Chess puzzle (Checkmate)
Opening: Trompowsky_Attack, Trompowsky_Attack_Other_variations
Moves: 1. d4 Nf6 2. Bg5 h6 3. Bh4 g5 4. Bg3 d5 5. Nf3 Bg4 6. e3 e6 7. c3 Nc6 8. Nbd2
Bd6 9. h3 Bxg3 10. fxg3 Bh5 11. Bd3 O-O 12. O-O Qd6 13. g4 Bxg4 14. hxg4 Nxg4
15. Nxg5 *
Position (FEN): r4rk1/ppp2p2/2nqp2p/3p2N1/3P2n1/2PBP3/PP1N2P1/R2Q1RK1 b - - 0 15
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 520
Best move: Qh2#