Items Invented by Martin Nilsson
Chickens and Dragons.
A piece's allowed moves depend on what's on its neighbour squares. (8x8, Cells: 64) By Martin Nilsson.
Kjempe Chess. A large variant that hopefully is easy to get into. (12x12, Cells: 144) By Martin Nilsson.
Swapper Superheroes Chess.
Normal chess with the addition of one or more 'swapper' pieces. (8x8, Cells: 64) By Martin Nilsson.