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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Sting SF 8.1 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:
Sting SF 8.1 64-bit has no rank with rating of 3038 Elo points (+28 -28),
based on 391 games: 117 wins, 85 losses and 189 draws
Score: 54.1%, Average opponent: −25.1, Draws: 48.3%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Stockfish 8 64-bit                 3301   0.0-4.0   (+0 -4 =0 )    0.0  -INF
 - Fizbo 1.9 64-bit                   3175   1.5-2.5   (+0 -1 =3 )    0.0   +69
 - Fire 5 64-bit                      3175   0.5-3.5   (+0 -3 =1 )    0.0  -152
 - Booot 6.2 64-bit                   3143   0.5-3.5   (+0 -3 =1 )    0.0  -177
 - Andscacs 0.91 64-bit               3141   4.5-9.5   (+0 -5 =9 )    0.0    +7
 - Roc 0.7 64-bit                     3115   2.0-4.0   (+1 -3 =2 )    0.0   -39
 - Chiron 4 64-bit                    3114   5.5-6.5   (+2 -3 =7 )    0.0   +48
 - Equinox 3.20 64-bit                3096   5.0-7.0   (+2 -4 =6 )    0.0   +12
 - Fritz 15 64-bit                    3094   5.5-6.5   (+2 -3 =7 )    0.0   +31
 - Ethereal 10.00 64-bit              3092   5.0-9.0   (+2 -6 =6 )    0.0   -34
 - Hannibal 1.7 64-bit                3080   2.0-4.0   (+1 -3 =2 )    0.3   -76
 - Texel 1.07 64-bit                  3076   4.0-8.0   (+1 -5 =6 )    0.7   -63
 - Bouquet 1.8 64-bit                 3074   1.0-1.0   (+0 -0 =2 )    0.8   +36
 - NirvanaChess 2.3 64-bit            3073   6.5-9.5   (+2 -5 =9 )    1.2   -17
 - Protector 1.9.0 64-bit             3059   9.0-7.0   (+5 -3 =8 )    8.3   +55
 - Alfil 15.7 64-bit                  3056   5.0-5.0   (+2 -2 =6 )   12.5   +18
 - BlackMamba 2.0 64-bit              3055   5.0-7.0   (+3 -5 =4 )   12.5   -34
 - Vitruvius 1.11C 64-bit             3049   1.0-1.0   (+0 -0 =2 )   25.7   +11
 - Texel 1.06 64-bit                  3042   2.5-3.5   (+1 -2 =3 )   40.8   -41
 - iCE 3.0 64-bit                     3041   3.0-3.0   (+1 -1 =4 )   41.7    +3
 - Laser 1.4 64-bit                   3026   5.5-6.5   (+3 -4 =5 )   77.8   -36
 - Naum 4.6 64-bit                    3012   1.5-0.5   (+1 -0 =1 )   95.8  +131
 - Nemorino 3.0 64-bit                2996  13.0-13.0  (+7 -7 =12)   99.5   -43
 - SmarThink 1.97 64-bit              2995   8.5-3.5   (+6 -1 =5 )   99.7   +93
 - Pedone 1.6 64-bit                  2976  12.5-7.5   (+7 -2 =11)  100.0   +10
 - Arasan 20.1 64-bit                 2963   7.5-2.5   (+5 -0 =5 )  100.0   +76
 - Vajolet2 2.2 64-bit                2960   6.5-3.5   (+4 -1 =5 )  100.0    +8
 - Hakkapeliitta 3.0 64-bit           2954   6.5-3.5   (+4 -1 =5 )  100.0     0
 - Naum 4 64-bit                      2954   6.0-4.0   (+3 -1 =6 )  100.0   -21
 - Stockfish 1.6.3 32-bit             2932   6.0-4.0   (+2 -0 =8 )  100.0   -53
 - Crafty 25.2 64-bit                 2930   6.5-3.5   (+5 -2 =3 )  100.0    -8
 - Wasp 2.01 64-bit                   2925   7.0-3.0   (+5 -1 =4 )  100.0   +10
 - Bobcat 8.0 64-bit                  2923   7.0-3.0   (+4 -0 =6 )  100.0    -3
 - Critter 0.80 32-bit                2922   5.5-3.5   (+3 -1 =5 )  100.0   -57
 - Cheng 4.39 64-bit                  2920   6.5-3.5   (+5 -2 =3 )  100.0   -13
 - ChessBrainVB 3.31                  2914  16.0-4.0   (+13-1 =6 )  100.0   +89
 - Rybka 1.2 64-bit                   2898   8.0-2.0   (+6 -0 =4 )  100.0   +60
 - Amoeba 2.5 64-bit                  2872  12.5-3.5   (+9 -0 =7 )  100.0   +15


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