The Blue King - from Henry Moore's King and Queen
The Red Queen - from Marino Marini's Pomona
The Red Bishop - from Giacomo Manzu's Cardinale Seduto
The Blue Castle - from Umberto Boccioni's Development of a Bottle in Space
The Blue Knight - from Raymond Duchamp-Villon's The Large Horse
The Red Pawn - from Jean Arp's En Songe