Chess puzzle (Advantage)
Opening: Russian_Game, Russian_Game_Stafford_Gambit
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 4. d4 Nxe5 5. dxe5 Nxe4 6. Bd3 Nc5 7. Nc3 Nxd3+
8. cxd3 d6 9. O-O Be7 10. exd6 Bxd6 11. Re1+ Be6 12. Qh5 O-O 13. Bg5 Be7 14.
Bxe7 Qxe7 15. Nd5 Qd8 16. Nf4 Qd6 17. Re3 *
Position (FEN): r4rk1/ppp2ppp/3qb3/7Q/5N2/3PR3/PP3PPP/R5K1 b - - 5 17
Black to move.
Themes: Hanging Piece Middlegame  
Puzzle rating: 939
Best move: Qxf4