CCRL 40/4
Downloads and Statistics
October 19, 2019
Testing summary:
Total: 2'120'567 games
played by 2'479 programs
28673 CPU days (X2 4600+)

White wins: 822'832 (38.8%)
Black wins: 665'262 (31.4%)
Draws: 632'473 (29.8%)
White score: 53.7%

Engine Details

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Show each game results
Stockfish 1.6.3 64-bit in CCRL 40/4, 2019-10-19
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:
Stockfish 1.6.3 64-bit has no rank with rating of 2985 Elo points (+14 -14),
based on 1734 games: 860 wins, 260 losses and 614 draws
Score: 67.3%, Average opponent: −119.9, Draws: 35.4%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Rybka 3 64-bit                     3077  21.5-44.5  (+9 -32=25)    0.0   -22
 - Stockfish 1.7.1 64-bit             3044  12.5-19.5  (+3 -10=19)    0.0    -2
 - Naum 4.2 64-bit                    2987  24.0-26.0  (+11-13=26)   40.2    -8
 - Stockfish 1.6s JA 64-bit           2979   1.5-2.5   (+0 -1 =3 )   70.5   -73
 - Deep Shredder 12 64-bit            2955  36.5-26.5  (+22-12=29)  100.0   +20
 - Naum 4.1 64-bit                    2955  21.0-19.0  (+14-12=14)   99.7   -11
 - Naum 4 64-bit                      2947  35.0-31.0  (+24-20=22)  100.0   -18
 - Rybka 2.2 64-bit                   2936  18.0-14.0  (+10-6 =16)  100.0   -13
 - Komodo 1.0 64-bit                  2932  31.5-16.5  (+23-8 =17)  100.0   +49
 - Fritz 12                           2908  43.5-22.5  (+31-10=25)  100.0   +26
 - Doch 1.3.4 64-bit                  2893  21.5-18.5  (+13-10=17)  100.0   -65
 - Fritz 11                           2887  41.0-25.0  (+28-12=26)  100.0   -20
 - Thinker 5.4d Inert 64-bit          2885  41.0-17.0  (+31-7 =20)  100.0   +39
 - Thinker 5.4c Inert 64-bit          2883  37.5-20.5  (+27-10=21)  100.0    -4
 - Spark 0.4 64-bit                   2882  31.5-18.5  (+18-5 =27)  100.0   -27
 - Doch 1.2 64-bit                    2865  33.0-17.0  (+24-8 =18)  100.0   -14
 - Zappa Mexico II 64-bit             2843  50.0-16.0  (+38-4 =24)  100.0   +28
 - Spark 0.3 64-bit                   2843  78.0-28.0  (+59-9 =38)  100.0   +14
 - Deep Sjeng WC2008 64-bit           2842  44.0-14.0  (+36-6 =16)  100.0   +41
 - Deep Junior 11.1a 64-bit           2840  45.5-19.5  (+36-10=19)  100.0    -2
 - Deep Sjeng 3.0 64-bit              2837  37.5-21.5  (+27-11=21)  100.0   -57
 - Onno 1.1.1 64-bit                  2837  40.0-18.0  (+27-5 =26)  100.0   -29
 - Hiarcs 12                          2834  46.5-10.5  (+41-5 =11)  100.0   +96
 - Hiarcs 12.1                        2833  39.0-19.0  (+28-8 =22)  100.0   -39
 - Hannibal 05_20_10 64-bit           2824  37.5-12.5  (+32-7 =11)  100.0   +24
 - Ktulu 9                            2781  40.0-9.0   (+35-4 =10)  100.0   +39
 - Bright 0.4a                        2779  37.0-13.0  (+28-4 =18)  100.0   -46
 - Bright 0.5c                        2771  26.0-6.0   (+21-1 =10)  100.0    +3
 - Twisted Logic 20090922 64-bit      2770  41.5-8.5   (+35-2 =13)  100.0   +29
 - Twisted Logic 20100131x 64-bit     2766  45.0-12.0  (+35-2 =20)  100.0   -22
 - SmarThink 1.20 64-bit              2747  36.5-12.5  (+28-4 =17)  100.0   -74
 - Spike 1.2 Turin                    2731  41.5-8.5   (+35-2 =13)  100.0    -8
 - Chess Tiger 2007.1                 2713  31.0-0.0   (+31-0 =0 )  100.0  +INF


Created in 2005-2013 by CCRL team
Last games added on October 19, 2019