Chess puzzle (Checkmate)
Opening: Scandinavian_Defense, Scandinavian_Defense_Valencian_Variation
Moves: 1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. Nf3 Bg4 5. h3 Bxf3 6. Qxf3 c6 7. Bc4 Nf6 8.
d3 e6 9. Bg5 Be7 10. O-O-O O-O 11. Ne4 Nxe4 12. Bxe7 Qxe7 13. Qxe4 b5 14. Bb3
a5 15. c3 a4 16. Bc2 Ra6 17. d4 b4 *
Position (FEN): 1n3rk1/4qppp/r1p1p3/8/pp1PQ3/2P4P/PPB2PP1/2KR3R w - - 0 18
White to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 418
Best move: Qxh7#