Remove an useless assert in evaluate_passed_pawns()

[stockfish] / src / evaluate.cpp

diff --git a/src/evaluate.cpp b/src/evaluate.cpp
index 0153fa95a41c613cba09a4ff5521dc834da5227d..f1bfa5c6cd867fe55ef3c3a85f1db79ff08d655c 100644 (file)
--- a/src/evaluate.cpp
+++ b/src/evaluate.cpp
@@ -812,7 +812,6 @@ namespace {
     {
         Square s = pop_1st_bit(&b);
 
-        assert(pos.piece_on(s) == piece_of_color_and_type(Us, PAWN));
         assert(pos.pawn_is_passed(Us, s));
 
         int r = int(relative_rank(Us, s) - RANK_2);
@@ -914,6 +913,7 @@ 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());