+ ('Makruk', 'Thai Chess'),
+ ('Maxima', 'Occupy the enemy palace'),
+ ('Minishogi', 'Shogi 5 x 5'),
+ ('Monochrome', 'All of the same color'),
+ ('Monster', 'White move twice'),
+ ('Omega', 'A wizard in the corner'),
+ ('Orda', 'Mongolian Horde'),
+ ('Parachute', 'Landing on the board'),
+ ('Perfect', 'Powerful pieces'),