 - Twisted Logic 20080620            2722   3.5-0.5   (+3 -0 =1 )  100.0  +212
 - SmarThink 1.10 32-bit             2718  13.0-7.0   (+9 -3 =8 )  100.0   +19
 - Frenzee Feb08 32-bit              2694   2.5-1.5   (+2 -1 =1 )  100.0   -16
 - Booot 4.15.0                      2691   3.0-1.0   (+2 -0 =2 )  100.0   +48
 - Delfi 5.4                         2687   2.5-1.5   (+2 -1 =1 )  100.0   -10
 - Movei 00.8.438 (10 10 10)         2667   2.5-1.5   (+2 -1 =1 )  100.0   -43
 - Alaric 707                        2659   2.0-2.0   (+1 -1 =2 )  100.0  -134
 - Cyrano 0.6b17 32-bit              2647   2.5-1.5   (+2 -1 =1 )  100.0   -63
 - E.T. Chess 13.01.08               2647   4.0-0.0   (+4 -0 =0 )  100.0  +INF


Created in 2005-2013 by CCRL team
Last games added on November 18, 2017