CCRL 40/4
Downloads and Statistics
September 21, 2019
Testing summary:
Total: 2'102'110 games
played by 2'449 programs
28319 CPU days (X2 4600+)

White wins: 816'272 (38.8%)
Black wins: 660'160 (31.4%)
Draws: 625'678 (29.8%)
White score: 53.7%

Engine Details

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Rybka 2.3 32-bit in CCRL 40/4, 2019-09-21
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:
Rybka 2.3 32-bit has no rank with rating of 2874 Elo points (+32 -31),
based on 431 games: 279 wins, 41 losses and 111 draws
Score: 77.6%, Average opponent: −204.5, Draws: 25.8%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Rybka 2.2 32-bit                   2893   7.5-8.5   (+5 -6 =5 )   13.1    -6
 - Hiarcs 11                          2791  14.0-2.0   (+13-1 =2 )  100.0  +242
 - Toga II 1.3.1                      2772   9.5-6.5   (+7 -4 =5 )  100.0   -40
 - Fritz 9                            2750  12.5-3.5   (+10-1 =5 )  100.0   +73
 - Naum 2.1 32-bit                    2738  12.5-3.5   (+10-1 =5 )  100.0   +61
 - Spike 1.2 Turin                    2731  10.5-5.5   (+8 -3 =5 )  100.0   -37
 - Glaurung 1.2.1 32-bit              2657  12.0-4.0   (+8 -0 =8 )  100.0   -66
 - Scorpio 1.81                       2648  52.0-12.0  (+45-5 =14)  100.0   +10
 - Scorpio 1.9                        2641  62.5-17.5  (+52-7 =21)  100.0   -29
 - Scorpio 1.91                       2641  25.0-7.0   (+22-4 =6 )  100.0   -15
 - Scorpio 1.82                       2638  26.5-5.5   (+22-1 =9 )  100.0    +1
 - Scorpio 1.84                       2633  51.0-12.0  (+42-3 =18)  100.0   -16
 - Scorpio 1.8                        2624  25.0-7.0   (+23-5 =4 )  100.0   -17
 - WildCat 7                          2606  14.0-2.0   (+12-0 =4 )  100.0   +18


Created in 2005-2013 by CCRL team
Last games added on September 21, 2019