('Recycle', 'Reuse pieces'),
('Royalrace', 'Kings cross the 11x11 board'),
('Rugby', 'Transform an essay'),
+ ('Schess', 'Seirawan-Harper Chess'),
('Shatranj', 'Ancient rules'),
('Suicide', 'Lose all pieces'),
('Suction', 'Attract opposite king'),
+ ('Synchrone', 'Play at the same time'),
('Threechecks', 'Give three checks'),
('Twokings', 'Two kings'),
('Upsidedown', 'Board upside down'),