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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Onno 1.0 32-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:
Onno 1.0 32-bit has no rank with rating of 2794 Elo points (+19 -19),
based on 861 games: 170 wins, 264 losses and 427 draws
Score: 44.5%, Average opponent: +35.3, Draws: 49.6%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Rybka 3 32-bit                    2994   6.5-23.5  (+3 -20=7 )    0.0   -10
 - Stockfish 1.6.3 32-bit            2933   4.5-25.5  (+1 -22=7 )    0.0  -129
 - Shredder 12 32-bit                2930  15.0-47.0  (+6 -38=18)    0.0   -45
 - Naum 4 32-bit                     2929  11.0-19.0  (+2 -10=18)    0.0   +60
 - Fritz 12                          2886   8.5-21.5  (+1 -14=15)    0.0   -38
 - Stockfish 1.5.1 32-bit            2864   8.0-22.0  (+2 -16=12)    0.0   -81
 - Fritz 11                          2852  11.5-18.5  (+4 -11=15)    0.0   -13
 - Thinker 5.4c Inert 32-bit         2850  13.0-17.0  (+3 -7 =20)    0.0   +18
 - Stockfish 1.4 64-bit              2850  13.5-18.5  (+7 -12=13)    0.0    +6
 - Shredder 11                       2832  14.5-15.5  (+6 -7 =17)    0.0   +26
 - Stockfish 1.4 32-bit              2830  15.0-15.0  (+9 -9 =12)    0.2   +37
 - Grapefruit 1.0 32-bit             2826  12.0-18.0  (+3 -9 =18)    0.1   -24
 - Deep Sjeng WC2008 32-bit          2825  16.0-14.0  (+6 -4 =20)    0.3   +48
 - Onno 1.0 64-bit                   2819  24.5-36.5  (+3 -15=43)    2.1   -27
 - Hiarcs 12.1                       2818  16.0-14.0  (+7 -5 =18)    1.6   +42
 - Hiarcs 12 Sharpen PV On           2814  13.5-16.5  (+6 -9 =15)    4.6    -9
 - Zappa Mexico II 32-bit            2809  14.0-16.0  (+5 -7 =18)    8.8    -3
 - Cheng4 0.36c 64-bit               2798   6.0-4.0   (+3 -1 =6 )   37.9   +63
 - Spark 0.3 32-bit                  2797  18.0-12.0  (+13-7 =10)   41.0   +71
 - Doch 09.980 32-bit                2795  16.5-13.5  (+8 -5 =17)   47.2   +28
 - Stockfish 1.3.1 32-bit            2793  15.0-15.0  (+7 -7 =16)   52.8    -3
 - Bright 0.4a                       2776  18.5-11.5  (+12-5 =13)   95.8   +55
 - Naraku 1.4                        2776   4.5-5.5   (+3 -4 =3 )   92.8   -54
 - Loop 13.6 (Loop 2007) 32-bit      2773  16.5-13.5  (+5 -2 =23)   97.5    +3
 - Ktulu 9                           2753  17.5-12.5  (+10-5 =15)  100.0   +11
 - chess22k 1.5 64-bit               2750   5.0-5.0   (+1 -1 =8 )   99.7   -44
 - Arasan 16.1 64-bit                2729   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   +13
 - SmarThink 1.10 32-bit             2718  13.0-7.0   (+8 -2 =10)  100.0   +14
 - Rhetoric 1.2 64-bit               2694   5.5-4.5   (+3 -2 =5 )  100.0   -76
 - Chessmaster 11 Conqueror          2690   4.0-6.0   (+3 -5 =2 )  100.0  -173
 - Tornado 4.82 32-bit               2681   8.0-2.0   (+6 -0 =4 )  100.0   +82
 - ChessBrainVB 2.05                 2667   5.5-0.5   (+5 -0 =1 )  100.0  +230


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