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 of Rrose Sélavy, entitled, "Poils et coups de pieds en tous genres". In 1918, Duchamp took leave of the New York art scene, interrupting his work on the "Large Glass", and went to Buenos Aires, where he remained for nine months and often played chess. He carved his own chess set from wood with help from a local craftsman who made the knights. He moved to Paris in 1919, and then back to the United States in 1920. Upon his return to Paris in 1923, Duchamp was, in essence, no longer a practicing artist. Instead, his main interest was chess,