Chess puzzle (Checkmate)
Opening: Modern_Defense, Modern_Defense_Averbakh_System
Moves: 1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 c6 5. Nf3 Bg4 6. Be2 Nd7 7. O-O Qc7 8. h3 h5
9. hxg4 hxg4 10. Nh2 O-O-O 11. Bxg4 d5 12. Bxd7+ Rxd7 13. Qg4 *
Position (FEN): 2k3nr/ppqrppb1/2p3p1/3p4/2PPP1Q1/2N5/PP3PPN/R1B2RK1 b - - 1 13
Black to move.
Themes: Kingside Attack Middlegame Mate in 1 
Puzzle rating: 997
Best move: Qxh2#