CCRL 40/4
Downloads and Statistics
November 16, 2019
Testing summary:
Total: 2'132'153 games
played by 2'491 programs
28840 CPU days (X2 4600+)

White wins: 826'813 (38.8%)
Black wins: 668'076 (31.3%)
Draws: 637'264 (29.9%)
White score: 53.7%

Engine Details

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Rybka 2.3 LK 32-bit in CCRL 40/4, 2019-11-16
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 CPU.
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/404/

CCRL 40/4 main list:
Rybka 2.3 LK 32-bit has no rank with rating of 2897 Elo points (+24 -24),
based on 753 games: 491 wins, 87 losses and 175 draws
Score: 76.8%, Average opponent: −203.4, Draws: 23.2%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Hiarcs 11                          2790  20.0-12.0  (+15-7 =10)  100.0   -22
 - Toga II 1.3.1                      2772  22.5-9.5   (+17-4 =11)  100.0   +11
 - Toga II 1.2.1a 32-bit              2762  25.0-7.0   (+23-5 =4 )  100.0   +97
 - Hiarcs X50                         2756  21.5-10.5  (+16-5 =11)  100.0   -27
 - Fritz 9                            2750  22.5-9.5   (+18-5 =9 )  100.0    -8
 - Fruit 2.2.1                        2750  21.5-10.5  (+16-5 =11)  100.0   -31
 - Hiarcs X54 32-bit                  2744  19.0-13.0  (+14-8 =10)  100.0   -92
 - Naum 2.1 32-bit                    2738  24.5-7.5   (+20-3 =9 )  100.0   +31
 - Hiarcs 10                          2736  23.5-8.5   (+20-5 =7 )  100.0   +10
 - Spike 1.2 Turin                    2731  18.5-12.5  (+13-7 =11)  100.0  -102
 - Chess Tiger 2007.1                 2713  15.5-5.5   (+12-2 =7 )  100.0   -21
 - Chess Tiger 2007                   2700  26.5-3.5   (+23-0 =7 )  100.0  +103
 - Naum 2.0 32-bit                    2700  26.0-6.0   (+23-3 =6 )  100.0   +48
 - Glaurung 1.2.1 32-bit              2657  23.5-8.5   (+21-6 =5 )  100.0   -56
 - Scorpio 1.81                       2648  51.0-13.0  (+43-5 =16)  100.0   -30
 - Scorpio 1.91                       2641  23.5-7.5   (+20-4 =7 )  100.0   -65
 - Scorpio 1.9                        2641  55.0-9.0   (+49-3 =12)  100.0   +33
 - Scorpio 1.82                       2638  28.5-3.5   (+27-2 =3 )  100.0  +101
 - Scorpio 1.84                       2633  56.0-8.0   (+50-2 =12)  100.0   +39
 - Scorpio 1.8                        2624  27.0-5.0   (+25-3 =4 )  100.0   +18
 - ProDeo 1.2                         2608  27.5-4.5   (+26-3 =3 )  100.0   +31


Created in 2005-2013 by CCRL team
Last games added on November 16, 2019