CCRL 40/15
Downloads and Statistics
July 4, 2020
Testing summary:
Total: 1'159'254 games
played by 2'684 programs

White wins: 400'214 (34.5%)
Black wins: 295'886 (25.5%)
Draws: 463'154 (40.0%)
White score: 54.5%

Custom engine selection

Comparing 15 engines!
15 selected engines played 12 games with each other



CCRL 40/15 Rating List - Custom engine selection
1159254 games played by 2684 programs, run by 23 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 July 4, 2020 with Bayeselo based on 1'159'254 games
Tested by CCRL team, 2005-2020, http://ccrl.chessdom.com/ccrl/4040/

Rank                 Engine                   Elo   +    -   Score  AvOp  Games
Zappa Mexico II 64-bit 4CPU             2969  +10  -10  48.3%   +8.9  3270
  Zappa Mexico 64-bit 4CPU                2959  +15  -15  60.1%  -65.3  1442
  Zap!Chess Zanzibar 64-bit 4CPU          2947  +23  -23  64.1%  -87.8   598
  Zappa Mexico II 64-bit                  2854  +10  -10  47.2%  +18.9  3598
  Zap!Chess Paderborn 64-bit 4CPU         2849  +26  -26  65.9% -106.2   492
  Zappa Mexico 64-bit                     2833  +15  -15  53.6%  -23.7  1372
  Zappa Mexico II 32-bit                  2809  +11  -12  48.3%  +11.3  2392
  Zap!Chess Zanzibar 64-bit               2803  +26  -26  54.0%  -24.4   429
  Zappa Mexico 32-bit                     2789  +17  -16  53.2%  -19.7  1168
  Zap!Chess Zanzibar 32-bit               2781  +19  -19  55.7%  -37.8   873
  Zap!Chess Paderborn 32-bit              2681  +21  -21  45.1%  +34.7   731
  Zap!Chess Paderborn SE 32-bit           2670  +34  -34  46.0%  +25.9   275
  Zap!Chess Reykjavik 32-bit              2658  +34  -35  38.1%  +76.3   274
  Zappa 1.1 64-bit                        2615  +18  -18  48.1%  +13.0  1010
  Zappa 1.1 32-bit                        2582  +29  -29  49.9%   +0.9   411

Created in 2005-2013 by CCRL team
Last games added on July 4, 2020