CCRL 40/40
Downloads and Statistics
July 11, 2019
Testing summary:
Total: 1'066'603 games
played by 2'494 programs
145750 CPU days (X2 4600+)

White wins: 370'641 (34.7%)
Black wins: 275'905 (25.9%)
Draws: 420'057 (39.4%)
White score: 54.4%

Engine Details

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Naum 2.2 64-bit 4CPU in CCRL 40/40, 2019-07-11
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 2.2 64-bit 4CPU has no rank with rating of 2904 Elo points (+17 -18),
based on 1018 games: 335 wins, 215 losses and 468 draws
Score: 55.9%, Average opponent: −37.8, Draws: 46.0%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Rybka 2.3.2a 64-bit 4CPU           3017  17.5-38.5  (+3 -24=29)    0.0    +1
 - Rybka 2.1 64-bit 4CPU              2997   1.0-1.0   (+0 -0 =2 )    0.0   +93
 - Zappa Mexico II 64-bit 4CPU        2969   0.5-1.5   (+0 -1 =1 )    0.0   -92
 - Rybka 2.3.2a 64-bit                2961  19.5-30.5  (+6 -17=27)    0.0    -7
 - Zappa Mexico 64-bit 4CPU           2959  48.5-66.5  (+21-39=55)    0.0    +8
 - Fizbo 1.31 64-bit 4CPU             2955   5.0-5.0   (+3 -3 =4 )    0.2   +46
 - Crafty 25.0 64-bit 4CPU            2950   6.5-3.5   (+4 -1 =5 )    0.2  +129
 - Zap!Chess Zanzibar 64-bit 4CPU     2948  22.0-29.0  (+10-17=24)    0.1    +3
 - Deep Shredder 11 64-bit 4CPU       2916  17.5-31.5  (+10-24=15)   11.7   -87
 - Deep Fritz 10.1 4CPU               2887  26.0-24.0  (+15-13=22)   90.6    -6
 - Toga II 1.4 beta5c 4CPU            2885  15.0-19.0  (+8 -12=14)   93.7   -53
 - Hiarcs 11.1 4CPU                   2876  27.0-23.0  (+12-8 =30)   98.9    -6
 - Hiarcs 11.2 4CPU                   2862  20.0-16.0  (+11-7 =18)   99.6   -13
 - Loop M1-T 64-bit 4CPU              2849  38.5-20.5  (+23-5 =31)  100.0   +32
 - Deep Shredder 10 64-bit 4CPU       2831  29.0-21.0  (+17-9 =24)  100.0   -25
 - Deep Fritz 10 4CPU                 2830  33.0-19.0  (+23-9 =20)  100.0   +11
 - Bright 0.3a 4CPU                   2830   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Glaurung 2.0.1 64-bit 4CPU         2829  36.5-24.5  (+21-9 =31)  100.0   -15
 - Bright 0.2c 4CPU                   2805  24.0-10.0  (+17-3 =14)  100.0   +32
 - Deep Junior 10 4CPU                2802  23.0-10.0  (+14-1 =18)  100.0   +11
 - Toga II 1.3.1                      2789  23.5-7.5   (+18-2 =11)  100.0   +56
 - Deep Sjeng 2.7 4CPU                2780  26.5-12.5  (+17-3 =19)  100.0   -14
 - Glaurung 1.2.1 64-bit 4CPU         2765  36.5-12.5  (+27-3 =19)  100.0   +19
 - Spike 1.2 Turin                    2745  36.5-13.5  (+25-2 =23)  100.0   -15
 - Scorpio 2.0 32-bit 4CPU            2731   7.0-3.0   (+6 -2 =2 )  100.0   -25
 - Ktulu 8                            2705  27.0-6.0   (+22-1 =10)  100.0   +26


Created in 2005-2013 by CCRL team
Last games added on July 11, 2019