Chess puzzle (Checkmate)
Opening: Russian_Game, Russian_Game_Damiano_Variation
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nxe4 4. d3 Nd6 5. Be2 Qf6 6. d4 Ne4 7. O-O d6 8.
Ng4 Qg6 9. Bf3 Bxg4 10. Bxg4 Nf6 11. Re1+ Be7 12. Bf3 d5 13. Qe2 Nc6 14. Nc3
Nxd4 *
Position (FEN): r3k2r/ppp1bppp/5nq1/3p4/3n4/2N2B2/PPP1QPPP/R1B1R1K1 w kq - 0 15
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1000
Best move: Qxe7#