Chess puzzle (Checkmate)
Opening: Sicilian_Defense, Sicilian_Defense_Modern_Variations
Moves: 1. e4 c5 2. Nf3 d6 3. d4 Nf6 4. dxc5 Nxe4 5. cxd6 Qa5+ 6. Bd2 Qb6 7. Nc3 *
Position (FEN): rnb1kb1r/pp2pppp/1q1P4/8/4n3/2N2N2/PPPB1PPP/R2QKB1R b KQkq - 4 7
Black to move.
Themes: Attacking f2 or f7 Opening Mate in 1 
Puzzle rating: 709
Best move: Qxf2#