L.H.O.O.Q. a late interview (Schwarz 203), Duchamp gives a loose translation of "L.H.O.O.Q." as "there is fire down below". Francis Picabia, in an attempt to publish "L.H.O.O.Q." in his magazine 391 could not wait for the work to be sent from New York City, so with the permission of Duchamp, drew the moustache on Mona Lisa himself (forgetting the goatee). Picabia wrote underneath "Tableau Dada par Marcel Duchamp". Duchamp noticed the missing goatee. Two decades later, Duchamp corrected the omission on Picabia's replica, found by Jean Arp at a bookstore. Duchamp drew the goatee in black ink with a fountain pen,
Marcel Duchamp photoelectric cells underneath the chessboard, triggered sporadically by normal game play. On choosing a career in chess, Duchamp said, "If Bobby Fischer came to me for advice, I certainly would not discourage him—as if anyone could—but I would try to make it positively clear that he will never have any money from chess, live a monk-like existence and know more rejection than any artist ever has, struggling to be known and accepted." Duchamp left a legacy to chess in the form of an enigmatic endgame problem he composed in 1943. The problem was included in the announcement for Julian Levi's