Chess puzzle (Checkmate)
Opening: Kings_Indian_Defense, Kings_Indian_Defense_Smyslov_Variation
Moves: 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. Bg5 O-O 6. e3 h6 7. Bh4 c6 8. Be2
Nbd7 9. O-O g5 10. Bg3 Qa5 11. Qc2 Nh5 12. Nxg5 Nxg3 *
Position (FEN): r1b2rk1/pp1nppb1/2pp3p/q5N1/2PP4/2N1P1n1/PPQ1BPPP/R4RK1 w - - 0 13
White to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1215
Best move: Qh7#