CCRL Blitz
Downloads and Statistics
October 17, 2020
Testing summary:
Total: 2'387'265 games
played by 2'826 programs

White wins: 919'531 (38.5%)
Black wins: 739'461 (31.0%)
Draws: 728'273 (30.5%)
White score: 53.8%

Custom engine selection

Comparing 10 engines!
10 selected engines played 0 games with each other



CCRL Blitz Rating List - Custom engine selection
2387265 games played by 2826 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.
Computed on October 17, 2020 with Bayeselo based on 2'387'265 games
Tested by CCRL team, 2005-2020, http://ccrl.chessdom.com/ccrl/404/

Rank                 Engine                   Elo   +    -   Score  AvOp  Games
Zappa Mexico II 64-bit 4CPU             2972   +7   -7  42.0%  +56.7  8335
  Zappa Mexico 64-bit 4CPU                2945   +8   -8  53.5%  -24.1  5492
  Zap!Chess Zanzibar 64-bit 4CPU          2928  +19  -19  64.4%  -96.9   898
  Zappa Mexico II 64-bit                  2845   +7   -6  46.4%  +25.1 10184
  Zap!Chess Paderborn 64-bit 4CPU         2838  +19  -18  58.9%  -59.9   947
  Zappa Mexico 64-bit                     2809  +15  -15  52.4%  -16.0  1401
  Zappa Mexico 32-bit                     2760  +21  -21  52.2%  -15.7   790
  Zap!Chess Zanzibar 32-bit               2741  +38  -38  49.8%   +1.4   220
  Zappa 1.1 64-bit                        2603  +10  -11  47.6%  +17.3  3306
  Zappa 1.1 32-bit                        2531  +24  -24  42.8%  +52.2   605

Created in 2005-2013 by CCRL team
Last games added on October 17, 2020