Forgot to commit

chess.py

@@ -490,7 +490,6 @@ class Game:
            the move puts the player in check."""
         new = deepcopy(self)
         valid = new.move(source, dest, promotion)
-        new.turn = self.turn
         return valid, new
 
     def AN_move(self, move):
@@ -517,8 +516,9 @@ class Game:
         moves = []
         for sq in sqrs:
             valid, new = self.validate_move(sq, dest, promotion)
-            check = new.is_check()==info.check and new.is_mate()==info.mate
-            if valid and check:
+            check = new.is_check()==info.check
+            mate  = new.is_mate()==info.mate
+            if valid and (check or mate):
                 moves.append((sq, dest, promotion))
         if len(moves) != 1:
             return False

main.py

@@ -34,6 +34,7 @@ def move():
     id = request.get_cookie("gameid", secret=KEY)
     valid = True
     if is_submitted("newgame"):
+        if id in games:
             del games[id]
         redirect("/")
     if is_submitted("prev"):