CCRL 40/40
Downloads and Statistics
August 17, 2019
Testing summary:
Total: 1'075'629 games
played by 2'520 programs
147029 CPU days (X2 4600+)

White wins: 373'444 (34.7%)
Black wins: 277'846 (25.8%)
Draws: 424'339 (39.5%)
White score: 54.4%

Engine Details

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Rybka 3 Human 64-bit 4CPU in CCRL 40/40, 2019-08-17
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, 2005-2019, http://computerchess.org.uk/ccrl/4040/

CCRL 40/40 main list:
Rybka 3 Human 64-bit 4CPU has no rank with rating of 3121 Elo points (+39 -38),
based on 213 games: 88 wins, 29 losses and 96 draws
Score: 63.8%, Average opponent: −93.3, Draws: 45.1%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Rybka 3 64-bit 4CPU               3123  27.0-33.0  (+7 -13=40)   45.6   -23
 - Rybka 3 64-bit                    3047   4.5-1.5   (+3 -0 =3 )  100.0   +77
 - Naum 4 64-bit 4CPU                3046  40.5-21.5  (+27-8 =27)  100.0   +18
 - Rybka 2.3.2a 64-bit 4CPU          3018   5.0-1.0   (+4 -0 =2 )  100.0  +123
 - Zappa Mexico II 64-bit 4CPU       2969  23.0-9.0   (+18-4 =10)  100.0    -5
 - Naum 3.1 64-bit 4CPU              2969   4.5-1.5   (+3 -0 =3 )  100.0    -4
 - Deep Sjeng WC2008 64-bit 4CPU     2926  16.0-7.0   (+12-3 =8 )  100.0   -65
 - Deep Sjeng 3.0 64-bit 4CPU        2909   5.5-0.5   (+5 -0 =1 )  100.0  +146
 - Hiarcs 12 4CPU                    2894   5.0-1.0   (+5 -1 =0 )  100.0   +94
 - Hiarcs Paderborn 2007 4CPU        2891   5.0-1.0   (+4 -0 =2 )  100.0    -4


Created in 2005-2013 by CCRL team
Last games added on August 17, 2019