CCRL 40/4
Downloads and Statistics
August 10, 2019
Testing summary:
Total: 2'081'140 games
played by 2'415 programs
27982 CPU days (X2 4600+)

White wins: 808'296 (38.8%)
Black wins: 653'685 (31.4%)
Draws: 619'159 (29.8%)
White score: 53.7%

Engine Details

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Doch 1.2 64-bit in CCRL 40/4, 2019-08-10
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:
Doch 1.2 64-bit has no rank with rating of 2865 Elo points (+19 -19),
based on 938 games: 304 wins, 284 losses and 350 draws
Score: 51.1%, Average opponent: −5.1, Draws: 37.3%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Rybka 3 64-bit                     3077   5.0-13.0  (+3 -11=4 )    0.0   +46
 - Stockfish 1.6.3 64-bit             2985  17.0-33.0  (+8 -24=18)    0.0   +14
 - Stockfish 1.6s JA 64-bit           2979  14.5-35.5  (+8 -29=13)    0.0   -35
 - Deep Shredder 12 64-bit            2955  23.5-44.5  (+12-33=23)    0.0   -15
 - Naum 4 64-bit                      2947   5.5-12.5  (+3 -10=5 )    0.0   -50
 - Stockfish 1.5.1 64-bit             2912  23.0-25.0  (+13-15=20)    0.0   +35
 - Rybka 2.2 32-bit                   2893  22.0-28.0  (+11-17=22)    1.0    -6
 - Fritz 11                           2888   9.5-8.5   (+8 -7 =3 )    1.8   +42
 - Thinker 5.4d Inert 64-bit          2885   8.5-9.5   (+5 -6 =7 )    2.9    +3
 - Thinker 5.4c Inert 64-bit          2883  25.0-23.0  (+17-15=16)    4.7   +32
 - Rybka 1.0 64-bit                   2852  15.5-14.5  (+7 -6 =17)   87.7    -2
 - Spark 0.3 64-bit                   2844  26.0-22.0  (+14-10=24)   98.1    +2
 - Zappa Mexico II 64-bit             2843  26.0-22.0  (+16-12=20)   98.7    +2
 - Deep Sjeng WC2008 64-bit           2842  25.5-22.5  (+16-13=19)   98.7    -6
 - Deep Sjeng 3.0 64-bit              2837  11.0-7.0   (+8 -4 =6 )   99.5   +45
 - Onno 1.1.1 64-bit                  2837  29.0-21.0  (+17-9 =24)   99.6   +18
 - Hiarcs 12                          2834   8.0-10.0  (+2 -4 =12)   99.8   -60
 - Hiarcs 12.1                        2833  25.0-23.0  (+18-16=14)   99.8   -19
 - Toga II 1.4.1SE                    2823  19.5-10.5  (+15-6 =9 )  100.0   +61
 - Ktulu 9                            2781  28.5-20.5  (+20-12=17)  100.0   -31
 - Bright 0.4a                        2779   9.5-8.5   (+6 -5 =7 )  100.0   -67
 - Twisted Logic 20090922 64-bit      2770  11.5-6.5   (+8 -3 =7 )  100.0     0
 - SmarThink 1.20 64-bit              2747  34.0-16.0  (+25-7 =18)  100.0    -1
 - Spike 1.2 Turin                    2731  35.0-13.0  (+29-7 =12)  100.0   +32
 - Chess Tiger 2007.1                 2713  21.5-9.5   (+15-3 =13)  100.0   -26


Created in 2005-2013 by CCRL team
Last games added on August 10, 2019