CCRL 40/4
Downloads and Statistics
October 22, 2019
Testing summary:
Total: 2'121'427 games
played by 2'481 programs
28688 CPU days (X2 4600+)

White wins: 823'094 (38.8%)
Black wins: 665'478 (31.4%)
Draws: 632'855 (29.8%)
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
2121427 games played by 2481 programs, run by 22 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 CPU.
Computed on October 22, 2019 with Bayeselo based on 2'121'427 games
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/404/

Rank               Engine                Elo   +    -   Score  AvOp  Games
Protector 1.9.0 64-bit 4CPU        3129  +10  -10  46.3%  +24.1  3770
  Protector 1.5.0 64-bit 4CPU        3087  +14  -14  40.5%  +64.2  1682
  Protector 1.9.0 64-bit             3085   +7   -7  46.2%  +28.9  8332
  Protector 1.8.0 64-bit             3065  +17  -17  45.5%  +36.1  1210
  Protector 1.7.0 64-bit             3040  +15  -15  43.0%  +51.6  1510
  Protector 1.6.0 64-bit             3039  +15  -15  45.9%  +25.3  1467
  Protector 1.5.0 64-bit             2984  +13  -13  46.5%  +20.1  2182
  Protector 1.4.0 64-bit 4CPU        2972  +13  -13  32.3% +129.6  2343
  Protector 1.3.5 64-bit 4CPU        2963  +27  -27  36.7%  +88.5   455
  Protector 1.3.4 64-bit 4CPU        2952  +13  -13  40.3%  +64.8  2122
  Protector 1.4.0 64-bit             2889  +14  -14  48.3%  +15.7  2009
  Protector 1.3.5 64-bit             2856  +15  -15  58.4%  -63.1  1814
  Protector 1.3.4 64-bit             2852  +18  -18  45.7%  +29.6  1055

Created in 2005-2013 by CCRL team
Last games added on October 22, 2019