CCRL 40/40
Downloads and Statistics
February 17, 2018
Testing summary:
Total: 795'341 games
played by 2'045 programs
110322 CPU days (X2 4600+)

White wins: 272'710 (34.3%)
Black wins: 201'857 (25.4%)
Draws: 320'774 (40.3%)
White score: 54.5%

Engine Details

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Sting SF 8.1 64-bit in CCRL 40/40, 2018-02-17
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:
Sting SF 8.1 64-bit has no rank with rating of 3042 Elo points (+28 -28),
based on 377 games: 115 wins, 79 losses and 183 draws
Score: 54.8%, Average opponent: −29.5, Draws: 48.5%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Stockfish 8 64-bit                 3304   0.0-4.0   (+0 -4 =0 )    0.0  -INF
 - Fizbo 1.9 64-bit                   3178   1.5-2.5   (+0 -1 =3 )    0.0   +68
 - Fire 5 64-bit                      3177   0.5-3.5   (+0 -3 =1 )    0.0  -154
 - Booot 6.2 64-bit                   3149   0.5-3.5   (+0 -3 =1 )    0.0  -175
 - Andscacs 0.91 64-bit               3144   4.5-9.5   (+0 -5 =9 )    0.0    +6
 - Roc 0.7 64-bit                     3124   2.0-4.0   (+1 -3 =2 )    0.0   -34
 - Chiron 4 64-bit                    3112   5.5-6.5   (+2 -3 =7 )    0.0   +42
 - Fritz 15 64-bit                    3100   5.5-6.5   (+2 -3 =7 )    0.0   +33
 - Equinox 3.20 64-bit                3100   5.0-7.0   (+2 -4 =6 )    0.0   +12
 - Hannibal 1.7 64-bit                3084   2.0-4.0   (+1 -3 =2 )    0.3   -76
 - Texel 1.07 64-bit                  3079   4.0-8.0   (+1 -5 =6 )    1.5   -64
 - Bouquet 1.8 64-bit                 3078   1.0-1.0   (+0 -0 =2 )    0.9   +36
 - NirvanaChess 2.3 64-bit            3077   6.5-9.5   (+2 -5 =9 )    1.2   -17
 - Protector 1.9.0 64-bit             3064   9.0-7.0   (+5 -3 =8 )    7.2   +56
 - BlackMamba 2.0 64-bit              3062   5.0-7.0   (+3 -5 =4 )    9.6   -31
 - Alfil 15.7 64-bit                  3059   5.0-5.0   (+2 -2 =6 )   14.7   +17
 - Vitruvius 1.11C 64-bit             3053   1.0-1.0   (+0 -0 =2 )   25.6   +11
 - Texel 1.06 64-bit                  3045   2.5-3.5   (+1 -2 =3 )   42.2   -42
 - iCE 3.0 64-bit                     3040   3.0-3.0   (+1 -1 =4 )   54.4    -2
 - Laser 1.4 64-bit                   3027   5.5-6.5   (+3 -4 =5 )   81.1   -39
 - Naum 4.6 64-bit                    3018   1.5-0.5   (+1 -0 =1 )   93.9  +133
 - Nemorino 3.0 64-bit                2998  13.0-13.0  (+7 -7 =12)   99.5   -45
 - SmarThink 1.97 64-bit              2997   8.5-3.5   (+6 -1 =5 )   99.7   +91
 - Pedone 1.6 64-bit                  2978  12.5-7.5   (+7 -2 =11)  100.0    +8
 - Arasan 20.1 64-bit                 2965   7.5-2.5   (+5 -0 =5 )  100.0   +74
 - Vajolet2 2.2 64-bit                2962   6.5-3.5   (+4 -1 =5 )  100.0    +6
 - Hakkapeliitta 3.0 64-bit           2957   6.5-3.5   (+4 -1 =5 )  100.0     0
 - Naum 4 64-bit                      2957   6.0-4.0   (+3 -1 =6 )  100.0   -22
 - Crafty 25.2 64-bit                 2934   6.5-3.5   (+5 -2 =3 )  100.0    -8
 - Stockfish 1.6.3 32-bit             2934   6.0-4.0   (+2 -0 =8 )  100.0   -55
 - Wasp 2.01 64-bit                   2927   7.0-3.0   (+5 -1 =4 )  100.0    +8
 - Critter 0.80 32-bit                2924   5.5-3.5   (+3 -1 =5 )  100.0   -59
 - Cheng 4.39 64-bit                  2922   6.5-3.5   (+5 -2 =3 )  100.0   -15
 - Bobcat 8.0 64-bit                  2917   7.0-3.0   (+4 -0 =6 )  100.0   -13
 - ChessBrainVB 3.31                  2914  16.0-4.0   (+13-1 =6 )  100.0   +85
 - Rybka 1.2 64-bit                   2899   8.0-2.0   (+6 -0 =4 )  100.0   +57
 - Amoeba 2.5 64-bit                  2874  12.5-3.5   (+9 -0 =7 )  100.0   +13


Created in 2005-2013 by CCRL team
Last games added on February 17, 2018