Chess puzzle (Checkmate)
Opening: Modern_Defense, Modern_Defense_Other_variations
Moves: 1. e4 g6 2. d4 d5 3. exd5 Qxd5 4. Nc3 Qd8 5. Nf3 Bg7 6. Bc4 Nf6 7. Bg5 c6 8.
Qd2 b5 9. Bb3 a5 10. Ne5 e6 11. a3 Nbd7 12. Nxc6 Qc7 13. Ne5 Nxe5 14. dxe5
Qxe5+ 15. Be3 Ng4 16. O-O-O Nxe3 *
Position (FEN): r1b1k2r/5pbp/4p1p1/pp2q3/8/PBN1n3/1PPQ1PPP/2KR3R w kq - 0 17
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 654
Best move: Qd8#