Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Zukertort_Variation
Moves: 1. d4 d5 2. Nf3 Bf5 3. Bf4 Nd7 4. Nc3 Ngf6 5. Nb5 Rc8 6. Nxa7 Ra8 7. Nb5 Rc8 8.
Qd2 e6 9. Nh4 *
Position (FEN): 2rqkb1r/1ppn1ppp/4pn2/1N1p1b2/3P1B1N/8/PPPQPPPP/R3KB1R b KQk - 1 9
Black to move.
Themes:  Opening  
Puzzle rating: 1335
Best move: Ne4