Chess puzzle (Checkmate)
Opening: Kings_Indian_Defense, Kings_Indian_Defense_Accelerated_Averbakh_Variation
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Bg5 O-O 6. Qd2 Re8 7. O-O-O c6 8. f4
a6 9. e5 Nfd7 10. h4 h6 11. h5 hxg5 12. hxg6 fxg6 13. f5 dxe5 14. Qxg5 e6 15.
Qxg6 Nf8 16. Qh5 exd4 17. Nf3 exf5 18. Ng5 Nbd7 *
Position (FEN): r1bqrnk1/1p1n2b1/p1p5/5pNQ/2Pp4/2N5/PP4P1/2KR1B1R w - - 2 19
White to move.
Themes:  Opening Mate in 1 
Puzzle rating: 1667
Best move: Qf7#