CCRL 40/40
Downloads and Statistics
June 15, 2019
Testing summary:
Total: 1'059'406 games
played by 2'473 programs
144801 CPU days (X2 4600+)

White wins: 368'317 (34.8%)
Black wins: 274'199 (25.9%)
Draws: 416'890 (39.4%)
White score: 54.4%

Engine Details

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Sting SF 9.99 64-bit in CCRL 40/40, 2019-06-15
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 9.99 64-bit has no rank with rating of 3037 Elo points (+29 -29),
based on 350 games: 85 wins, 83 losses and 182 draws
Score: 50.3%, Average opponent: −4.6, Draws: 52.0%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Andscacs 0.94 64-bit               3172   2.5-7.5   (+0 -5 =5 )    0.0   -16
 - Xiphos 0.4 64-bit                  3152   2.5-7.5   (+0 -5 =5 )    0.0   -33
 - Booot 6.2 64-bit                   3144   4.0-6.0   (+1 -3 =6 )    0.0   +47
 - Laser 1.6 64-bit                   3130   2.5-7.5   (+0 -5 =5 )    0.0   -58
 - Roc 0.7 64-bit                     3116   4.5-5.5   (+2 -3 =5 )    0.0   +51
 - Chiron 4 64-bit                    3114   1.5-8.5   (+0 -7 =3 )    0.0  -173
 - NirvanaChess 2.4 64-bit            3102   5.0-5.0   (+2 -2 =6 )    0.0   +61
 - Equinox 3.20 64-bit                3097   4.0-6.0   (+4 -6 =0 )    0.0   -25
 - Fritz 15 64-bit                    3095   4.0-6.0   (+1 -3 =6 )    0.0     0
 - Nemorino 5.00 64-bit               3089   6.5-9.5   (+1 -4 =11)    0.1    +3
 - Laser 1.5 64-bit                   3072   1.5-2.5   (+0 -1 =3 )    1.6   -32
 - Vajolet2 2.6 64-bit                3060   9.0-15.0  (+1 -7 =16)    7.9   -41
 - Pedone 1.8 64-bit                  3060  14.0-16.0  (+3 -5 =22)    8.5    +4
 - Arasan 21.0 64-bit                 3042   2.0-2.0   (+1 -1 =2 )   39.6    +5
 - Nemorino 4.00 64-bit               3040   2.0-2.0   (+1 -1 =2 )   43.8    +3
 - Gull 3.1 64-bit                    3039   3.0-7.0   (+0 -4 =6 )   45.9  -112
 - Senpai 2.0 64-bit                  3037   2.5-1.5   (+1 -0 =3 )   50.6   +67
 - Stockfish 1.8 64-bit               3028   4.5-5.5   (+1 -2 =7 )   69.7   -36
 - ChessBrainVB 3.68                  3026   2.5-1.5   (+2 -1 =1 )   73.9   +80
 - SmarThink 1.98 64-bit              3026   3.0-1.0   (+3 -1 =0 )   75.5  +215
 - IvanHoe 9.46h 32-bit               3023   5.5-4.5   (+2 -1 =7 )   80.2   +10
 - Rybka 3 Dynamic 64-bit             3022   6.5-3.5   (+4 -1 =5 )   77.8   +71
 - Critter 1.01 32-bit                3020   6.5-3.5   (+4 -1 =5 )   84.5   +74
 - Pedone 1.7 64-bit                  3013   2.5-1.5   (+1 -0 =3 )   92.1   +43
 - Komodo 2.03 32-bit                 3006   5.5-4.5   (+2 -1 =7 )   96.7    -6
 - Hakkapeliitta TCEC v2 64-bit       2998   1.5-2.5   (+0 -1 =3 )   99.3  -106
 - Defenchess (SCTR) 1.1f 64-bit      2997   7.0-7.0   (+3 -3 =8 )   99.4   -40
 - Rodent III 0.275 64-bit            2984   6.5-3.5   (+4 -1 =5 )   99.9   +34
 - Naum 4 64-bit                      2954   8.5-1.5   (+7 -0 =3 )  100.0  +172
 - Bobcat 8.0 64-bit                  2924   3.5-0.5   (+3 -0 =1 )  100.0  +169
 - Arasan 19.1 64-bit                 2923   3.0-7.0   (+1 -5 =4 )  100.0  -237
 - ChessBrainVB 3.31                  2915   7.5-2.5   (+6 -1 =3 )  100.0   +57
 - Quazar 0.4 64-bit                  2906   7.5-2.5   (+5 -0 =5 )  100.0   +17
 - Nemorino 1.02 64-bit               2905   8.0-2.0   (+6 -0 =4 )  100.0   +60
 - Atlas 3.91 64-bit                  2900   6.5-3.5   (+5 -2 =3 )  100.0   -28
 - Pirarucu 2.3.8 64-bit              2852   9.0-1.0   (+8 -0 =2 )  100.0  +143


Created in 2005-2013 by CCRL team
Last games added on June 15, 2019