Chess.com's master games database
Chess.com has a huge collection of games played by the best players on Earth, and you can browse it for free! You don't even need to have an account!
Here's how to do it:
Hover over 'More' on the left menu and click 'Games Database' under the 'Resources' subheading
You'll be taken to our master games database, which you can browse, or search for specific dates, positions, and more, or click on the picture of your favorite player to see all their games:
You can filter your search by using the options under the 'Games' menu on the right side - Click on 'Advanced' to see the whole list of options!
You can search by opening, by players, by game results, rating, year, number of moves, or even search for an exact position by entering a FEN!
📚 Check out this article to learn more about FENs: What are PGN & FEN?