CCRL Blitz
Downloads and Statistics
March 2, 2021
Testing summary:
Total: 2'474'284 games
played by 2'947 programs

White wins: 951'541 (38.5%)
Black wins: 762'369 (30.8%)
Draws: 760'374 (30.7%)
White score: 53.8%

Custom engine selection

Comparing 6 engines!
6 selected engines played 0 games with each other



CCRL Blitz Rating List - Custom engine selection
2474284 games played by 2947 programs, run by 22 testers
Ponder off, General books (up to 12 moves), 3-4-5 piece EGTB
Time control: From Jan 2020, equivalent to 2'+1" on an Intel i7-4770K. See the "About" page for notes on engine inclusion.
Computed on March 2, 2021 with Bayeselo based on 2'474'284 games
Tested by CCRL team, 2005-2021, http://ccrl.chessdom.com/ccrl/404/

Rank                 Engine                   Elo   +    -   Score  AvOp  Games
Donna 4.1 64-bit                        2700  +12  -12  49.1%   +6.6  2516
  Donna 4.0 64-bit                        2651  +13  -13  48.4%  +10.5  2108
  Donna 3.1 64-bit                        2629  +22  -22  48.8%   +9.2   689
  Donna 3.0 64-bit                        2620  +18  -18  48.9%   +8.7  1024
  Donna 2.1 64-bit                        2574  +19  -19  49.3%   +4.3   948
  Donna 2.0 64-bit                        2562  +19  -19  50.6%   -4.8   955

Created in 2005-2013 by CCRL team
Last games added on March 2, 2021