CCRL 40/40
Downloads and Statistics
November 16, 2019
Testing summary:
Total: 1'098'633 games
played by 2'562 programs
150143 CPU days (X2 4600+)

White wins: 380'990 (34.7%)
Black wins: 283'127 (25.8%)
Draws: 434'516 (39.6%)
White score: 54.5%

Custom engine selection

Comparing 6 engines!
6 selected engines played 0 games with each other



CCRL 40/40 Rating List - Custom engine selection
1098633 games played by 2562 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 November 16, 2019 with Bayeselo based on 1'098'633 games
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/4040/

Rank               Engine                Elo   +    -   Score  AvOp  Games
Shield 2.1 64-bit 4CPU             2844  +24  -24  48.7%   +9.4   594
  Shield 2.1 64-bit                  2729  +15  -15  49.9%   -1.0  1459
  Shield 2.0 64-bit                  2713  +24  -24  50.1%   -4.8   630
  Shield 1.3.1 64-bit                2510  +20  -20  50.1%   -1.8   852
  Shield 1.2 64-bit                  2473  +26  -26  46.7%  +23.5   528
  Shield 1.1 64-bit                  2394  +31  -31  52.0%  -17.9   384

Created in 2005-2013 by CCRL team
Last games added on November 16, 2019