CCRL 40/40
Downloads and Statistics
October 19, 2019
Testing summary:
Total: 1'092'341 games
played by 2'556 programs
149261 CPU days (X2 4600+)

White wins: 378'952 (34.7%)
Black wins: 281'710 (25.8%)
Draws: 431'679 (39.5%)
White score: 54.5%

Custom engine selection

Comparing 5 engines!
5 selected engines played 0 games with each other



CCRL 40/40 Rating List - Custom engine selection
1092341 games played by 2556 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 October 19, 2019 with Bayeselo based on 1'092'341 games
Tested by CCRL team, 2005-2019, http://ccrl.chessdom.com/ccrl/4040/

Rank               Engine                Elo   +    -   Score  AvOp  Games
LittleThought 1.052 64-bit         2500  +16  -16  47.8%  +14.4  1362
  LittleThought 1.052 32-bit         2468  +18  -18  49.8%   +2.4  1012
  LittleThought 1.04 32-bit          2394  +33  -34  49.8%   +2.5   303
  LittleThought 1.03 32-bit          2340  +21  -21  47.5%  +19.2   826
  LittleThought 1.00 32-bit          2321  +33  -33  48.6%  +10.4   313

Created in 2005-2013 by CCRL team
Last games added on October 19, 2019