('Spartan', 'Spartan versus Persians'),
('Squatter1', 'Squat last rank (v1)'),
('Squatter2', 'Squat last rank (v2)'),
+ ('Stealthbomb', 'Beware the bomb'),
('Suicide', 'Lose all pieces'),
('Suction', 'Attract opposite king'),
('Swap', 'Dangerous captures'),