CCRL 40/4
Downloads and Statistics
November 14, 2019
Testing summary:
Total: 2'129'428 games
played by 2'486 programs
28790 CPU days (X2 4600+)

White wins: 825'928 (38.8%)
Black wins: 667'489 (31.3%)
Draws: 636'011 (29.9%)
White score: 53.7%

Engine Details

Options
Show each game results
Stockfish 2.3.1 64-bit 4CPU in CCRL 40/4, 2019-11-14
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 2.3.1 64-bit 4CPU has no rank with rating of 3221 Elo points (+18 -18),
based on 951 games: 343 wins, 162 losses and 446 draws
Score: 59.5%, Average opponent: −59.7, Draws: 46.9%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Houdini 3 64-bit 4CPU              3320  20.0-30.0  (+6 -16=28)    0.0   +41
 - Houdini 2.0c 64-bit 4CPU           3278  54.0-64.0  (+33-43=42)    0.0   +30
 - Critter 1.6a 64-bit 4CPU           3233  49.5-54.5  (+18-23=63)   11.5    -2
 - Rybka 4.1 64-bit 4CPU              3206  54.0-50.0  (+26-22=56)   93.5    -2
 - Komodo 5 64-bit                    3145  64.5-39.5  (+38-13=53)  100.0    -6
 - Strelka 5.5 64-bit                 3141  64.5-36.5  (+38-10=53)  100.0     0
 - Hiarcs 14 4CPU                     3108  36.0-16.0  (+29-9 =14)  100.0   +22
 - Naum 4.2 64-bit 4CPU               3099  65.0-35.0  (+42-12=46)  100.0   -30
 - Chiron 1.5 64-bit 4CPU             3095  33.5-18.5  (+20-5 =27)  100.0   -41
 - Deep Fritz 13 4CPU                 3074  36.5-15.5  (+24-3 =25)  100.0   -25
 - Chiron 1.1a 64-bit 4CPU            3064  47.0-15.0  (+35-3 =24)  100.0   +10
 - Deep Junior 13.3 64-bit 4CPU       3026  41.5-10.5  (+34-3 =15)  100.0   +18


Created in 2005-2013 by CCRL team
Last games added on November 14, 2019