CCRL 40/40
Downloads and Statistics
July 19, 2019
Testing summary:
Total: 1'068'538 games
played by 2'502 programs
146028 CPU days (X2 4600+)

White wins: 371'241 (34.7%)
Black wins: 276'263 (25.9%)
Draws: 421'034 (39.4%)
White score: 54.4%

Engine Details

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Show each game results
Stockfish 1.8 64-bit in CCRL 40/40, 2019-07-19
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, 2005-2019, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Stockfish 1.8 64-bit has no rank with rating of 3027 Elo points (+21 -21),
based on 749 games: 295 wins, 123 losses and 331 draws
Score: 61.5%, Average opponent: −79.1, Draws: 44.2%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Arasan 21.3 64-bit                 3123   5.0-9.0   (+2 -6 =6 )    0.0    +4
 - Schooner 2.0.34 64-bit             3110   7.5-12.5  (+0 -5 =15)    0.0   +18
 - Roc 0.8 64-bit                     3100   6.0-14.0  (+2 -10=8 )    0.0   -55
 - Ethereal 10.00 64-bit              3092   7.0-7.0   (+4 -4 =6 )    0.0   +74
 - Arasan 21.1 64-bit                 3082   8.5-11.5  (+5 -8 =7 )    0.0    +5
 - Rybka 4 64-bit                     3077   9.5-14.5  (+4 -9 =11)    0.0   -14
 - Texel 1.07 64-bit                  3076   7.0-5.0   (+5 -3 =4 )    0.0  +103
 - Laser 1.5 64-bit                   3072   8.0-12.0  (+3 -7 =10)    0.0   -14
 - Protector 1.9.0 64-bit             3059   2.5-7.5   (+0 -5 =5 )    0.3  -119
 - Pedone 1.8 64-bit                  3059  11.0-9.0   (+6 -4 =10)    0.8   +59
 - Rybka 3 64-bit                     3047  10.5-13.5  (+5 -8 =11)    5.1   -17
 - Sting SF 8.5 64-bit                3040   5.0-5.0   (+0 -0 =10)   24.0   +13
 - Wasp 3.60 64-bit                   3038   5.5-10.5  (+1 -6 =9 )   23.0   -78
 - RubiChess 1.4 64-bit               3037   9.5-6.5   (+5 -2 =9 )   24.3   +63
 - Sting SF 9.99 64-bit               3037   5.5-4.5   (+2 -1 =7 )   30.2   +37
 - Andscacs 0.83 64-bit               3013   5.0-5.0   (+2 -2 =6 )   77.7   -14
 - Sting SF 10.1 64-bit               3012   9.0-7.0   (+4 -2 =10)   80.5   +18
 - SmarThink 1.97 64-bit              2995   6.0-4.0   (+4 -2 =4 )   99.3   +34
 - Naum 4.2 64-bit                    2976  20.5-11.5  (+12-3 =17)  100.0   +30
 - Critter 0.80 64-bit                2967  30.5-25.5  (+16-11=29)  100.0   -33
 - Komodo 1.2 64-bit                  2946  21.5-9.5   (+14-2 =15)  100.0   +38
 - Deep Shredder 12 64-bit            2940  20.0-12.0  (+13-5 =14)  100.0   -10
 - Gull 0.12a 64-bit                  2908  15.5-8.5   (+10-3 =11)  100.0   -30
 - Hiarcs 13.1                        2874  18.0-6.0   (+12-0 =12)  100.0    -2
 - Thinker 5.4c Inert 64-bit          2860  24.5-7.5   (+20-3 =9 )  100.0   +23
 - Zappa Mexico II 64-bit             2854  21.0-11.0  (+15-5 =12)  100.0   -72
 - Protector 1.3.6 64-bit             2853  20.5-3.5   (+17-0 =7 )  100.0   +84
 - Deep Sjeng WC2008 64-bit           2835  26.0-6.0   (+21-1 =10)  100.0   +27
 - Onno 1.2.70 64-bit                 2833  18.5-5.5   (+14-1 =9 )  100.0   -12
 - Deep Junior 11.2 64-bit            2828  19.0-5.0   (+16-2 =6 )  100.0   +17
 - Protector 1.3.4 32-bit             2824  21.5-10.5  (+13-2 =17)  100.0  -101
 - Hiarcs 12.1                        2817  28.0-4.0   (+24-0 =8 )  100.0   +77
 - Spike 1.2 Turin                    2745  27.5-4.5   (+24-1 =7 )  100.0    +1


Created in 2005-2013 by CCRL team
Last games added on July 19, 2019