('Bishopawns', 'Bishop versus pawns'),
('Cannibal', 'Capture powers'),
('Capture', 'Mandatory captures'),
+ ('Castle', 'Win by castling long'),
('Checkered1', 'Shared pieces (v1)'),
('Checkered2', 'Shared pieces (v2)'),
('Checkless', 'No-check mode'),
('Dynamo', 'Push and pull'),
('Eightpieces', 'Each piece is unique'),
('Enpassant', 'Capture en passant'),
+ ('Evolution', 'Faster development'),
('Extinction', 'Capture all of a kind'),
('Football', 'Score a goal'),
('Forward', 'Moving forward'),
('Teleport', 'Reposition pieces'),
('Tencubed', 'Four new pieces'),
('Threechecks', 'Give three checks'),
+ ('Titan', 'Extra bishops and knights'),
('Twokings', 'Two kings'),
('Upsidedown', 'Board upside down'),
('Vchess', 'Pawns capture backward'),