Chess puzzle (Checkmate)
Opening: Russian_Game, Russian_Game_Three_Knights_Game
Moves: 1. e4 e5 2. Nf3 Nf6 3. Nc3 Bc5 4. Nxe5 Nc6 5. Nxc6 dxc6 6. f3 Qd4 7. Qe2 O-O 8.
d3 Re8 9. Bd2 Ng4 10. fxg4 Bxg4 11. Qf2 *
Position (FEN): r3r1k1/ppp2ppp/2p5/2b5/3qP1b1/2NP4/PPPB1QPP/R3KB1R b KQ - 1 11
Black to move.
Themes: Attacking f2 or f7 Middlegame Mate in 1 
Puzzle rating: 793
Best move: Qxf2#