('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'),
('Pawnsking', 'Reach the last rank (v2)'),
('Perfect', 'Powerful pieces'),
('Pocketknight', 'Knight in pocket'),
- ('Progressive', 'Play more and more moves'),
+ ('Progressive1', 'Play more and more moves (v1)'),
+ ('Progressive2', 'Play more and more moves (v2)'),
('Queenpawns', 'Queen versus pawns'),
('Racingkings', 'Kings cross the 8x8 board'),
('Rampage', 'Move under cover'),
('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'),
('Wildebeest', 'Balanced sliders & leapers'),
('Wormhole', 'Squares disappear'),
('Zen', 'Reverse captures');