Chess puzzle (Checkmate)
Opening: Russian_Game, Russian_Game_Stafford_Gambit
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 4. Nxc6 dxc6 5. Nc3 Bc5 6. d3 Qd4 7. Be3 Qb4 8.
Bxc5 Qxc5 9. g3 Ng4 10. Bg2 *
Position (FEN): r1b1k2r/ppp2ppp/2p5/2q5/4P1n1/2NP2P1/PPP2PBP/R2QK2R b KQkq - 2 10
Black to move.
Themes: Attacking f2 or f7 Middlegame Mate in 1 
Puzzle rating: 883
Best move: Qxf2#