What’s the Rarest Move in Chess?
YouTuber Paralogical downloaded data from over 5 billion chess games to find the rarest move in chess. Slight spoiler: there are many possible moves that weren’t played in any of the games analyzed. The data and analysis programs used are available on Github:
This is a lil’ code to analyze chess .pgn files, with the goal of finding the “rarest” move in chess.
That is, the rarest move notation (standard algebraic notation) given a large number of input games (e.g. every rated game from lichess) in pgn format.
However, since there are many moves that never happen, this is moreso counting and categorizing moves of various types rather than finding one specific rare move.
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