Chess puzzle (Checkmate)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Other_variations
Moves: 1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. cxd5 exd5 5. Nc3 c5 6. Bg5 Be7 7. dxc5 Be6 8.
e4 Nxe4 9. Bxe7 Qxe7 10. Nxd5 Qxc5 11. Rc1 *
Position (FEN): rn2k2r/pp3ppp/4b3/2qN4/4n3/5N2/PP3PPP/2RQKB1R b Kkq - 1 11
Black to move.
Themes: Attacking f2 or f7 Opening Mate in 1 
Puzzle rating: 1460
Best move: Qxf2#