#define EMPTY 0		/* 8 is also considered empty */
#define PAWN 1
#define KNIGHT 2
#define BISHOP 3
#define ROOK 4
#define QUEEN 5
#define KING 6
#define WPMAWN 1
#define WKNIGHT 2
#define WBISHOP 3
#define WROOK 4
#define WQUEEN 5
#define WKING 6
#define BPAWN 9
#define BKNIGHT 10
#define BBISHOP 11
#define BROOK 12
#define BQUEEN 13
#define BKING 14
#define UNDEFINED 100
#define UNDEF 100

