diff --git a/src/evaluate.cpp b/src/evaluate.cpp index 0153fa95..4987a531 100644 --- a/src/evaluate.cpp +++ b/src/evaluate.cpp @@ -914,6 +914,7 @@ namespace { Square s = pop_1st_bit(&b); Square queeningSquare = relative_square(c, make_square(square_file(s), RANK_8)); int d = square_distance(s, queeningSquare) + - (relative_rank(c, s) == RANK_2) // Double pawn push - square_distance(pos.king_square(opposite_color(c)), queeningSquare) + int(c != pos.side_to_move());