Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Taimanov_Variation
Moves: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nf3 Nf6 6. e5 Qa5+ 7. Bd2 Qb6 8.
Bc3 Ne4 9. Bd3 *
Position (FEN): r1b1kb1r/pp1p1ppp/1qn1p3/4P3/4n3/2BB1N2/PPP2PPP/RN1QK2R b KQkq - 6 9
Black to move.
Themes: Attacking f2 or f7 Opening Mate in 1 
Puzzle rating: 999
Best move: Qxf2#