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 5 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 5 64-bit 4CPU has no rank with rating of 3366 Elo points (+16 -16),
based on 1380 games: 694 wins, 93 losses and 593 draws
Score: 71.8%, Average opponent: −145.7, Draws: 43.0%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Komodo 8 64-bit 4CPU               3353  49.0-51.0  (+18-20=62)   89.5   -19
 - Houdini 4 64-bit 4CPU              3332  89.5-44.5  (+61-16=57)  100.0   +71
 - Komodo 7a 64-bit 4CPU              3320  78.0-56.0  (+41-19=74)  100.0    +1
 - Gull 3 64-bit 4CPU                 3260  91.0-43.0  (+57-9 =68)  100.0     0
 - Fire 4 64-bit 4CPU                 3256  14.0-4.0   (+10-0 =8 )  100.0   +64
 - Equinox 3.30 64-bit 4CPU           3253  14.0-6.0   (+9 -1 =10)  100.0    +6
 - Critter 1.6a 64-bit 4CPU           3233  85.0-44.0  (+51-10=68)  100.0   -39
 - Fire 3.0 64-bit 4CPU               3215  94.0-35.0  (+64-5 =60)  100.0    -9
 - Rybka 4.1 64-bit 4CPU              3206  99.0-31.0  (+76-8 =46)  100.0   +15
 - Strelka 5.5 64-bit                 3140  51.0-11.0  (+40-0 =22)  100.0    -6
 - Chiron 2 64-bit 4CPU               3120 108.0-22.0  (+89-3 =38)  100.0    -6
 - Hannibal 1.4b 64-bit 4CPU          3118 109.0-21.0  (+89-1 =40)  100.0    -5
 - Senpai 1.0 64-bit 4CPU             3097 109.0-21.0  (+89-1 =40)  100.0   -28


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