Chess puzzle (Checkmate)
Opening: Horwitz_Defense, Horwitz_Defense_Other_variations
Moves: 1. d4 e6 2. Bf4 Nc6 3. c3 Nf6 4. e3 a6 5. Bd3 d5 6. Nf3 h6 7. Nbd2 Be7 8. a4
O-O 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 Na5 12. Bc2 Nc4 13. Qd3 Nxb2 *
Position (FEN): r1bq1rk1/1pp1bpp1/p3p2p/8/P2P1B2/2PQ1N2/1nB2PPP/R3K2R w KQ - 0 14
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 502
Best move: Qh7#