Bitboard bb = (b & ~ei.attackedBy[them][PAWN]);
// Mobility
- int mob = count_1s_max_15(bb & ~p.pieces_of_color(us));
+ int mob = (Piece != QUEEN ? count_1s_max_15(bb & ~p.pieces_of_color(us))
+ : count_1s(bb & ~p.pieces_of_color(us)));
+
ei.mgMobility += Sign[us] * MgBonus[Piece][mob];
ei.egMobility += Sign[us] * EgBonus[Piece][mob];
Square b6 = relative_square(us, (square_file(s) == FILE_A) ? SQ_B6 : SQ_G6);
Square b8 = relative_square(us, (square_file(s) == FILE_A) ? SQ_B8 : SQ_G8);
- if ( pos.piece_on(b6) == pawn_of_color(opposite_color(us))
+ if ( pos.piece_on(b6) == piece_of_color_and_type(opposite_color(us), PAWN)
&& pos.see(s, b6) < 0
&& pos.see(s, b8) < 0)
{
void evaluate_trapped_bishop_a1h1(const Position &pos, Square s, Color us,
EvalInfo &ei) {
- Piece pawn = pawn_of_color(us);
+ Piece pawn = piece_of_color_and_type(us, PAWN);
Square b2, b3, c3;
assert(Chess960);