CCRL 40/4
Downloads and Statistics
July 20, 2019
Testing summary:
Total: 2'069'919 games
played by 2'400 programs
27811 CPU days (X2 4600+)

White wins: 804'066 (38.8%)
Black wins: 650'528 (31.4%)
Draws: 615'325 (29.7%)
White score: 53.7%

Engine Details

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Onno 1.0 64-bit in CCRL 40/4, 2019-07-20
Ponder off, General book (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern Intel CPU.
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
Onno 1.0 64-bit has no rank with rating of 2830 Elo points (+17 -17),
based on 1196 games: 464 wins, 290 losses and 442 draws
Score: 57.3%, Average opponent: −50.8, Draws: 37.0%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Rybka 3 64-bit                     3078   8.5-41.5  (+2 -35=13)    0.0    +2
 - Naum 4 64-bit                      2947  17.5-32.5  (+8 -23=19)    0.0   +18
 - Fritz 11                           2888  22.0-28.0  (+12-18=20)    0.0   +20
 - Thinker 5.4c Inert 64-bit          2883  20.0-30.0  (+10-20=20)    0.0    -9
 - Stockfish 1.4 64-bit               2873  21.0-29.0  (+14-22=14)    0.0   -13
 - Stockfish 1.3.1 64-bit             2844  28.0-22.0  (+17-11=22)   13.3   +53
 - Zappa Mexico II 64-bit             2843  21.5-28.5  (+12-19=19)    7.2   -32
 - Deep Shredder 11 64-bit            2842  22.0-28.0  (+12-18=20)   10.9   -22
 - Deep Sjeng WC2008 64-bit           2842  24.5-25.5  (+15-16=19)   10.5    +4
 - Hiarcs 12                          2835  25.0-25.0  (+15-15=20)   31.9    +5
 - Hiarcs 12.1                        2833  30.0-20.0  (+23-13=14)   38.9   +70
 - Toga II 1.4.1SE                    2823  27.5-22.5  (+14-9 =27)   76.0   +21
 - Glaurung 2.2 64-bit                2801  25.0-25.0  (+14-14=22)   99.6   -30
 - Fruit 05/11/03                     2792  16.5-15.5  (+7 -6 =19)  100.0   -28
 - Bright 0.4a                        2779  26.5-23.5  (+15-12=23)  100.0   -32
 - Spike 1.2 Turin                    2731  56.0-26.0  (+39-9 =34)  100.0   +17
 - BugChess2 1.6.3 64-bit             2669  25.0-7.0   (+20-2 =10)  100.0   +33
 - Booot 4.15.0                       2665  22.0-10.0  (+15-3 =14)  100.0   -48
 - Alaric 707                         2663  25.5-6.5   (+21-2 =9 )  100.0   +45
 - Colossus 2008b                     2641  23.0-9.0   (+16-2 =14)  100.0   -52
 - E.T. Chess 13.01.08                2634  23.0-9.0   (+16-2 =14)  100.0   -59
 - Alfil 8.1.1 Optimized              2625  25.0-7.0   (+21-3 =8 )  100.0    +2
 - WildCat 8                          2623  23.5-8.5   (+19-4 =9 )  100.0   -39
 - Movei 00.8.438 (10 10 10)          2623  24.0-8.0   (+20-4 =8 )  100.0   -22
 - Slow Chess Blitz WV2.1             2614  27.5-4.5   (+24-1 =7 )  100.0   +65
 - Ruffian 2.1.0                      2610  23.5-6.5   (+19-2 =9 )  100.0   -18
 - Sloppy 0.2.0 64-bit                2607  25.0-7.0   (+20-2 =10)  100.0   -25
 - GarboChess 2.10 64-bit             2598  26.5-5.5   (+24-3 =5 )  100.0   +36


Created in 2005-2013 by CCRL team
Last games added on July 20, 2019