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
Jazz 840 64-bit 4CPU                    2554  +20  -20  57.8%  -63.9  1000
  Jazz 721 64-bit                         2377  +19  -19  48.2%  +12.7   991
  Jazz 840 64-bit                         2340  +15  -15  48.2%  +13.7  1604
  Jazz 444 64-bit                         2260  +34  -34  49.2%   +5.9   320
  Jazz 501 64-bit                         2249  +31  -31  46.1%  +23.8   360
  Jazz 501 32-bit                         2206  +29  -29  52.5%  -18.3   418
  Jazz 444 32-bit                         2196  +32  -32  50.3%   -3.3   353

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