('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'),
('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'),
('Threechecks', 'Give three checks'),
('Twokings', 'Two kings'),
('Upsidedown', 'Board upside down'),
+ ('Vchess', 'Pawns capture backward'),
('Wildebeest', 'Balanced sliders & leapers'),
('Wormhole', 'Squares disappear'),
('Zen', 'Reverse captures');