COLOUR_FLAG        28 src/colour.h   #define COLOUR_IS(piece,colour) (FLAG_IS((piece),COLOUR_FLAG(colour)))
COLOUR_FLAG       589 src/eval.cpp         opp_flag = COLOUR_FLAG(opp);
COLOUR_FLAG       199 src/move_do.cpp       rook = Rook64 | COLOUR_FLAG(me); // HACK
COLOUR_FLAG       246 src/move_do.cpp       rook = Rook64 | COLOUR_FLAG(me); // HACK
COLOUR_FLAG        96 src/move_evasion.cpp    opp_flag = COLOUR_FLAG(opp);
COLOUR_FLAG       127 src/move_gen.cpp    opp_flag = COLOUR_FLAG(opp);
COLOUR_FLAG       205 src/move_gen.cpp    opp_flag = COLOUR_FLAG(opp);
COLOUR_FLAG      1130 src/search_full.cpp    opp_flag = COLOUR_FLAG(opp);