CCRL 40/4
Downloads and Statistics
June 15, 2019
Testing summary:
Total: 2'051'440 games
played by 2'369 programs
27518 CPU days (X2 4600+)

White wins: 797'129 (38.9%)
Black wins: 645'243 (31.5%)
Draws: 609'068 (29.7%)
White score: 53.7%

Engine Details

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Stockfish 130118 64-bit in CCRL 40/4, 2019-06-15
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 Intel CPU.
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/404/

CCRL 40/4 main list:
Stockfish 130118 64-bit has no rank with rating of 3490 Elo points (+16 -16),
based on 1495 games: 826 wins, 49 losses and 620 draws
Score: 76.0%, Average opponent: −197.7, Draws: 41.5%


Pairwise results:
     Opponent                         Elo     Score                  LOS   Perf
 - Stockfish 9 64-bit                 3482  53.0-47.0  (+15-9 =76)   78.8    +6
 - Houdini 6 64-bit                   3446 111.0-89.0  (+37-15=148)  100.0   -15
 - Komodo 11.2 64-bit                 3422 122.5-76.5  (+62-16=121)  100.0    -3
 - Stockfish 8 64-bit                 3421  54.0-43.0  (+14-3 =80)  100.0   -40
 - Shredder 13 64-bit                 3271  80.5-19.5  (+63-2 =35)  100.0   -10
 - Fizbo 2 64-bit                     3247  86.5-13.5  (+74-1 =25)  100.0   +36
 - Andscacs 0.93 64-bit               3204 170.0-29.0  (+143-2 =54)  100.0   -21
 - Gull 3 64-bit                      3192  88.0-12.0  (+77-1 =22)  100.0    +4
 - Booot 6.2 64-bit                   3168  91.5-8.5   (+83-0 =17)  100.0   +36
 - Chiron 4 64-bit                    3165  90.5-9.5   (+81-0 =19)  100.0   +13
 - Critter 1.6a 64-bit                3158  95.5-4.5   (+91-0 =9 )  100.0  +136
 - Fritz 16 64-bit                    3141  93.0-7.0   (+86-0 =14)  100.0   +43


Created in 2005-2013 by CCRL team
Last games added on June 15, 2019