Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Marshall_Defense
Moves: 1. d4 d5 2. c4 Nf6 3. Nf3 Bg4 4. Nc3 c5 5. dxc5 Bxf3 6. exf3 d4 7. Ne4 e5 8.
Bg5 Be7 9. f4 *
Position (FEN): rn1qk2r/pp2bppp/5n2/2P1p1B1/2PpNP2/8/PP3PPP/R2QKB1R b KQkq - 0 9
Black to move.
Themes: Hanging Piece Opening  
Puzzle rating: 1222
Best move: Nxe4