L.H.O.O.Q. and wrote "Moustache par Picabia / barbiche par Marcel Duchamp / avril 1942". As was the case with a number of his readymades, Duchamp made multiple versions of "L.H.O.O.Q." of differing sizes and in different media throughout his career, one of which, an unmodified black and white reproduction of the "Mona Lisa" mounted on card, is called "L.H.O.O.Q. Shaved". The masculinized female introduces the theme of gender reversal, which was popular with Duchamp, who adopted his own female pseudonym, Rrose Sélavy, pronounced "Eros, c'est la vie" ("Eros, that's life"). Primary responses to "L.H.O.O.Q." interpreted its meaning as being an attack
Marcel Duchamp which he studied for the rest of his life to the exclusion of most other activities. Duchamp is seen, briefly, playing chess with Man Ray in the short film "Entr'acte" (1924) by René Clair. He designed the 1925 Poster for the Third French Chess Championship, and as a competitor in the event, finished at fifty percent (3–3, with two draws), earning the title of chess master. During this period his fascination with chess so distressed his first wife that she glued his pieces to the board. Duchamp continued to play in the French Championships and also in the Chess Olympiads