Chess puzzle (Advantage)
Opening: Vienna_Game, Vienna_Game_Max_Lange_Defense
Moves: 1. Nc3 e5 2. e4 Nc6 3. a4 Bb4 4. Nd5 Nf6 5. c3 Bc5 6. b4 Bd6 7. Bc4 Nxe4 8. Qf3
O-O *
Position (FEN): r1bq1rk1/pppp1ppp/2nb4/3Np3/PPB1n3/2P2Q2/3P1PPP/R1B1K1NR w KQ - 2 9
White to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1473
Best move: Qxe4