+ Score shelters[3] = { evaluate_shelter<Us>(pos, ksq),
+ make_score(-VALUE_INFINITE, 0),
+ make_score(-VALUE_INFINITE, 0) };
+
+ // If we can castle use the bonus after castling if it is bigger
+ if (pos.can_castle(Us & KING_SIDE))
+ shelters[1] = evaluate_shelter<Us>(pos, relative_square(Us, SQ_G1));
+
+ if (pos.can_castle(Us & QUEEN_SIDE))
+ shelters[2] = evaluate_shelter<Us>(pos, relative_square(Us, SQ_C1));
+
+ for (int i : {1, 2})
+ if (mg_value(shelters[i]) > mg_value(shelters[0]))
+ shelters[0] = shelters[i];
+
+ // In endgame we like to bring our king near our closest pawn