Chess puzzle (Checkmate)
Opening: Benko_Gambit, Benko_Gambit_Other_variations
Moves: 1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 e6 5. Nc3 exd5 6. Nxd5 Bb7 7. Nxf6+ Qxf6 8.
Nf3 d5 9. Bg5 Qxb2 10. Rb1 Qxa2 11. e4 d4 12. Ne5 Bxe4 13. Bc4 Qxb1 14. Qxb1
Bxb1 *
Position (FEN): rn2kb1r/p4ppp/8/1Pp1N1B1/2Bp4/8/5PPP/1b2K2R w Kkq - 0 15
White to move.
Themes: Attacking f2 or f7 Middlegame Mate in 1 
Puzzle rating: 981
Best move: Bxf7#