CCRL 40/15
Downloads and Statistics
January 16, 2021
Testing summary:
Total: 1'206'633 games
played by 2'770 programs

White wins: 414'929 (34.4%)
Black wins: 305'861 (25.3%)
Draws: 485'843 (40.3%)
White score: 54.5%

Custom engine selection

Comparing 26 engines!
26 selected engines played 831 games with each other



CCRL 40/15 Rating List - Custom engine selection
1206633 games played by 2770 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 January 16, 2021 with Bayeselo based on 1'206'633 games
Tested by CCRL team, 2005-2021, http://ccrl.chessdom.com/ccrl/4040/

Rank                 Engine                   Elo   +    -   Score  AvOp  Games
Rybka 4 64-bit 4CPU                     3146  +10  -10  48.7%   +7.8  3180
  Rybka 4.1 64-bit 4CPU                   3144   +9   -9  49.7%   +2.7  3859
  Rybka 3 64-bit 4CPU                     3118  +13  -13  68.6% -129.4  2047
  Rybka 3 Human 64-bit 4CPU               3105  +31  -31  54.7%  -34.0   316
  Rybka 4.1 64-bit                        3076   +8   -8  49.7%   +2.7  5260
  Rybka 4 64-bit                          3075  +11  -11  50.4%   -4.0  3020
  Rybka 3 64-bit                          3047  +11  -11  64.6% -104.3  3028
  Rybka 4.1 32-bit                        3029  +12  -12  58.6%  -55.5  2103
  Rybka 3 Dynamic 64-bit                  3020  +26  -26  65.2% -106.0   486
  Rybka 2.3.2a 64-bit 4CPU                3017  +13  -13  62.8%  -86.3  1928
  Rybka 4 32-bit                          3017  +15  -15  67.1% -110.3  1549
  Rybka 3 Human 64-bit                    3014  +25  -25  65.5% -106.1   554
  Rybka 2.1 64-bit 4CPU                   2997  +29  -29  61.6%  -84.9   402
  Rybka 3 32-bit                          2995  +12  -12  68.7% -127.2  2619
  Rybka 2.2 64-bit 4CPU                   2973  +20  -19  62.8%  -87.4   879
  Rybka 2.3.2a 64-bit                     2961  +11  -11  66.7% -112.3  2937
  Rybka 2.2 64-bit                        2920  +29  -28  64.7%  -96.3   397
  Rybka 2.3.2a 32-bit                     2911   +9   -9  57.5%  -49.7  4465
  Rybka 1.1 64-bit                        2902  +20  -20  65.3% -112.3   904
  Rybka 1.2 64-bit                        2898  +18  -18  65.8% -114.5  1112
  Rybka 2.2 32-bit                        2884  +16  -16  67.0% -116.6  1347
  Rybka 1.2 32-bit                        2868  +17  -17  65.9% -114.6  1200
  Rybka 2.1 32-bit                        2862  +22  -22  67.2% -114.9   707
  Rybka 1.1 32-bit                        2855  +17  -17  66.1% -113.2  1221
  Rybka 1.0 64-bit                        2824  +14  -14  63.4%  -91.3  1871
  Rybka 1.0 32-bit                        2786  +14  -14  58.4%  -56.2  1617

Created in 2005-2013 by CCRL team
Last games added on January 16, 2021