US Patent 7500673 Dual game with chess

A combination of a chess game and a card game provides a more challenging game not achievable by playing only the chess game or only the card game. The cards in the card game are laid on the chessboard face down and both games are played simultaneously with some changes made to make the two games adoptable to each other without departing too much from the known rules of the game. Two players take alternate turn on the chess game. A capture of a chess piece or a landing of a chess piece at a designated square and territory on the chessboard triggers an action on the card game. The game ends with a checkmate, a draw, or when a certain points are garnished by a player on the card game.