CCRL 40/40
Downloads and Statistics
August 17, 2019
Testing summary:
Total: 1'075'629 games
played by 2'520 programs
147029 CPU days (X2 4600+)

White wins: 373'444 (34.7%)
Black wins: 277'846 (25.8%)
Draws: 424'339 (39.5%)
White score: 54.4%

Custom engine selection

Comparing 22 engines!
22 selected engines played 0 games with each other



CCRL 40/40 Rating List - Custom engine selection
1075629 games played by 2520 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 Intel CPU.
Computed on August 17, 2019 with Bayeselo based on 1'075'629 games
Tested by CCRL team, 2005-2019, http://computerchess.org.uk/ccrl/4040/

Rank              Engine                Elo   +    -   Score  AvOp  Games
Protector 1.9.0 64-bit 4CPU       3138  +15  -15  46.3%  +26.0  1313
  Protector 1.8.0 64-bit 4CPU       3124  +27  -28  50.4%   -1.2   386
  Protector 1.7.0 64-bit 4CPU       3075  +19  -19  44.1%  +36.7   834
  Protector 1.6.0 64-bit 4CPU       3071  +21  -22  43.2%  +44.2   656
  Protector 1.9.0 64-bit            3059   +9  -10  44.8%  +35.5  3656
  Protector 1.5.0 64-bit 4CPU       3056  +18  -18  42.5%  +47.4   952
  Protector 1.8.0 64-bit            3039  +17  -17  44.6%  +34.3  1043
  Protector 1.7.0 64-bit            3010  +18  -18  45.0%  +28.8   952
  Protector 1.6.0 64-bit            2997  +18  -18  44.8%  +32.4   964
  Protector 1.5.0 64-bit            2985  +13  -13  44.4%  +33.9  1813
  Protector 1.4.0 64-bit 4CPU       2983  +19  -19  42.5%  +48.7   912
  Protector 1.3.6 64-bit 4CPU       2964  +33  -33  45.7%  +23.7   291
  Protector 1.5.0 32-bit            2947  +25  -25  45.2%  +28.0   470
  Protector 1.4.0 64-bit            2903  +14  -14  45.7%  +31.8  1679
  Protector 1.4.0 32-bit            2878  +11  -11  45.3%  +31.7  2750
  Protector 1.3.6 64-bit            2853  +29  -29  46.1%  +26.9   400
  Protector 1.3.3 64-bit            2843  +31  -31  49.4%   +4.6   311
  Protector 1.3.4 64-bit            2840  +24  -24  45.7%  +27.5   543
  Protector 1.3.5 32-bit            2830  +15  -15  45.5%  +28.2  1489
  Protector 1.3.4 32-bit            2824  +15  -15  45.6%  +28.7  1356
  Protector 1.3.1b 32-bit           2802  +23  -23  48.8%   +8.5   608
  Protector 1.3.2 32-bit            2795  +21  -21  45.7%  +26.3   659

Created in 2005-2013 by CCRL team
Last games added on August 17, 2019