CCRL 40/15
Downloads and Statistics
September 26, 2020
Testing summary:
Total: 1'179'815 games
played by 2'715 programs

White wins: 406'597 (34.5%)
Black wins: 300'322 (25.5%)
Draws: 472'896 (40.1%)
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
1179815 games played by 2715 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 September 26, 2020 with Bayeselo based on 1'179'815 games
Tested by CCRL team, 2005-2020, http://ccrl.chessdom.com/ccrl/4040/

Rank                 Engine                   Elo   +    -   Score  AvOp  Games
Rybka 4 64-bit 4CPU                     3147  +10  -10  48.7%   +7.6  3180
  Rybka 4.1 64-bit 4CPU                   3145   +9   -9  49.7%   +2.6  3859
  Rybka 3 64-bit 4CPU                     3118  +13  -13  68.6% -128.8  2047
  Rybka 3 Human 64-bit 4CPU               3106  +31  -31  54.7%  -34.3   316
  Rybka 4.1 64-bit                        3078   +8   -8  49.7%   +2.0  5260
  Rybka 4 64-bit                          3077  +11  -10  50.4%   -4.5  3020
  Rybka 3 64-bit                          3047  +11  -11  65.3% -109.1  2932
  Rybka 4.1 32-bit                        3030  +12  -12  58.6%  -55.8  2103
  Rybka 3 Dynamic 64-bit                  3021  +27  -26  65.2% -106.3   486
  Rybka 4 32-bit                          3018  +15  -15  67.1% -110.6  1549
  Rybka 2.3.2a 64-bit 4CPU                3017  +13  -13  62.8%  -85.7  1928
  Rybka 3 Human 64-bit                    3015  +25  -25  65.5% -106.3   554
  Rybka 2.1 64-bit 4CPU                   2997  +29  -29  61.6%  -84.4   402
  Rybka 3 32-bit                          2995  +12  -12  68.8% -127.9  2605
  Rybka 2.2 64-bit 4CPU                   2973  +20  -19  62.8%  -87.0   879
  Rybka 2.3.2a 64-bit                     2961  +11  -11  66.8% -112.7  2915
  Rybka 2.2 64-bit                        2921  +29  -28  64.7%  -96.9   397
  Rybka 2.3.2a 32-bit                     2912   +9   -9  57.5%  -50.1  4465
  Rybka 1.1 64-bit                        2903  +20  -20  65.3% -112.9   904
  Rybka 1.2 64-bit                        2898  +18  -18  66.0% -116.0  1098
  Rybka 2.2 32-bit                        2884  +16  -16  67.0% -116.4  1347
  Rybka 1.2 32-bit                        2868  +17  -17  65.9% -114.3  1200
  Rybka 2.1 32-bit                        2862  +22  -22  67.2% -114.7   707
  Rybka 1.1 32-bit                        2856  +17  -17  66.1% -114.0  1221
  Rybka 1.0 64-bit                        2824  +14  -14  63.5%  -91.7  1863
  Rybka 1.0 32-bit                        2787  +15  -14  58.7%  -58.4  1595

Created in 2005-2013 by CCRL team
Last games added on September 26, 2020