The Game of Warriors

'Che Guevara playing chess?' Yup, Che Guevara playing chess.

Che Guevara playing chess? © Flickr user Julio Martinez under Creative Commons.

'Bocanegra, Benito Juarez, Harry Potter (or young Diego Rivera), Che Guevara (or Castro).' Nope, Che Guevara (not Castro). The same image of Che was used on a stamp / souvenir sheet issued by Turkmenistan in 1997.