For bulk downloads of master games, these sites are industry standards:
: On a game page, click Analysis Board , go to the FEN & PGN (or Share & Export) tab, and select Download annotated or Download raw .
A PGN file is a plain text file that stores the sequence of moves and metadata about a game. It typically includes: Portable Game Notation (PGN) - Chess.com
If you are looking to download chess games in PGN format, here is how you can do so from major platforms and repositories. 1. Downloading PGNs from Major Chess Sites
: Open any completed game, click the Share icon (bottom of the Analysis tab), select the PGN tab, and click Download .