CCRL 40/4
Downloads and Statistics
October 22, 2019
Testing summary:
Total: 2'121'427 games
played by 2'481 programs
28688 CPU days (X2 4600+)

White wins: 823'094 (38.8%)
Black wins: 665'478 (31.4%)
Draws: 632'855 (29.8%)
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
2121427 games played by 2481 programs, run by 22 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 CPU.
Computed on October 22, 2019 with Bayeselo based on 2'121'427 games
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/404/

Rank               Engine                Elo   +    -   Score  AvOp  Games
Caligula 0.9g                      2606  +18  -18  59.3%  -65.7  1065
  Caligula 0.9f                      2556  +66  -66  54.7%  -25.1    75
  Caligula 0.8                       2507  +17  -17  58.7%  -61.7  1257
  Caligula 0.7b                      2421  +16  -16  48.3%  +13.4  1416

Created in 2005-2013 by CCRL team
Last games added on October 22, 2019