Study for Chess Players (Étude pour une partie d'échecs), late 1911. Brown ink with watercolor wash on writing paper, 8 3/8 x 7 1/4 inches (21.2 x 18.4 cm). Solomon R. Guggenheim Museum, New York,Gift, Estate of Katherine S. Dreier, 53.1339. © 2012 Artists Rights Society (ARS), New York/ADAGP, Paris/Succession Marcel Duchamp
