CCRL 40/15
Downloads and Statistics
February 20, 2021
Testing summary:
Total: 1'218'554 games
played by 2'788 programs

White wins: 418'779 (34.4%)
Black wins: 308'204 (25.3%)
Draws: 491'571 (40.3%)
White score: 54.5%

Custom engine selection

Comparing 15 engines!
15 selected engines played 32 games with each other



CCRL 40/15 Rating List - Custom engine selection
1218554 games played by 2788 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 February 20, 2021 with Bayeselo based on 1'218'554 games
Tested by CCRL team, 2005-2021, http://ccrl.chessdom.com/ccrl/4040/

Rank                 Engine                   Elo   +    -   Score  AvOp  Games
Thinker 5.4d Inert 64-bit 4CPU          2925  +22  -23  46.0%  +24.2   587
  Thinker 5.4c Inert 64-bit 4CPU          2922  +15  -15  48.1%  +13.1  1502
  Thinker 5.4a Inert 64-bit 4CPU          2903  +23  -24  47.3%  +20.1   560
  Thinker 5.4d Inert 64-bit               2864  +15  -15  48.0%  +10.5  1334
  Thinker 5.4c Inert 64-bit               2859  +14  -14  46.6%  +19.4  1651
  Thinker 5.4d Inert 32-bit               2856  +10  -10  45.8%  +27.4  3433
  Thinker 5.4a Inert 64-bit               2849  +31  -31  49.9%   +2.2   340
  Thinker 5.4c Inert 32-bit               2848  +13  -13  54.3%  -27.9  1967
  Thinker 5.3b Inert 32-bit               2844  +19  -19  54.3%  -26.9   846
  Thinker 5.3b Inert 64-bit               2842  +24  -24  47.4%  +17.2   513
  Thinker 5.4a Inert 32-bit               2834  +21  -21  50.4%   -2.3   681
  Thinker 5.3b Passive 64-bit             2765  +24  -24  47.4%  +21.1   553
  Thinker 5.2e Passive                    2761  +28  -28  46.9%  +21.2   429
  Thinker 5.1d Passive                    2722  +27  -27  46.1%  +24.7   447
  Thinker 4.7a                            2545  +30  -30  51.8%  -13.6   363

Created in 2005-2013 by CCRL team
Last games added on February 20, 2021