CCRL 40/4
Downloads and Statistics
August 20, 2019
Testing summary:
Total: 2'086'404 games
played by 2'425 programs
28073 CPU days (X2 4600+)

White wins: 810'229 (38.8%)
Black wins: 655'304 (31.4%)
Draws: 620'871 (29.8%)
White score: 53.7%

Custom engine selection

Comparing 3 engines!
3 selected engines played 0 games with each other



CCRL 40/4 Rating List - Custom engine selection
2086404 games played by 2425 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 Intel CPU.
Computed on August 20, 2019 with Bayeselo based on 2'086'404 games
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/404/

Rank               Engine                Elo   +    -   Score  AvOp  Games
Axolotl 1.8 64-bit                 2390  +18  -18  52.7%  -20.9  1149
  Axolotl 1.5 64-bit                 2137  +22  -22  66.6% -158.1   943
  Axolotl 1.1 Nov 2018 64-bit        1451  +23  -23  42.5%  +63.1   782

Created in 2005-2013 by CCRL team
Last games added on August 20, 2019