('Berolina', 'Pawns move diagonally'),
('Cannibal', 'Capture powers'),
('Capture', 'Mandatory captures'),
- ('Checkered', 'Shared pieces'),
+ ('Checkered1', 'Shared pieces (v1)'),
+ ('Checkered2', 'Shared pieces (v2)'),
('Checkless', 'No-check mode'),
('Chess960', 'Standard rules'),
('Circular', 'Run forward'),