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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Onno 1.0 32-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:
Onno 1.0 32-bit has no rank with rating of 2795 Elo points (+19 -19),
based on 869 games: 175 wins, 266 losses and 428 draws
Score: 44.8%, Average opponent: +33.9, Draws: 49.3%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Rybka 3 32-bit                     2995   6.5-23.5  (+3 -20=7 )    0.0   -10
 - Stockfish 1.6.3 32-bit             2934   4.5-25.5  (+1 -22=7 )    0.0  -129
 - Shredder 12 32-bit                 2930  15.0-47.0  (+6 -38=18)    0.0   -46
 - Naum 4 32-bit                      2930  11.0-19.0  (+2 -10=18)    0.0   +60
 - Fritz 12                           2887   8.5-21.5  (+1 -14=15)    0.0   -38
 - Stockfish 1.5.1 32-bit             2865   8.0-22.0  (+2 -16=12)    0.0   -81
 - Fritz 11                           2853  11.5-18.5  (+4 -11=15)    0.0   -13
 - Thinker 5.4c Inert 32-bit          2852  13.0-17.0  (+3 -7 =20)    0.0   +19
 - Stockfish 1.4 64-bit               2850  13.5-18.5  (+7 -12=13)    0.0    +5
 - Shredder 11                        2833  14.5-15.5  (+6 -7 =17)    0.0   +26
 - Stockfish 1.4 32-bit               2831  15.0-15.0  (+9 -9 =12)    0.2   +37
 - Grapefruit 1.0 32-bit              2827  12.0-18.0  (+3 -9 =18)    0.1   -24
 - Deep Sjeng WC2008 32-bit           2826  16.0-14.0  (+6 -4 =20)    0.3   +48
 - Onno 1.0 64-bit                    2820  24.5-36.5  (+3 -15=43)    2.4   -27
 - Hiarcs 12.1                        2818  16.0-14.0  (+7 -5 =18)    1.7   +41
 - Hiarcs 12 Sharpen PV On            2814  13.5-16.5  (+6 -9 =15)    4.8   -10
 - Zappa Mexico II 32-bit             2810  14.0-16.0  (+5 -7 =18)    9.2    -3
 - Cheng4 0.36c 64-bit                2799   6.0-4.0   (+3 -1 =6 )   38.4   +63
 - Spark 0.3 32-bit                   2798  18.0-12.0  (+13-7 =10)   41.7   +71
 - Doch 09.980 32-bit                 2796  16.5-13.5  (+8 -5 =17)   48.2   +28
 - Stockfish 1.3.1 32-bit             2794  15.0-15.0  (+7 -7 =16)   53.5    -3
 - Naraku 1.4                         2777   4.5-5.5   (+3 -4 =3 )   93.1   -54
 - Bright 0.4a                        2777  18.5-11.5  (+12-5 =13)   95.6   +55
 - Loop 13.6 (Loop 2007) 32-bit       2774  16.5-13.5  (+5 -2 =23)   97.8    +3
 - Ktulu 9                            2754  17.5-12.5  (+10-5 =15)  100.0   +11
 - chess22k 1.5 64-bit                2751   5.0-5.0   (+1 -1 =8 )   99.8   -44
 - Arasan 16.1 64-bit                 2730   6.5-3.5   (+5 -2 =3 )  100.0   +44
 - RuyDos 1.0.22 64-bit               2721   6.5-3.5   (+4 -1 =5 )  100.0   +12
 - SmarThink 1.10 32-bit              2719  13.0-7.0   (+8 -2 =10)  100.0   +14
 - Rhetoric 1.2 64-bit                2695   5.5-4.5   (+3 -2 =5 )  100.0   -76
 - Chessmaster 11 Conqueror           2691   4.0-6.0   (+3 -5 =2 )  100.0  -173
 - Gogobello 1.4 64-bit               2689   5.5-2.5   (+5 -2 =1 )  100.0   +45
 - Tornado 4.82 32-bit                2682   8.0-2.0   (+6 -0 =4 )  100.0   +82
 - ChessBrainVB 2.05                  2668   5.5-0.5   (+5 -0 =1 )  100.0  +230


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