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 5 engines!
5 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
Strelka 5.5 64-bit                 3104   +6   -6  45.6%  +32.0  9977
  Strelka 5.5 32-bit                 3089  +15  -15  62.4%  -76.7  1370
  Strelka 5.1 32-bit                 3082  +15  -15  61.1%  -69.9  1334
  Strelka 1.8 32-bit                 2769  +19  -19  47.6%  +15.1   878
  Strelka 1.0b 32-bit                2750  +28  -27  52.8%  -16.8   413

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