CCRL 40/40
Downloads and Statistics
August 24, 2019
Testing summary:
Total: 1'077'764 games
played by 2'521 programs
147276 CPU days (X2 4600+)

White wins: 374'201 (34.7%)
Black wins: 278'337 (25.8%)
Draws: 425'226 (39.5%)
White score: 54.4%

Custom engine selection

Comparing 16 engines!
16 selected engines played 0 games with each other



CCRL 40/40 Rating List - Custom engine selection
1077764 games played by 2521 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 40 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 15 minutes on a modern Intel CPU.
Computed on August 24, 2019 with Bayeselo based on 1'077'764 games
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/4040/

Rank              Engine                Elo   +    -   Score  AvOp  Games
Delphil 3.2 64-bit 4CPU           2554  +31  -31  38.2%  +85.4   374
  Delphil 3.2 64-bit                2499  +15  -15  49.5%   +3.9  1534
  Delphil 2.8                       2492  +23  -23  49.4%   +3.7   633
  Delphil 3.0 64-bit                2491  +33  -33  50.7%   -5.6   302
  Delphil 2.9a                      2482  +29  -29  47.3%  +18.2   388
  Delphil 3.1 64-bit                2477  +26  -26  49.4%   +2.6   466
  Delphil 2.7                       2469  +27  -27  49.9%   +0.8   451
  Delphil 1.9g                      2450  +29  -29  50.9%   -6.7   378
  Delphil 2.3                       2440  +32  -33  48.4%  +10.6   307
  Delphil 2.6b                      2435  +33  -33  49.2%   +5.7   308
  Delphil 2.9g 64-bit               2433  +33  -33  47.5%  +16.0   305
  Delphil 1.9c                      2421  +33  -33  52.2%  -13.2   300
  Delphil 2.6a                      2415  +27  -27  51.5%  -11.4   437
  Delphil 1.6c                      2411  +33  -33  50.7%   -7.5   301
  Delphil 1.8                       2398  +28  -28  47.2%  +21.7   459
  Delphil 1.9f                      2385  +33  -33  47.7%  +14.5   300

Created in 2005-2013 by CCRL team
Last games added on August 24, 2019