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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Stockfish 2.0.1 64-bit 4CPU 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 2.0.1 64-bit 4CPU has no rank with rating of 3167 Elo points (+15 -14),
based on 1647 games: 742 wins, 190 losses and 715 draws
Score: 66.8%, Average opponent: −114.6, Draws: 43.4%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Houdini 1.5a 64-bit 4CPU           3264  20.0-30.0  (+8 -18=24)    0.0   +35
 - Critter 1.2 64-bit 4CPU            3209  24.0-26.0  (+10-12=28)    0.0   +28
 - Rybka 4.1 64-bit 4CPU              3206  22.5-27.5  (+7 -12=31)    0.0    +8
 - Rybka 4 64-bit 4CPU                3198  21.5-28.5  (+9 -16=25)    0.0   -11
 - Stockfish 2.1.1 64-bit 4CPU        3194  25.0-25.0  (+5 -5 =40)    0.4   +27
 - Houdini 1.5a 64-bit                3170  26.5-23.5  (+17-14=19)   36.9   +22
 - Critter 1.01 64-bit 4CPU           3157  29.5-20.5  (+17-8 =25)   82.1   +44
 - Stockfish 1.9.1 64-bit 4CPU        3152  27.0-23.0  (+7 -3 =40)   93.4    +6
 - Critter 0.90 64-bit 4CPU           3128  25.0-25.0  (+8 -8 =34)  100.0   -38
 - Komodo 3 64-bit                    3109  25.0-24.0  (+13-12=24)  100.0   -52
 - Naum 4.2 64-bit 4CPU               3098  25.5-24.5  (+10-9 =31)  100.0   -61
 - Komodo 2.03 64-bit                 3071  35.0-15.0  (+23-3 =24)  100.0   +26
 - Komodo 2.01 64-bit                 3071  32.5-17.5  (+21-6 =23)  100.0    -4
 - Critter 0.80 64-bit 4CPU           3069  36.0-14.0  (+26-4 =20)  100.0   +45
 - Deep Shredder 12 64-bit 4CPU       3041  32.5-17.5  (+23-8 =19)  100.0   -28
 - Spike 1.4 Leiden 4CPU              3039  37.0-13.0  (+26-2 =22)  100.0   +23
 - Hiarcs 13.2 4CPU                   3033  38.5-10.5  (+33-5 =11)  100.0   +81
 - Spark 1.0 64-bit 4CPU              3029  36.5-13.5  (+25-2 =23)  100.0    +5
 - Deep Junior 12.5 64-bit 4CPU       3014  37.5-12.5  (+31-6 =13)  100.0   +26
 - Hiarcs 13.1 4CPU                   3009  36.0-14.0  (+28-6 =16)  100.0    -7
 - Spark 0.5 64-bit 4CPU              3000  38.0-12.0  (+29-3 =18)  100.0    +6
 - Komodo 1.3 64-bit                  2993  40.5-9.5   (+34-3 =13)  100.0   +55
 - Deep Junior 12 64-bit 4CPU         2989  37.0-13.0  (+28-4 =18)  100.0   -17
 - Protector 1.4.0 64-bit 4CPU        2972  35.5-14.5  (+23-2 =25)  100.0   -69
 - Zappa Mexico II 64-bit 4CPU        2970  37.0-13.0  (+26-2 =22)  100.0   -44
 - Komodo 1.2 64-bit                  2966  36.5-13.5  (+27-4 =19)  100.0   -48
 - Onno 1.2.70 64-bit 4CPU            2955  41.0-9.0   (+33-1 =16)  100.0   +12
 - Protector 1.3.4 64-bit 4CPU        2952  41.0-9.0   (+32-0 =18)  100.0    +2
 - Thinker 5.4c Inert 64-bit 4CPU     2952  37.5-12.5  (+29-4 =17)  100.0   -45
 - Gull 1.1 64-bit                    2943  38.0-12.0  (+28-2 =20)  100.0   -52
 - Deep Sjeng WC2008 64-bit 4CPU      2940  40.5-9.5   (+34-3 =13)  100.0     0
 - Deep Sjeng 3.0 64-bit 4CPU         2930  37.5-11.5  (+29-3 =17)  100.0   -58
 - Toga II 1.4 beta5c 4CPU            2904  46.5-3.5   (+43-0 =7 )  100.0  +130


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