+ ('Hypnotic', 'Mind control (v1)'),
+ ('Iceage', 'Ice Age is coming!'),
+ ('Interweave', 'Interweaved colorbound teams'),
+ ('Isardam', 'No paralyzed pieces'),
+ ('Janggi', 'Korean Chess'),
+ ('Joker', 'Replace pieces'),
+ ('Karouk', 'Thai Chess (v3)'),
+ ('Kinglet', 'Protect your pawns'),
+ ('Kingsmaker', 'Promote into kings'),
+ ('Knightmate1', 'Mate the knight (v1)'),
+ ('Knightmate2', 'Mate the knight (v2)'),
+ ('Knightpawns', 'Knight versus pawns'),