Chess puzzle (Checkmate)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Zukertort_Variation
Moves: 1. d4 d5 2. Nf3 f5 3. Bg5 c6 4. Nbd2 h6 5. Bf4 e6 6. c3 Nf6 7. Ne5 Bd6 8. h3
O-O 9. e3 Bxe5 10. Bxe5 Nbd7 11. Bg3 Ne4 12. Bh2 Qh4 13. Nf3 *
Position (FEN): r1b2rk1/pp1n2p1/2p1p2p/3p1p2/3Pn2q/2P1PN1P/PP3PPB/R2QKB1R b KQ - 6 13
Black to move.
Themes: Attacking f2 or f7 Middlegame Mate in 1 
Puzzle rating: 893
Best move: Qxf2#