// Increase the bonus if the passed pawn is supported by a friendly pawn
// on the same rank and a bit smaller if it's on the previous rank.
- supportingPawns = pos.pieces(PAWN, Us) & neighboring_files_bb(file_of(s));
+ supportingPawns = pos.pieces(PAWN, Us) & adjacent_files_bb(file_of(s));
if (supportingPawns & rank_bb(s))
ebonus += Value(r * 20);
pliesToGo = 2 * movesToGo - int(loserSide == pos.side_to_move());
// Generate list of blocking pawns and supporters
- supporters = neighboring_files_bb(file_of(s)) & candidates;
+ supporters = adjacent_files_bb(file_of(s)) & candidates;
opposed = squares_in_front_of(loserSide, s) & pos.pieces(PAWN, winnerSide);
blockers = passed_pawn_mask(loserSide, s) & pos.pieces(PAWN, winnerSide);