CCRL 40/40
Downloads and Statistics
December 7, 2019
Testing summary:
Total: 1'104'002 games
played by 2'573 programs
150928 CPU days (X2 4600+)

White wins: 382'601 (34.7%)
Black wins: 284'129 (25.7%)
Draws: 437'272 (39.6%)
White score: 54.5%

Custom engine selection

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



CCRL 40/40 Rating List - Custom engine selection
1104002 games played by 2573 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 CPU.
Computed on December 7, 2019 with Bayeselo based on 1'104'002 games
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/4040/

Rank               Engine                Elo   +    -   Score  AvOp  Games
Protector 1.9.0 64-bit 4CPU        3139  +15  -15  46.3%  +25.1  1313
  Protector 1.8.0 64-bit 4CPU        3124  +28  -28  50.4%   -1.4   386
  Protector 1.7.0 64-bit 4CPU        3075  +19  -19  44.1%  +36.6   834
  Protector 1.6.0 64-bit 4CPU        3071  +21  -22  43.2%  +44.1   656
  Protector 1.9.0 64-bit             3059   +9  -10  44.9%  +34.7  3686
  Protector 1.5.0 64-bit 4CPU        3056  +18  -18  42.5%  +47.2   952
  Protector 1.8.0 64-bit             3039  +17  -17  44.6%  +34.7  1043
  Protector 1.7.0 64-bit             3010  +18  -18  45.0%  +29.0   952
  Protector 1.6.0 64-bit             2996  +17  -17  45.3%  +29.1  1010
  Protector 1.5.0 64-bit             2985  +13  -13  44.7%  +31.8  1845
  Protector 1.4.0 64-bit 4CPU        2983  +19  -19  42.5%  +48.7   912
  Protector 1.3.6 64-bit 4CPU        2962  +32  -32  46.6%  +18.4   307
  Protector 1.5.0 32-bit             2948  +25  -25  45.2%  +27.3   470
  Protector 1.4.0 64-bit             2900  +14  -14  45.9%  +31.1  1731
  Protector 1.4.0 32-bit             2879  +11  -11  45.5%  +30.0  2776
  Protector 1.3.6 64-bit             2853  +29  -29  46.1%  +26.5   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%  +27.1   543
  Protector 1.3.5 32-bit             2830  +15  -14  45.6%  +27.8  1493
  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%   +8.4   608
  Protector 1.3.2 32-bit             2795  +21  -21  45.7%  +26.2   659

Created in 2005-2013 by CCRL team
Last games added on December 7, 2019