Chess puzzle (Checkmate)
Opening: Russian_Game, Russian_Game_Three_Knights_Game
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nc3 Bb4 4. d3 d6 5. a3 Ba5 6. b4 Bb6 7. Nd5 c5 8. Nxb6
Qxb6 9. bxc5 Qxc5 10. Be3 Qc3+ 11. Bd2 Qc5 12. c4 Ng4 13. Bb4 *
Position (FEN): rnb1k2r/pp3ppp/3p4/2q1p3/1BP1P1n1/P2P1N2/5PPP/R2QKB1R b KQkq - 2 13
Black to move.
Themes: Attacking f2 or f7 Middlegame Mate in 1 
Puzzle rating: 1141
Best move: Qxf2#