CCRL 40/4
Downloads and Statistics
November 14, 2019
Testing summary:
Total: 2'129'428 games
played by 2'486 programs
28790 CPU days (X2 4600+)

White wins: 825'928 (38.8%)
Black wins: 667'489 (31.3%)
Draws: 636'011 (29.9%)
White score: 53.7%

Engine Details

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Naum 4.1 64-bit 4CPU in CCRL 40/4, 2019-11-14
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 CPU.
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/404/

CCRL 40/4 main list:
Naum 4.1 64-bit 4CPU has no rank with rating of 3070 Elo points (+15 -15),
based on 1439 games: 590 wins, 273 losses and 576 draws
Score: 61.0%, Average opponent: −76.4, Draws: 40.0%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Rybka 3 64-bit 4CPU                3166  15.0-35.0  (+6 -26=18)    0.0   -34
 - Stockfish 1.7.1 64-bit 4CPU        3141  26.0-39.0  (+14-27=24)    0.0    +7
 - Naum 4.2 64-bit 4CPU               3099  31.5-32.5  (+14-15=35)    0.0   +24
 - Stockfish 1.6s JA 64-bit 4CPU      3093  24.5-25.5  (+15-16=19)    0.9   +17
 - Stockfish 1.6.3 64-bit 4CPU        3090  47.0-53.0  (+22-28=50)    2.2     0
 - Naum 4 64-bit 4CPU                 3061  52.5-46.5  (+24-18=57)   83.7    +9
 - Deep Shredder 12 64-bit 4CPU       3042  85.5-64.5  (+57-36=57)  100.0   +17
 - Rybka 2.2 64-bit 4CPU              3002  28.5-21.5  (+13-6 =31)  100.0   -29
 - Spark 0.4 64-bit 4CPU              2989  42.5-20.5  (+29-7 =27)  100.0   +28
 - Zappa Mexico II 64-bit 4CPU        2971  30.0-20.0  (+19-9 =22)  100.0   -35
 - Spark 0.3 64-bit 4CPU              2969  33.5-16.5  (+21-4 =25)  100.0    +3
 - Spark 0.3a 64-bit 4CPU             2962  33.5-16.5  (+25-8 =17)  100.0    +6
 - Thinker 5.4c Inert 64-bit 4CPU     2952  30.5-19.5  (+21-10=19)  100.0   -45
 - Zappa Mexico 64-bit 4CPU           2946  33.0-17.0  (+25-9 =16)  100.0   -14
 - Deep Junior 11.1a 64-bit 4CPU      2943  32.5-17.5  (+20-5 =25)  100.0   -36
 - Hiarcs 12 4CPU                     2941  32.0-18.0  (+25-11=14)  100.0   -29
 - Deep Sjeng WC2008 64-bit 4CPU      2941  33.0-17.0  (+22-6 =22)  100.0   -31
 - Hiarcs 12.1 4CPU                   2939  37.0-13.0  (+28-4 =18)  100.0   +29
 - Deep Sjeng 3.0 64-bit 4CPU         2930  30.5-19.5  (+23-12=15)  100.0   -62
 - Bright 0.4a 4CPU                   2910  35.0-15.0  (+28-8 =14)  100.0   -20
 - Bright 0.5c 4CPU                   2906  40.0-10.0  (+33-3 =14)  100.0   +53
 - Toga II 1.4 beta5c 4CPU            2904  38.5-11.5  (+28-1 =21)  100.0    +6
 - Loop M1-T 64-bit 4CPU              2881  39.5-8.5   (+35-4 =9 )  100.0   +69
 - Spike 1.2 Turin                    2731  46.5-3.5   (+43-0 =7 )  100.0   +54


Created in 2005-2013 by CCRL team
Last games added on November 14, 2019