Chess puzzle (Advantage)
Opening: Vienna_Game, Vienna_Game_Vienna_Gambit
Moves: 1. e4 e5 2. Nc3 Nf6 3. f4 d6 4. Nf3 Bg4 5. Bc4 Be7 6. O-O O-O 7. d4 exd4 8.
Qxd4 Nc6 9. Qf2 Nd7 10. Qg3 Bxf3 11. Rxf3 Bh4 12. Qg4 Nf6 *
Position (FEN): r2q1rk1/ppp2ppp/2np1n2/8/2B1PPQb/2N2R2/PPP3PP/R1B3K1 w - - 3 13
White to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1107
Best move: Qxh4