CCRL 40/4
Downloads and Statistics
July 6, 2019
Testing summary:
Total: 2'062'148 games
played by 2'380 programs
27711 CPU days (X2 4600+)

White wins: 801'254 (38.9%)
Black wins: 648'494 (31.4%)
Draws: 612'400 (29.7%)
White score: 53.7%

Custom engine selection

Comparing 13 engines!
13 selected engines played 100 games with each other



CCRL 40/4 Rating List - Custom engine selection
2062148 games played by 2380 programs, run by 21 testers
Ponder off, General books (up to 12 moves), 3-4-5 piece EGTB
Time control: Equivalent to 40 moves in 4 minutes on Athlon 64 X2 4600+ (2.4 GHz), about 1.5 minutes on a modern Intel CPU.
Computed on July 6, 2019 with Bayeselo based on 2'062'148 games
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/404/

Rank               Engine                Elo   +    -   Score  AvOp  Games
Protector 1.9.0 64-bit 4CPU        3128  +10  -10  46.4%  +24.4  3627
  Protector 1.5.0 64-bit 4CPU        3087  +14  -14  40.5%  +64.2  1682
  Protector 1.9.0 64-bit             3085   +7   -7  46.0%  +31.2  7982
  Protector 1.8.0 64-bit             3066  +17  -17  45.5%  +35.3  1210
  Protector 1.7.0 64-bit             3040  +15  -15  43.0%  +51.9  1510
  Protector 1.6.0 64-bit             3039  +15  -15  45.9%  +25.6  1467
  Protector 1.5.0 64-bit             2984  +13  -13  46.5%  +20.2  2182
  Protector 1.4.0 64-bit 4CPU        2972  +13  -13  32.3% +129.5  2343
  Protector 1.3.5 64-bit 4CPU        2963  +27  -27  36.7%  +88.7   455
  Protector 1.3.4 64-bit 4CPU        2952  +13  -13  40.3%  +65.1  2122
  Protector 1.4.0 64-bit             2890  +14  -14  48.3%  +15.0  2009
  Protector 1.3.5 64-bit             2856  +14  -15  58.4%  -62.6  1814
  Protector 1.3.4 64-bit             2853  +18  -18  45.7%  +28.9  1055

Created in 2005-2013 by CCRL team
Last games added on July 6, 2019