CCRL Blitz
Downloads and Statistics
July 4, 2020
Testing summary:
Total: 2'318'734 games
played by 2'727 programs

White wins: 893'537 (38.5%)
Black wins: 718'844 (31.0%)
Draws: 706'353 (30.5%)
White score: 53.8%

Engine Details

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Rybka 2.3 LK 32-bit in CCRL Blitz, 2020-07-04
Ponder off, General book up to 12 moves, up to 6 piece EGTB
Time control: From Jan 2020, equivalent to 2'+1" on an Intel i7-4770K. See the "about" page.
Tested by CCRL team, 2005-2020, http://ccrl.chessdom.com/ccrl/404/

CCRL Blitz 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: −203.3, 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
 - Fruit 2.2.1                         2751  21.5-10.5  (+16-5 =11)  100.0   -30
 - Fritz 9                             2750  22.5-9.5   (+18-5 =9 )  100.0    -8
 - 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 July 4, 2020