Proprietary formats for ChessBase , the industry-standard software for game analysis.
Many chess archives include "Weston" in metadata for collections of games from 1925, particularly the Moscow International Tournament . This was the first state-sponsored tournament in history, featuring legends like Jose Raul Capablanca and Emanuel Lasker . Technical Context of the .7z Archive
A prestigious British tournament that attracted international masters. While often overshadowed by the 1924 or 1926 editions (the latter won by Max Euwe ), the 1925 event served as a critical testing ground for European masters.