CCRL 40/15
Downloads and Statistics
May 15, 2021
Testing summary:
Total: 1'244'261 games
played by 2'847 programs

White wins: 426'196 (34.3%)
Black wins: 313'011 (25.2%)
Draws: 505'054 (40.6%)
White score: 54.5%

Custom engine selection

Comparing 7 engines!
7 selected engines played 0 games with each other



CCRL 40/15 Rating List - Custom engine selection
1244261 games played by 2847 programs, run by 24 testers
Ponder off, General books (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 15 minutes on an Intel i7-4770k.
Computed on May 15, 2021 with Bayeselo based on 1'244'261 games
Tested by CCRL team, 2005-2021, http://ccrl.chessdom.com/ccrl/4040/

Rank                 Engine                   Elo   +    -   Score  AvOp  Games
Orion 0.8 64-bit                        3122  +20  -20  48.7%   +5.9   753
  Orion 0.7 64-bit                        2760  +25  -25  51.0%   -4.0   526
  Orion 0.6 64-bit                        2629  +19  -19  49.1%   +5.6   915
  Orion 0.5 64-bit                        2528  +14  -14  46.7%  +23.2  1771
  Orion 0.4 64-bit                        2452  +20  -20  49.7%   +4.4   866
  Orion 0.3.0 64-bit                      2388  +19  -19  48.9%   +8.3   962
  Orion 0.2 64-bit                        2280  +21  -21  48.3%  +11.8   813

Created in 2005-2013 by CCRL team
Last games added on May 15, 2021