Vienna Game Hanging Piece Intermediate Chess Puzzles

The vienna game hanging piece intermediate theme appears in Vienna Game positions where one side leaves a piece undefended or only superficially protected after the opening develops, often around the early central tension after 1.e4 e5 2.Nc3. For an intermediate player, the key idea is not the opening move order itself, but recognizing when a knight, bishop, or queen is sitting on a square with no safe retreat and can be won by a direct tactical hit.