Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Najdorf_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 Ng4 7. Bg5 Qa5 8. f4
e5 9. Nb3 Qb6 10. Nd5 *
Position (FEN): rnb1kb1r/1p3ppp/pq1p4/3Np1B1/4PPn1/1N6/PPP3PP/R2QKB1R b KQkq - 3 10
Black to move.
Themes:  Middlegame Mate in 1 
Puzzle rating: 1096
Best move: Qf2#