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 3 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 3 64-bit 4CPU has no rank with rating of 3236 Elo points (+19 -19),
based on 1022 games: 498 wins, 131 losses and 393 draws
Score: 68.0%, Average opponent: −133.5, Draws: 38.5%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Houdini 3 64-bit 4CPU              3319  42.0-68.0  (+19-45=46)    0.0    +7
 - Houdini 2.0c 64-bit 4CPU           3277  23.5-26.5  (+11-14=25)    0.0   +22
 - Komodo 5.1 64-bit 4CPU             3238  58.0-52.0  (+25-19=66)   42.6   +16
 - Critter 1.6a 64-bit 4CPU           3233  23.5-26.5  (+10-13=27)   64.3   -22
 - Rybka 4.1 64-bit 4CPU              3206  35.5-27.5  (+20-12=31)   99.8    +8
 - Komodo CCT 64-bit                  3181  30.5-19.5  (+18-7 =25)  100.0   +11
 - Naum 4.2 64-bit 4CPU               3098  35.5-14.5  (+26-5 =19)  100.0    -2
 - Protector 1.5.0 64-bit 4CPU        3087   7.0-3.0   (+5 -1 =4 )  100.0   -21
 - Hannibal 1.3 64-bit 4CPU           3067   8.0-2.0   (+6 -0 =4 )  100.0   +29
 - Deep Shredder 12 64-bit 4CPU       3041  37.0-13.0  (+25-1 =24)  100.0   -48
 - Spike 1.4 Leiden 4CPU              3039  37.5-11.5  (+28-2 =19)  100.0   -23
 - Spark 1.0 64-bit 4CPU              3029  40.0-10.0  (+30-0 =20)  100.0    -9
 - Deep Junior 13.3 64-bit 4CPU       3026  37.5-12.5  (+29-4 =17)  100.0   -38
 - Protector 1.4.0 64-bit 4CPU        2972  46.0-4.0   (+43-1 =6 )  100.0  +124
 - Zappa Mexico II 64-bit 4CPU        2970  55.5-14.5  (+45-4 =21)  100.0   -58
 - Thinker 5.4c Inert 64-bit 4CPU     2952  43.0-7.0   (+36-0 =14)  100.0   -16
 - Deep Sjeng WC2008 64-bit 4CPU      2940  45.5-4.5   (+42-1 =7 )  100.0   +69
 - Deep Sjeng 3.0 64-bit 4CPU         2930  44.0-6.0   (+39-1 =10)  100.0     0
 - Toga II 1.4 beta5c 4CPU            2904  45.0-5.0   (+41-1 =8 )  100.0   +12


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