Chess puzzle (Checkmate)
Opening: Queens_Gambit_Accepted, Queens_Gambit_Accepted_Rosenthal_Variation
Moves: 1. d4 e6 2. c4 d5 3. Nf3 dxc4 4. e3 b5 5. Nc3 Bb4 6. Bd2 c6 7. a3 Ba5 8. b4
cxb3 9. Qxb3 Bxc3 10. Bxc3 Ne7 11. Bd3 Nd5 12. Rc1 Ba6 13. h4 b4 14. Bxa6 Nxa6
15. a4 bxc3 16. Qb7 Nab4 17. Ne5 Rc8 *
Position (FEN): 2rqk2r/pQ3ppp/2p1p3/3nN3/Pn1P3P/2p1P3/5PP1/2R1K2R w Kk - 4 18
White to move.
Themes: Attacking f2 or f7 Middlegame Mate in 1 
Puzzle rating: 1001
Best move: Qxf7#