CCRL 40/40
Downloads and Statistics
November 16, 2019
Testing summary:
Total: 1'098'633 games
played by 2'562 programs
150143 CPU days (X2 4600+)

White wins: 380'990 (34.7%)
Black wins: 283'127 (25.8%)
Draws: 434'516 (39.6%)
White score: 54.5%

Custom engine selection

Comparing 33 engines!
33 selected engines played 300 games with each other



CCRL 40/40 Rating List - Custom engine selection
1098633 games played by 2562 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 CPU.
Computed on November 16, 2019 with Bayeselo based on 1'098'633 games
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/4040/

Rank               Engine                Elo   +    -   Score  AvOp  Games
GreKo 2018.08 64-bit               2719  +21  -21  47.0%  +22.7   738
  GreKo 2018.12 64-bit               2716  +26  -26  48.9%   +6.3   447
  GreKo 2018 64-bit                  2711  +13  -13  48.6%   +9.5  1980
  GreKo 2018.07 64-bit               2709  +16  -16  48.0%  +13.6  1385
  GreKo 2018.02 64-bit               2649  +24  -23  51.7%  -11.2   585
  GreKo 2018.01 64-bit               2645  +27  -27  51.2%  -10.4   454
  GreKo 2015-ML 64-bit               2611  +25  -26  49.2%   +3.6   501
  GreKo 2015 64-bit                  2609  +22  -22  51.2%  -10.9   680
  GreKo 12.8 64-bit                  2604  +30  -30  50.7%   -7.1   358
  GreKo 2016 64-bit                  2592  +22  -22  47.6%  +17.4   697
  GreKo 12.1 64-bit                  2588  +30  -30  52.2%  -17.5   366
  GreKo 12.9 64-bit                  2578  +29  -29  46.9%  +21.7   416
  GreKo 12.5 64-bit                  2569  +33  -33  50.7%   -6.8   305
  GreKo 13.1 64-bit                  2565  +30  -30  46.7%  +20.7   347
  GreKo 9.7 64-bit                   2545  +32  -32  48.9%   +4.8   307
  GreKo 12.0 64-bit                  2541  +25  -25  48.2%  +13.5   541
  GreKo 10.0 64-bit                  2517  +32  -32  51.1%   -6.4   306
  GreKo 10.3.1 64-bit                2516  +33  -33  50.3%   -3.1   304
  GreKo 10.2 64-bit                  2502  +31  -32  47.8%  +16.8   341
  GreKo 9.2 32-bit                   2493  +33  -33  49.7%   +2.3   304
  GreKo 8.0 64-bit                   2490  +27  -27  50.6%   -3.7   464
  GreKo 8.2 32-bit                   2487  +26  -26  49.1%   +5.5   506
  GreKo 8.1.1 64-bit                 2482  +36  -36  48.1%  +12.2   240
  GreKo 7.2 64-bit                   2460  +30  -30  53.4%  -25.4   364
  GreKo 8.0 32-bit                   2450  +29  -29  50.6%   -4.0   411
  GreKo 7.2 32-bit                   2429  +33  -33  48.4%   +9.2   304
  GreKo 6.30                         2378  +33  -33  48.0%  +13.7   307
  GreKo 7.0                          2371  +28  -28  46.3%  +28.5   454
  GreKo 6.25                         2368  +33  -33  48.5%   +9.5   308
  GreKo 6.5                          2364  +26  -26  48.9%   +7.2   495
  GreKo 5.9                          2349  +24  -24  46.4%  +28.1   621
  GreKo 5.5                          2311  +33  -33  50.7%   -5.7   305
  GreKo 5.2.5                        2276  +35  -35  50.9%   -8.2   289

Created in 2005-2013 by CCRL team
Last games added on November 16, 2019