CCRL 40/4
Downloads and Statistics
July 6, 2019
Testing summary:
Total: 2'062'148 games
played by 2'380 programs
27711 CPU days (X2 4600+)

White wins: 801'254 (38.9%)
Black wins: 648'494 (31.4%)
Draws: 612'400 (29.7%)
White score: 53.7%

Custom engine selection

Comparing 4 engines!
4 selected engines played 0 games with each other



CCRL 40/4 Rating List - Custom engine selection
2062148 games played by 2380 programs, run by 21 testers
Ponder off, General books (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.
Computed on July 6, 2019 with Bayeselo based on 2'062'148 games
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/404/

Rank               Engine                Elo   +    -   Score  AvOp  Games
Caligula 0.9g                      2604  +19  -19  59.4%  -65.9  1001
  Caligula 0.9f                      2556  +66  -66  54.7%  -25.1    75
  Caligula 0.8                       2507  +17  -17  58.7%  -61.3  1257
  Caligula 0.7b                      2421  +16  -16  48.3%  +13.7  1416

Created in 2005-2013 by CCRL team
Last games added on July 6, 2019