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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Naum 4.1 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:
Naum 4.1 64-bit 4CPU has no rank with rating of 3056 Elo points (+28 -28),
based on 398 games: 147 wins, 67 losses and 184 draws
Score: 60.1%, Average opponent: −65.1, Draws: 46.2%


Pairwise results:
     Opponent                        Elo     Score                  LOS   Perf
 - Rybka 3 64-bit 4CPU               3123  16.0-33.0  (+4 -21=24)    0.0   -37
 - Vajolet2 2.5 64-bit 4CPU          3097   9.5-12.5  (+3 -6 =13)    1.5    +2
 - Naum 4.2 64-bit 4CPU              3061   7.0-8.0   (+2 -3 =10)   37.1   -11
 - Stockfish 1.6.3 64-bit 4CPU       3040  28.0-20.0  (+16-8 =24)   81.8   +34
 - Deep Shredder 12 64-bit 4CPU      3018  23.5-19.5  (+13-9 =21)   99.4    -9
 - Zappa Mexico II 64-bit 4CPU       2969  30.5-16.5  (+18-4 =25)  100.0     0
 - Spark 0.3 64-bit 4CPU             2928  31.0-15.0  (+23-7 =16)  100.0   -10
 - Deep Sjeng WC2008 64-bit 4CPU     2926  37.0-10.0  (+30-3 =14)  100.0   +72
 - Komodo 1.0 64-bit                 2922  20.5-11.5  (+11-2 =19)  100.0   -55
 - Hiarcs 12.1 4CPU                  2905  36.0-13.0  (+27-4 =18)  100.0    +4


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