Readymades of Marcel Duchamp not the true "Mona Lisa", but Duchamp's own slightly-different version that he modelled partly after himself. The inference of Shearer's viewpoint is that Duchamp was creating an even larger joke than he admitted. Readymades of Marcel Duchamp The readymades of Marcel Duchamp are ordinary manufactured objects that the artist selected and modified, as an antidote to what he called "retinal art". By simply choosing the object (or objects) and repositioning or joining, titling and signing it, the Found object became art. Duchamp was not interested in what he called "retinal art" — art that was only visual — and sought
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