SEGA CHESS (Sega Master System). This preowned Sega Mastersystem game cartridge is in excellent condition as pictured. Cartridge only. Box not included. Follow Appleby Games on Facebook & Instagram for Free $20 Vouchers for every $200 spent with our Loyalty Programme, product updates, competitions, and find our store opening hours on Google. The object of the game is to trap the opponent's king in a position that it cannot escape, which is called a "checkmate." It can be played from a overhead, 2D view or an isometric, pseudo-3D view. White moves first. . Placing a piece back in its original location allows the player to choose a different piece.