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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Sting SF 8.1 64-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:
Sting SF 8.1 64-bit has no rank with rating of 3040 Elo points (+28 -28),
based on 377 games: 115 wins, 79 losses and 183 draws
Score: 54.8%, Average opponent: −29.3, Draws: 48.5%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Stockfish 8 64-bit                3297   0.0-4.0   (+0 -4 =0 )    0.0  -INF
 - Fire 5 64-bit                     3174   0.5-3.5   (+0 -3 =1 )    0.0  -155
 - Fizbo 1.9 64-bit                  3169   1.5-2.5   (+0 -1 =3 )    0.0   +61
 - Booot 6.2 64-bit                  3147   0.5-3.5   (+0 -3 =1 )    0.0  -175
 - Andscacs 0.91 64-bit              3140   4.5-9.5   (+0 -5 =9 )    0.0    +4
 - Roc 0.7 64-bit                    3121   2.0-4.0   (+1 -3 =2 )    0.0   -35
 - Chiron 4 64-bit                   3111   5.5-6.5   (+2 -3 =7 )    0.0   +43
 - Equinox 3.20 64-bit               3098   5.0-7.0   (+2 -4 =6 )    0.0   +12
 - Fritz 15 64-bit                   3098   5.5-6.5   (+2 -3 =7 )    0.0   +33
 - Hannibal 1.7 64-bit               3084   2.0-4.0   (+1 -3 =2 )    0.2   -74
 - Bouquet 1.8 64-bit                3076   1.0-1.0   (+0 -0 =2 )    0.8   +36
 - NirvanaChess 2.3 64-bit           3076   6.5-9.5   (+2 -5 =9 )    1.2   -16
 - Protector 1.9.0 64-bit            3065   9.0-7.0   (+5 -3 =8 )    5.5   +59
 - BlackMamba 2.0 64-bit             3060   5.0-7.0   (+3 -5 =4 )    9.2   -31
 - Alfil 15.7 64-bit                 3058   5.0-5.0   (+2 -2 =6 )   12.8   +18
 - Texel 1.07 64-bit                 3057   4.0-8.0   (+1 -5 =6 )   20.9   -83
 - Vitruvius 1.11C 64-bit            3052   1.0-1.0   (+0 -0 =2 )   23.7   +12
 - Texel 1.06 64-bit                 3044   2.5-3.5   (+1 -2 =3 )   40.8   -41
 - iCE 3.0 64-bit                    3041   3.0-3.0   (+1 -1 =4 )   47.7    +1
 - Laser 1.4 64-bit                  3021   5.5-6.5   (+3 -4 =5 )   85.5   -43
 - Naum 4.6 64-bit                   3016   1.5-0.5   (+1 -0 =1 )   93.9  +133
 - Nemorino 3.0 64-bit               3000  13.0-13.0  (+7 -7 =12)   99.0   -41
 - SmarThink 1.97 64-bit             2998   8.5-3.5   (+6 -1 =5 )   99.3   +94
 - Pedone 1.6 64-bit                 2976  12.5-7.5   (+7 -2 =11)  100.0    +8
 - Arasan 20.1 64-bit                2964   7.5-2.5   (+5 -0 =5 )  100.0   +75
 - Vajolet2 2.2 64-bit               2961   6.5-3.5   (+4 -1 =5 )  100.0    +7
 - Hakkapeliitta 3.0 64-bit          2956   6.5-3.5   (+4 -1 =5 )  100.0     0
 - Naum 4 64-bit                     2956   6.0-4.0   (+3 -1 =6 )  100.0   -21
 - Crafty 25.2 64-bit                2937   6.5-3.5   (+5 -2 =3 )  100.0    -3
 - Stockfish 1.6.3 32-bit            2933   6.0-4.0   (+2 -0 =8 )  100.0   -54
 - Wasp 2.01 64-bit                  2926   7.0-3.0   (+5 -1 =4 )  100.0    +9
 - Critter 0.80 32-bit               2923   5.5-3.5   (+3 -1 =5 )  100.0   -58
 - Cheng 4.39 64-bit                 2921   6.5-3.5   (+5 -2 =3 )  100.0   -14
 - Bobcat 8.0 64-bit                 2916   7.0-3.0   (+4 -0 =6 )  100.0   -12
 - ChessBrainVB 3.31                 2913  16.0-4.0   (+13-1 =6 )  100.0   +86
 - Rybka 1.2 64-bit                  2898   8.0-2.0   (+6 -0 =4 )  100.0   +58
 - Amoeba 2.5 64-bit                 2873  12.5-3.5   (+9 -0 =7 )  100.0   +14


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