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Mistake

Philippe Stamma introduced the algebraic notation (1737) and Johann Allgaier the castling symbols (1811)!-- Wikiraven65 ( talk) 13:01, 30 March 2017 (UTC) reply

Yes, correct. I have changed the text to say he used those notations. Macdonald-ross ( talk) 13:15, 30 June 2018 (UTC) reply