('Doublemove2', 'Double moves (v2)'),
('Dynamo', 'Push and pull'),
('Eightpieces', 'Each piece is unique'),
+ ('Empire', 'Empire versus Kingdom'),
('Enpassant', 'Capture en passant'),
('Evolution', 'Faster development'),
('Extinction', 'Capture all of a kind'),
('Suction', 'Attract opposite king'),
('Swap', 'Dangerous captures'),
('Switching', 'Exchange pieces'' positions'),
+ ('Synochess', 'Dynasty versus Kingdom'),
('Takenmake', 'Prolongated captures'),
('Teleport', 'Reposition pieces'),
('Tencubed', 'Four new pieces'),