('Avalanche', 'Pawnfalls'),
('Ball', 'Score a goal'),
('Balaklava', 'Meet the Mammoth'),
+ ('Bario', 'A quantum story'),
('Baroque', 'Exotic captures'),
('Benedict', 'Change colors'),
('Berolina', 'Pawns move diagonally'),
('Relayup', 'Upgrade pieces'),
('Rifle', 'Shoot pieces'),
('Recycle', 'Reuse pieces'),
+ ('Refusal', 'Do not play that!'),
('Rollerball', 'As in the movie'),
('Rococo', 'Capture on the edge'),
('Rookpawns', 'Rook versus pawns'),
('Shako', 'Non-conformism and utopia'),
('Shatranj', 'Ancient rules'),
('Shogi', 'Japanese Chess'),
+ ('Shogun', 'General''s Chess'),
('Sittuyin', 'Burmese Chess'),
('Spartan', 'Spartan versus Persians'),
- ('Squatter', 'Squat last rank'),
+ ('Squatter1', 'Squat last rank (v1)'),
+ ('Squatter2', 'Squat last rank (v2)'),
('Suicide', 'Lose all pieces'),
('Suction', 'Attract opposite king'),
('Swap', 'Dangerous captures'),