Chess puzzle (Checkmate)
Opening: Alekhine_Defense, Alekhine_Defense_Scandinavian_Variation
Moves: 1. e4 Nf6 2. Nc3 d5 3. e5 Nfd7 4. d4 Nb6 5. g3 Bf5 6. Bg2 e6 7. h4 h5 8. Be3
Nc4 9. Rb1 Nxe3 10. fxe3 c5 11. Nf3 Nc6 12. O-O Nb4 13. Ne1 Rh6 14. a3 Nc6 15.
Qf3 Rg6 16. Rd1 Bg4 *
Position (FEN): r2qkb2/pp3pp1/2n1p1r1/2ppP2p/3P2bP/P1N1PQP1/1PP3B1/3RNRK1 w q - 5 17
White to move.
Themes: Attacking f2 or f7 Middlegame Mate in 1 
Puzzle rating: 605
Best move: Qxf7#