Chess puzzle (Advantage)
Opening: French_Defense, French_Defense_Normal_Variation
Moves: 1. e4 e6 2. d4 c6 3. Be3 d5 4. Nd2 Be7 5. Ngf3 a6 6. Bd3 Nd7 7. c3 c5 8. Qe2 c4
9. Bc2 b5 10. exd5 exd5 11. Ne5 Ngf6 12. Nc6 Qc7 *
Position (FEN): r1b1k2r/2qnbppp/p1N2n2/1p1p4/2pP4/2P1B3/PPBNQPPP/R3K2R w KQkq - 4 13
White to move.
Themes:  Middlegame  
Puzzle rating: 1112
Best move: Nxe7