: Massive "million-game" archives where specific moves are indexed.
: This appears to be a specific chess move in Algebraic Notation or a position ID. In some engines or databases, "Gg1e4" might represent a piece on the g1 square moving to e4 . Gg1e4 Pgn 7z
: This is the standard plain-text computer-processable format for recording chess games. It includes both metadata (players, date, result) and the move list. Tools like the pgn-extract manipulator are often used to handle these files. : Massive "million-game" archives where specific moves are
You likely encountered this while searching for a specific chess database or archive. Large collections of chess games (in format) are often compressed using 7z to save space. A search for a specific position or move (like Gg1e4 ) alongside these file extensions often leads to: You likely encountered this while searching for a