The rebels formed the white pieces: Luke and Leia, of course, as the King and Queen, C3PO is a bishop, Chewbaca Knight, Yoda is Rook and R2D2 portrays Pawn. In total, there are 12 different characters available, that represent individual chess pieces. As the name suggests, this is a chess where the figures are portrayed by a various characters from Star Wars. The main genre of these games is mainly action, simulation and adventure, but in 1993 Software Toolworks created an unconventional Star Wars game: Star Wars Chess.
Star Wars is definitely one the most successful film saga in history, so no wonder it has inspired a number of computer games.