extern ChessSquare PromoPiece P((ChessMove moveType));
extern ChessMove PromoCharToMoveType P((int whiteOnMove, int promoChar));
-extern char PieceToChar P((ChessSquare p));
extern char PieceSuffix P((ChessSquare p));
extern ChessSquare CharToPiece P((int c));
extern int PieceToNumber P((ChessSquare p));
extern int CompareBoards P((Board board1, Board board2));
extern unsigned char pieceToChar[(int)EmptySquare+1];
extern unsigned char pieceNickName[(int)EmptySquare];
+extern int promoPartner[(int)EmptySquare];
extern char *pieceDesc[(int)EmptySquare];
extern Board initialPosition;
extern Boolean pieceDefs;