CCRL 40/4
Downloads and Statistics
October 12, 2019
Testing summary:
Total: 2'115'766 games
played by 2'468 programs
28564 CPU days (X2 4600+)

White wins: 821'094 (38.8%)
Black wins: 663'997 (31.4%)
Draws: 630'675 (29.8%)
White score: 53.7%

Engine Details

Options
Show each game results
Stockfish 1.3.1 64-bit in CCRL 40/4, 2019-10-12
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 1.3.1 64-bit has no rank with rating of 2845 Elo points (+20 -20),
based on 799 games: 263 wins, 253 losses and 283 draws
Score: 50.6%, Average opponent: −2.8, Draws: 35.4%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Rybka 3 64-bit                     3078  10.5-39.5  (+4 -33=13)    0.0   +20
 - Naum 4 64-bit                      2948  20.0-30.0  (+13-23=14)    0.0   +36
 - Fritz 11                           2888  20.5-29.5  (+13-22=15)    0.0   -16
 - Thinker 5.4c Inert 64-bit          2883  23.5-26.5  (+13-16=21)    0.0   +20
 - Zappa Mexico II 64-bit             2844  22.0-28.0  (+11-17=22)   54.0   -38
 - Deep Sjeng WC2008 64-bit           2843  29.5-20.5  (+20-11=19)   57.6   +54
 - Deep Shredder 11 64-bit            2843  28.0-22.0  (+20-14=16)   57.4   +40
 - Hiarcs 12                          2835  20.5-29.5  (+12-21=17)   80.5   -72
 - Hiarcs 12.1                        2833  22.0-28.0  (+12-18=20)   83.4   -47
 - Onno 1.0 64-bit                    2830  22.0-28.0  (+11-17=22)   86.7   -54
 - Toga II 1.4.1SE                    2824  28.0-21.0  (+17-10=22)   97.1   +22
 - Glaurung 2.2 64-bit                2802  30.0-20.0  (+19-9 =22)  100.0   +18
 - Ktulu 9                            2782  26.5-23.5  (+19-16=15)  100.0   -43
 - Bright 0.4a                        2780  33.0-17.0  (+25-9 =16)  100.0   +44
 - SmarThink 1.10 32-bit              2731  33.0-17.0  (+26-10=14)  100.0    -3
 - Spike 1.2 Turin                    2731  35.5-14.5  (+28-7 =15)  100.0   +32


Created in 2005-2013 by CCRL team
Last games added on October 12, 2019