Chess puzzle (Checkmate)
Opening: Kings_Indian_Defense, Kings_Indian_Defense_Smyslov_Variation
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 d6 4. Bg5 Bg7 5. Nf3 O-O 6. e3 Nc6 7. Bd3 Bg4 8. O-O
a6 9. h3 Bxf3 10. Qxf3 Qe8 11. a3 Rd8 12. Rad1 h6 13. Bh4 g5 14. Bg3 Qd7 15. e4
g4 16. hxg4 Nxg4 17. e5 Nxd4 18. Qe4 dxe5 *
Position (FEN): 3r1rk1/1ppqppb1/p6p/4p3/2PnQ1n1/P1NB2B1/1P3PP1/3R1RK1 w - - 0 19
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 563
Best move: Qh7#