Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Knight_Variation
Moves: 1. e4 e6 2. Nf3 b6 3. a3 Bb7 4. Nc3 Nf6 5. Bd3 d5 6. e5 Ne4 7. Nxe4 *
Position (FEN): rn1qkb1r/pbp2ppp/1p2p3/3pP3/4N3/P2B1N2/1PPP1PPP/R1BQK2R b KQkq - 0 7
Black to move.
Themes:  Opening  
Puzzle rating: 869
Best move: dxe4