Update reverse move stats

[stockfish] / src / types.h

diff --git a/src/types.h b/src/types.h
index 3559d72b5ee93627019d2f25043ec61f8fe07004..934f884e8fb5b740e3b5f1a40dfcd57560c68b87 100644 (file)
--- a/src/types.h
+++ b/src/types.h
@@ -442,6 +442,10 @@ constexpr Move make_move(Square from, Square to) {
   return Move((from << 6) + to);
 }
 
+constexpr Move reverse_move(Move m) {
+  return make_move(to_sq(m), from_sq(m));
+}
+
 template<MoveType T>
 constexpr Move make(Square from, Square to, PieceType pt = KNIGHT) {
   return Move(T + ((pt - KNIGHT) << 12) + (from << 6) + to);