Chess puzzle (Advantage)
Opening: Vienna_Game, Vienna_Game_Vienna_Gambit
Moves: 1. e4 Nc6 2. Nc3 e5 3. f4 exf4 4. d3 a6 5. Bxf4 Nd4 6. Nf3 Nxf3+ 7. Qxf3 Bb4 8.
Bd2 Nf6 9. Be2 O-O 10. O-O Qe7 11. Bg5 Bxc3 12. bxc3 Qc5+ 13. d4 *
Position (FEN): r1b2rk1/1ppp1ppp/p4n2/2q3B1/3PP3/2P2Q2/P1P1B1PP/R4RK1 b - - 0 13
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 1100
Best move: Qxg5