Chess puzzle (Checkmate)
Opening: Queens_Gambit_Accepted, Queens_Gambit_Accepted_Old_Variation
Moves: 1. d4 d5 2. c4 dxc4 3. e3 e6 4. Bxc4 Nf6 5. Nf3 c6 6. O-O Nbd7 7. Nc3 Bd6 8.
Bd3 Qc7 9. Re1 Ng4 10. h3 Bh2+ 11. Kh1 *
Position (FEN): r1b1k2r/ppqn1ppp/2p1p3/8/3P2n1/2NBPN1P/PP3PPb/R1BQR2K b kq - 2 11
Black to move.
Themes: Kingside Attack Opening Mate in 1 
Puzzle rating: 663
Best move: Nxf2#