h3 Special moves
-p.
- Castling is possible as in orthodox 8x8 game. The white king move to c1 or
- i1 (one square to the left of bottom-right corner) for large (resp. small)
- castle. Same for black on the other side.
+p Castling is not permitted.
p.
Promotion is mandatory for a pawn reaching the last rank. However, they can
Pawn promotion is possible (but not forced) on the two ranks before last,
only in an already captured (friendly) piece.
-p.
- Note: I changed the author's starting position, to increase randomness
- (and uniformize with other variants).
- Thus the castling rule was introduced compared to the rules described
- on chessvariants.com.
-
h3 Source
p