('Allmate', 'Mate any piece'),
('Antiking', 'Keep antiking in check'),
('Antimatter', 'Dangerous collisions'),
('Allmate', 'Mate any piece'),
('Antiking', 'Keep antiking in check'),
('Antimatter', 'Dangerous collisions'),
('Atomic', 'Explosive captures'),
('Baroque', 'Exotic captures'),
('Benedict', 'Change colors'),
('Berolina', 'Pawns move diagonally'),
('Checkered', 'Shared pieces'),
('Atomic', 'Explosive captures'),
('Baroque', 'Exotic captures'),
('Benedict', 'Change colors'),
('Berolina', 'Pawns move diagonally'),
('Checkered', 'Shared pieces'),
('Chess960', 'Standard rules'),
('Circular', 'Run forward'),
('Crazyhouse', 'Captures reborn'),
('Chess960', 'Standard rules'),
('Circular', 'Run forward'),
('Crazyhouse', 'Captures reborn'),
('Enpassant', 'Capture en passant'),
('Extinction', 'Capture all of a kind'),
('Grand', 'Big board'),
('Enpassant', 'Capture en passant'),
('Extinction', 'Capture all of a kind'),
('Grand', 'Big board'),
+ ('Hiddenqueen', 'Queen disguised as a pawn'),
+ ('Knightmate', 'Mate the knight'),
+ ('Knightrelay', 'Move like a knight'),
('Losers', 'Lose all pieces'),
('Magnetic', 'Laws of attraction'),
('Marseille', 'Move twice'),
('Losers', 'Lose all pieces'),
('Magnetic', 'Laws of attraction'),
('Marseille', 'Move twice'),
('Royalrace', 'King crosses the board'),
('Recycle', 'Reuse pieces'),
('Royalrace', 'King crosses the board'),
('Recycle', 'Reuse pieces'),
('Suction', 'Attract opposite king'),
('Upsidedown', 'Board upside down'),
('Wildebeest', 'Balanced sliders & leapers'),
('Suction', 'Attract opposite king'),
('Upsidedown', 'Board upside down'),
('Wildebeest', 'Balanced sliders & leapers'),