Computes the legal move destinations in the format used by chessground.
Includes both possible representations of castling moves (unless chess960 mode is enabled), so that the rookCastles option will work correctly.
chess960
rookCastles
Optional
Computes the legal move destinations in the format used by chessground.
Includes both possible representations of castling moves (unless
chess960mode is enabled), so that therookCastlesoption will work correctly.