Enable functionality of previous patch

Now under-promotion checks are generated.

Signed-off-by: Marco Costalba <mcostalba@gmail.com>

diff --git a/src/movegen.cpp b/src/movegen.cpp
index ce8f54cac77ef35a103a662a63c71f58c41f02cf..8ec7124b1095c5517fd0252dcbb40723c65a522f 100644 (file)
--- a/src/movegen.cpp
+++ b/src/movegen.cpp
@@ -730,7 +730,7 @@ namespace {
     {
         // When generating checks consider under-promotion moves (both captures
         // and non captures) only if can give a discovery check.
     {
         // When generating checks consider under-promotion moves (both captures
         // and non captures) only if can give a discovery check.

-        Bitboard pp = GenerateChecks ? pawns & dc & EmptyBoardBB: pawns;
+        Bitboard pp = GenerateChecks ? pawns & dc : pawns;

         Bitboard enemyPieces = pos.pieces_of_color(opposite_color(Us));
 
         // Underpromotion captures in the a1-h8 (a8-h1 for black) direction
         Bitboard enemyPieces = pos.pieces_of_color(opposite_color(Us));
 
         // Underpromotion captures in the a1-h8 (a8-h1 for black) direction