CCRL 40/15
Downloads and Statistics
May 8, 2021
Testing summary:
Total: 1'242'291 games
played by 2'843 programs

White wins: 425'658 (34.3%)
Black wins: 312'703 (25.2%)
Draws: 503'930 (40.6%)
White score: 54.5%

Custom engine selection

Comparing 7 engines!
7 selected engines played 30 games with each other



CCRL 40/15 Rating List - Custom engine selection
1242291 games played by 2843 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 8, 2021 with Bayeselo based on 1'242'291 games
Tested by CCRL team, 2005-2021, http://ccrl.chessdom.com/ccrl/4040/

Rank                 Engine                   Elo   +    -   Score  AvOp  Games
Octochess r5506 64-bit 4CPU             2886  +20  -21  44.5%  +35.8   715
  Octochess r5190 64-bit 4CPU             2821  +24  -24  45.9%  +24.1   555
  Octochess r5506 64-bit                  2783  +15  -15  48.3%  +10.2  1440
  Octochess r5190 64-bit                  2771  +15  -15  48.7%   +7.8  1521
  Octochess r5132 64-bit                  2728  +31  -31  51.1%   -7.1   313
  Octochess r4984 64-bit                  2722  +31  -31  49.7%   +4.3   324
  Octochess r4741 64-bit                  2696  +32  -32  51.1%   -4.3   308

Created in 2005-2013 by CCRL team
Last games added on May 8, 2021