Chess puzzle (Checkmate)
Opening: Alekhine_Defense, Alekhine_Defense_Scandinavian_Variation
Moves: 1. e4 d5 2. exd5 Nf6 3. Nc3 c6 4. dxc6 Nxc6 5. Bb5 Bd7 6. Nf3 a6 7. Bc4 e6 8.
O-O Na5 9. Bd3 Bc5 10. a3 Ba7 11. b4 Nc6 12. Bb2 O-O 13. Re1 Bb8 14. Ne4 Nxe4
15. Bxe4 Ne7 16. Nh4 Bc6 17. Qg4 Bxe4 *
Position (FEN): rb1q1rk1/1p2nppp/p3p3/8/1P2b1QN/P7/1BPP1PPP/R3R1K1 w - - 0 18
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 1246
Best move: Qxg7#