('Antimatter', 'Dangerous collisions'),
('Arena', 'Middle battle'),
('Atomic', 'Explosive captures'),
('Antimatter', 'Dangerous collisions'),
('Arena', 'Middle battle'),
('Atomic', 'Explosive captures'),
('Baroque', 'Exotic captures'),
('Benedict', 'Change colors'),
('Berolina', 'Pawns move diagonally'),
('Baroque', 'Exotic captures'),
('Benedict', 'Change colors'),
('Berolina', 'Pawns move diagonally'),
('Checkered', 'Shared pieces'),
('Chess960', 'Standard rules'),
('Circular', 'Run forward'),
('Checkered', 'Shared pieces'),
('Chess960', 'Standard rules'),
('Circular', 'Run forward'),
('Crazyhouse', 'Captures reborn'),
('Cylinder', 'Neverending rows'),
('Dark', 'In the shadow'),
('Crazyhouse', 'Captures reborn'),
('Cylinder', 'Neverending rows'),
('Dark', 'In the shadow'),
('Losers', 'Get strong at self-mate'),
('Magnetic', 'Laws of attraction'),
('Marseille', 'Move twice'),
('Losers', 'Get strong at self-mate'),
('Magnetic', 'Laws of attraction'),
('Marseille', 'Move twice'),
('Racingkings', 'Kings cross the 8x8 board'),
('Rifle', 'Shoot pieces'),
('Recycle', 'Reuse pieces'),
('Royalrace', 'Kings cross the 11x11 board'),
('Racingkings', 'Kings cross the 8x8 board'),
('Rifle', 'Shoot pieces'),
('Recycle', 'Reuse pieces'),
('Royalrace', 'Kings cross the 11x11 board'),
('Shatranj', 'Ancient rules'),
('Suicide', 'Lose all pieces'),
('Suction', 'Attract opposite king'),
('Threechecks', 'Give three checks'),
('Shatranj', 'Ancient rules'),
('Suicide', 'Lose all pieces'),
('Suction', 'Attract opposite king'),
('Threechecks', 'Give three checks'),
('Upsidedown', 'Board upside down'),
('Wildebeest', 'Balanced sliders & leapers'),
('Wormhole', 'Squares disappear'),
('Upsidedown', 'Board upside down'),
('Wildebeest', 'Balanced sliders & leapers'),
('Wormhole', 'Squares disappear'),