Anyone who has ever studied game theory knows the name Lloyd Shapley. Just recall Matching, Deferred-Acceptance Algorithm, Core, Market Games, Stochastic Games, Shapley value, and Shapley vector. But Professor Shapley was also a great lover of chess with imperfect information. Upon our first...

The survey presents recent results in the theory of two-person zero-sum repeated games and their connections with differential and continuous-time games. The emphasis is made on the following (1) A general model allows to deal simultaneously with stochastic and informational aspects. (2) All...