Bitboard b, weak, defended;
Score score = SCORE_ZERO;
- // Non-pawn enemies defended by a pawn and under our attack
+ // Non-pawn enemies defended by a pawn
defended = (pos.pieces(Them) ^ pos.pieces(Them, PAWN))
- & ei.attackedBy[Them][PAWN]
- & (ei.attackedBy[Us][KNIGHT] | ei.attackedBy[Us][BISHOP] | ei.attackedBy[Us][ROOK]);
+ & ei.attackedBy[Them][PAWN];
// Add a bonus according to the kind of attacking pieces
if (defended)