CCRL 40/40
Downloads and Statistics
January 20, 2018
Testing summary:
Total: 783'129 games
played by 2'026 programs
108312 CPU days (X2 4600+)

White wins: 268'533 (34.3%)
Black wins: 198'801 (25.4%)
Draws: 315'795 (40.3%)
White score: 54.5%

Engine Details

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Stockfish 1.3.1 32-bit in CCRL 40/40, 2018-01-20
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 1.3.1 32-bit has no rank with rating of 2794 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    +6
 - Naum 4 32-bit                      2930   7.5-24.5  (+4 -21=7 )    0.0   -63
 - Fritz 11                           2853  11.5-20.5  (+5 -14=13)    0.0   -32
 - Thinker 5.4c Inert 32-bit          2852  15.0-21.0  (+5 -11=20)    0.0    +9
 - Shredder 11                        2833  12.0-20.0  (+7 -15=10)    0.2   -45
 - Grapefruit 1.0 32-bit              2827  14.0-20.0  (+5 -11=18)    0.7   -15
 - Deep Sjeng WC2008 32-bit           2826  17.0-27.0  (+6 -16=22)    1.0   -37
 - Hiarcs 12.1                        2818  16.0-16.0  (+8 -8 =16)    3.7   +24
 - Hiarcs 12 Sharpen PV On            2815  18.0-12.0  (+9 -3 =18)    7.4   +78
 - Zappa Mexico II 32-bit             2810  18.0-14.0  (+15-11=6 )   12.4   +62
 - Onno 1.0 32-bit                    2795  15.0-15.0  (+7 -7 =16)   46.5    +3
 - Bright 0.4a                        2777  20.5-11.5  (+15-6 =11)   89.3   +76
 - Loop 13.6 (Loop 2007) 32-bit       2774  14.0-18.0  (+7 -11=14)   93.0   -61
 - Ktulu 9                            2754  15.5-14.5  (+10-9 =11)   99.8   -32
 - Twisted Logic 20080620             2723   3.5-0.5   (+3 -0 =1 )  100.0  +212
 - SmarThink 1.10 32-bit              2719  13.0-7.0   (+9 -3 =8 )  100.0   +19
 - Frenzee Feb08 32-bit               2695   2.5-1.5   (+2 -1 =1 )  100.0   -16
 - Booot 4.15.0                       2692   3.0-1.0   (+2 -0 =2 )  100.0   +48
 - Delfi 5.4                          2688   2.5-1.5   (+2 -1 =1 )  100.0   -10
 - Movei 00.8.438 (10 10 10)          2668   2.5-1.5   (+2 -1 =1 )  100.0   -43
 - Alaric 707                         2659   2.0-2.0   (+1 -1 =2 )  100.0  -135
 - E.T. Chess 13.01.08                2649   4.0-0.0   (+4 -0 =0 )  100.0  +INF
 - Cyrano 0.6b17 32-bit               2647   2.5-1.5   (+2 -1 =1 )  100.0   -64


Created in 2005-2013 by CCRL team
Last games added on January 20, 2018