Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Classical_Variation
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be3 Ng4 7. Nxc6 bxc6 8.
Bf4 Qb6 9. Na4 *
Position (FEN): r1b1kb1r/p3pppp/1qpp4/8/N3PBn1/8/PPP2PPP/R2QKB1R b KQkq - 3 9
Black to move.
Themes: Attacking f2 or f7 Opening Mate in 1 
Puzzle rating: 1484
Best move: Qxf2#