Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Three_Knights_Variation
Moves: 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. a3 O-O 6. Bf4 c5 7. cxd5 Nxd5 8. e4
*
Position (FEN): rnbq1rk1/pp2bppp/4p3/2pn4/3PPB2/P1N2N2/1P3PPP/R2QKB1R b KQ - 0 8
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1246
Best move: Nxf4