CCRL 40/40
Downloads and Statistics
September 21, 2019
Testing summary:
Total: 1'084'933 games
played by 2'536 programs
148136 CPU days (X2 4600+)

White wins: 376'624 (34.7%)
Black wins: 280'046 (25.8%)
Draws: 428'263 (39.5%)
White score: 54.5%

Engine Details

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Naum 4 64-bit 4CPU in CCRL 40/40, 2019-09-21
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 64-bit 4CPU has no rank with rating of 3046 Elo points (+17 -17),
based on 1164 games: 442 wins, 201 losses and 521 draws
Score: 60.4%, Average opponent: −67.6, Draws: 44.8%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Vajolet2 2.6.1 64-bit 4CPU         3136   5.5-10.5  (+3 -8 =5 )    0.0   -14
 - ChessBrainVB 3.68 4CPU             3124   5.5-10.5  (+1 -6 =9 )    0.0   -11
 - Rybka 3 64-bit 4CPU                3123  24.0-51.0  (+7 -34=34)    0.0   -35
 - Rybka 3 Human 64-bit 4CPU          3121  21.5-40.5  (+8 -27=27)    0.0   -18
 - Arasan 20.4.1 64-bit 4CPU          3120   3.0-7.0   (+1 -5 =4 )    0.0   -49
 - ChessBrainVB 3.66 4CPU             3107   6.0-10.0  (+2 -6 =8 )    0.0   -10
 - Xiphos 0.2.2 64-bit 4CPU           3103   8.5-7.5   (+5 -4 =7 )    0.0   +77
 - Nemorino 4.00 64-bit 4CPU          3096   6.0-12.0  (+1 -7 =10)    0.0   -45
 - Wasp 3.0 64-bit 4CPU               3061   8.5-7.5   (+4 -3 =9 )   18.2   +31
 - Rybka 3 64-bit                     3048  31.5-27.5  (+15-11=33)   43.4   +21
 - Stockfish 1.6.3 64-bit 4CPU        3041  20.0-28.0  (+7 -15=26)   65.7   -51
 - Deep Shredder 12 64-bit 4CPU       3019  59.5-49.5  (+31-21=57)   99.8     0
 - Deep Fritz 11 4CPU                 2991  21.5-18.5  (+5 -2 =33)  100.0   -38
 - Stockfish 1.5.1 64-bit 4CPU        2971  18.5-15.5  (+10-7 =17)  100.0   -50
 - Zappa Mexico II 64-bit 4CPU        2970  20.0-12.0  (+11-3 =18)  100.0    -5
 - Stockfish 1.4 64-bit 4CPU          2949  32.5-15.5  (+22-5 =21)  100.0   +13
 - Deep Sjeng WC2008 64-bit 4CPU      2926  33.0-15.0  (+23-5 =20)  100.0     0
 - Thinker 5.4c Inert 64-bit 4CPU     2924  36.0-13.0  (+26-3 =20)  100.0   +31
 - Deep Shredder 11 64-bit 4CPU       2917  33.0-14.0  (+26-7 =14)  100.0   +12
 - Thinker 5.4a Inert 64-bit 4CPU     2906  29.0-14.0  (+19-4 =20)  100.0   -30
 - Hiarcs 12.1 4CPU                   2905  36.5-11.5  (+26-1 =21)  100.0   +24
 - Toga II 1.4.1SE 4CPU               2905  31.5-10.5  (+23-2 =17)  100.0   +22
 - Glaurung 2.2 64-bit 4CPU           2897  32.5-7.5   (+27-2 =11)  100.0   +78
 - Bright 0.4a 4CPU                   2897  44.0-10.0  (+36-2 =16)  100.0   +76
 - Hiarcs 12 4CPU                     2894  33.0-9.0   (+28-4 =10)  100.0   +62
 - Hiarcs Paderborn 2007 4CPU         2891  36.5-13.5  (+27-4 =19)  100.0    -5
 - Glaurung 2.1 64-bit 4CPU           2870  31.5-10.5  (+24-3 =15)  100.0    -6
 - Loop M1-T 64-bit 4CPU              2850  34.0-10.0  (+24-0 =20)  100.0   -25


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