COLOUR_IS_BLACK   306 src/eval.cpp      if (COLOUR_IS_BLACK(board->turn)) eval = -eval;
COLOUR_IS_BLACK   945 src/eval.cpp            if (COLOUR_IS_BLACK(att)) sq = SQUARE_RANK_MIRROR(sq);
COLOUR_IS_BLACK  1299 src/eval.cpp      if (COLOUR_IS_BLACK(pawn_colour)) {
COLOUR_IS_BLACK  1347 src/eval.cpp            if (COLOUR_IS_BLACK(turn) && SQUARE_FILE(bq) != FileB) return false;
COLOUR_IS_BLACK  1380 src/eval.cpp            if (COLOUR_IS_BLACK(turn) && SQUARE_FILE(bq) != FileB) return false;
COLOUR_IS_BLACK  1386 src/eval.cpp            if (COLOUR_IS_BLACK(turn) && SQUARE_FILE(bq) != FileD) return false;
COLOUR_IS_BLACK  1462 src/eval.cpp         if (COLOUR_IS_BLACK(turn) && br_file != (wk_file + wp_file) / 2) return false;