Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Tarrasch_Variation
Moves: 1. e4 e6 2. d4 d5 3. Nd2 c5 4. c3 Nc6 5. e5 cxd4 6. cxd4 Nxd4 7. Ngf3 Bc5 *
Position (FEN): r1bqk1nr/pp3ppp/4p3/2bpP3/3n4/5N2/PP1N1PPP/R1BQKB1R w KQkq - 2 8
White to move.
Themes:  Opening  
Puzzle rating: 1389
Best move: Nxd4