CCRL 40/4
Downloads and Statistics
August 19, 2019
Testing summary:
Total: 2'086'250 games
played by 2'425 programs
28072 CPU days (X2 4600+)

White wins: 810'164 (38.8%)
Black wins: 655'242 (31.4%)
Draws: 620'844 (29.8%)
White score: 53.7%

Engine Details

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Stockfish 5 syzygy 64-bit in CCRL 40/4, 2019-08-19
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 Intel CPU.
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
Stockfish 5 syzygy 64-bit has no rank with rating of 3234 Elo points (+17 -17),
based on 1328 games: 717 wins, 125 losses and 486 draws
Score: 72.3%, Average opponent: −154.6, Draws: 36.6%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Houdini 4 64-bit                   3240  55.0-45.0  (+38-28=34)   26.8   +39
 - Komodo 7a 64-bit                   3205  59.0-41.0  (+35-17=48)   99.7   +24
 - Gull 3 64-bit                      3191  56.0-43.0  (+31-18=50)  100.0    -3
 - Critter 1.6a 64-bit                3157  61.5-37.5  (+36-12=51)  100.0    -4
 - Rybka 4.1 64-bit                   3108  70.0-30.0  (+48-8 =44)  100.0    -1
 - Deep Fritz 14 64-bit 1CPU          3077  78.5-21.5  (+62-5 =33)  100.0   +38
 - Protector 1.6.0 64-bit             3039  92.0-22.0  (+71-1 =42)  100.0   +11
 - Chiron 2 64-bit                    3038  88.0-28.0  (+69-9 =38)  100.0   -18
 - Hannibal 1.4b 64-bit               3018  78.5-21.5  (+64-7 =29)  100.0   -13
 - Senpai 1.0 64-bit                  3006  81.0-19.0  (+65-3 =32)  100.0   -11
 - Texel 1.04 64-bit                  2996  76.0-24.0  (+59-7 =34)  100.0   -62
 - Naum 4.2 64-bit                    2987  85.5-14.5  (+75-4 =21)  100.0   +33
 - Hiarcs 14                          2985  79.0-21.0  (+64-6 =30)  100.0   -43


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