('Checkless', 'No-check mode'),
('Chess960', 'Standard rules'),
('Circular', 'Run forward'),
+ ('Colorbound', 'The colorbound clobberers'),
('Coregal', 'Two royal pieces'),
('Crazyhouse', 'Captures reborn'),
('Cylinder', 'Neverending rows'),
('Grand', 'Big board'),
('Grasshopper', 'Long jumps over pieces'),
('Horde', 'A pawns cloud'),
+ ('Interweave', 'Interweaved colorbound teams'),
('Knightmate', 'Mate the knight'),
('Knightrelay1', 'Move like a knight (v1)'),
('Knightrelay2', 'Move like a knight (v2)'),
('Losers', 'Get strong at self-mate'),
('Magnetic', 'Laws of attraction'),
('Marseille', 'Double moves'),
+ ('Maxima', 'Occupy the enemy palace'),
('Monster', 'White move twice'),
('Omega', 'A wizard in the corner'),
('Orda', 'Mongolian Horde'),
('Racingkings', 'Kings cross the 8x8 board'),
('Rifle', 'Shoot pieces'),
('Recycle', 'Reuse pieces'),
+ ('Rococo', 'Capture on the edge'),
('Royalrace', 'Kings cross the 11x11 board'),
('Rugby', 'Transform an essay'),
('Schess', 'Seirawan-Harper Chess'),
('Shatranj', 'Ancient rules'),
('Suicide', 'Lose all pieces'),
('Suction', 'Attract opposite king'),
+ ('Takenmake', 'Prolongated captures'),
('Tencubed', 'Four new pieces'),
('Threechecks', 'Give three checks'),
('Twokings', 'Two kings'),