CCRL 40/40
Downloads and Statistics
November 8, 2019
Testing summary:
Total: 1'097'085 games
played by 2'561 programs
149942 CPU days (X2 4600+)

White wins: 380'560 (34.7%)
Black wins: 282'789 (25.8%)
Draws: 433'736 (39.5%)
White score: 54.5%

Engine Details

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Naum 4.1 64-bit in CCRL 40/40, 2019-11-08
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 CPU.
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/4040/

CCRL 40/40 main list:
Naum 4.1 64-bit has no rank with rating of 2951 Elo points (+21 -21),
based on 676 games: 230 wins, 123 losses and 323 draws
Score: 57.9%, Average opponent: −52.2, Draws: 47.8%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Rybka 3 64-bit                     3048  23.5-46.5  (+8 -31=31)    0.0    -4
 - Stockfish 1.6.3 64-bit             2965  23.5-27.5  (+11-15=25)   16.2   -10
 - Naum 4 64-bit                      2956  28.0-24.0  (+10-6 =36)   36.7   +26
 - Stockfish 1.6s 64-bit              2952  24.0-27.0  (+11-14=26)   48.1   -16
 - Deep Shredder 12 64-bit            2940  22.0-19.0  (+10-7 =24)   83.0    +8
 - Komodo 1.0 64-bit                  2922  37.5-32.5  (+18-13=39)   99.1    -5
 - Fritz 12                           2887   1.5-0.5   (+1 -0 =1 )  100.0   +93
 - Thinker 5.4d Inert 64-bit          2865   1.5-0.5   (+1 -0 =1 )  100.0   +71
 - Thinker 5.4c Inert 64-bit          2860  13.5-6.5   (+9 -2 =9 )  100.0   +16
 - Zappa Mexico II 64-bit             2855  10.5-10.5  (+7 -7 =7 )  100.0   -91
 - Fritz 11                           2852 102.0-55.0  (+61-14=82)  100.0    -8
 - Deep Sjeng 3.0 64-bit              2837   1.5-1.5   (+1 -1 =1 )  100.0   -99
 - Deep Sjeng WC2008 64-bit           2836  16.0-5.0   (+13-2 =6 )  100.0   +70
 - Spark 0.3 64-bit                   2836  11.5-7.5   (+7 -3 =9 )  100.0   -49
 - Grapefruit 1.0 32-bit              2826  13.5-4.5   (+10-1 =7 )  100.0   +40
 - Hiarcs 12.1                        2818   1.0-1.0   (+1 -1 =0 )  100.0  -133
 - Onno 1.1.1 64-bit                  2810  13.0-7.0   (+9 -3 =8 )  100.0   -42
 - Hiarcs 12                          2809   2.0-0.0   (+2 -0 =0 )  100.0  +INF
 - Bright 0.4a                        2776  14.5-3.5   (+13-2 =3 )  100.0   +70
 - Ktulu 9                            2754  15.5-2.5   (+14-1 =3 )  100.0  +102
 - Spike 1.2 Turin                    2746  15.5-2.5   (+13-0 =5 )  100.0   +62


Created in 2005-2013 by CCRL team
Last games added on November 8, 2019