Lumichess

Lumichess brings chess tools into Claude. Ask about a game, a player, an opening or a position, and Claude answers with real data plus a link to the matching page on lumichess.com, where Stockfish runs in the browser. Tools: - Review a chess game: paste a Chess.com or Lichess game link and get a link to its move-by-move review (accuracy for both players, every move classified). Pasted PGN is summarised: players, result, opening and final position. - Chess.com or Lichess ratings: current ratings and win/loss record for any public player. - FIDE rating lookup: official standard, rapid and blitz ratings, title, federation and birth year by name or FIDE ID. - Chess opening guide and Name the opening: first moves, ECO codes and how often an opening is played, or the opening name from a list of moves and the move where the game left theory. - Position facts: side to move, check, mate or stalemate, material and every legal move for a FEN. - Daily chess puzzle: today's puzzle with its rating, themes and solution. - Elo rating change: expected score and rating change for a win, draw or loss. All tools are read-only and need no account. The server stores no conversation data.