Chess puzzle (Checkmate)
Opening: Old_Indian_Defense, Old_Indian_Defense_Czech_Variation
Moves: 1. d4 d6 2. c4 Nf6 3. Nc3 c6 4. e4 Qc7 5. h3 h5 6. Nf3 e5 7. c5 exd4 8. cxd6
Bxd6 9. Nxd4 Bb4 10. Bd3 Qa5 11. Bd2 Qe5 12. Nf3 Qd6 13. Qe2 Qe7 14. O-O O-O
15. e5 Nd5 16. Qe4 Bxc3 *
Position (FEN): rnb2rk1/pp2qpp1/2p5/3nP2p/4Q3/2bB1N1P/PP1B1PP1/R4RK1 w - - 0 17
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1364
Best move: Qh7#