+ ('Rococo', 'Capture on the edge'),
+ ('Royalrace', 'Kings cross the 11x11 board'),
+ ('Rugby', 'Transform an essay'),
+ ('Schess', 'Seirawan-Harper Chess'),
+ ('Shako', 'Non-conformism and utopia'),
+ ('Shatranj', 'Ancient rules'),
+ ('Shogi', 'Japanese Chess'),
+ ('Sittuyin', 'Burmese chess'),
+ ('Suicide', 'Lose all pieces'),
+ ('Suction', 'Attract opposite king'),
+ ('Takenmake', 'Prolongated captures'),
+ ('Teleport', 'Reposition pieces'),
+ ('Tencubed', 'Four new pieces'),
+ ('Threechecks', 'Give three checks'),
+ ('Twokings', 'Two kings'),