Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Old_Sicilian
Moves: 1. e4 c5 2. Nf3 Nc6 3. c3 Nf6 4. e5 Ng4 5. d4 cxd4 6. cxd4 Qb6 7. d5 *
Position (FEN): r1b1kb1r/pp1ppppp/1qn5/3PP3/6n1/5N2/PP3PPP/RNBQKB1R b KQkq - 0 7
Black to move.
Themes: Attacking f2 or f7 Opening Mate in 1 
Puzzle rating: 1433
Best move: Qxf2#