Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Exchange_Variation
Moves: 1. d4 e6 2. c4 Nf6 3. Nc3 d5 4. Bg5 c6 5. cxd5 exd5 6. Nf3 Bf5 7. e3 Nbd7 8.
Bd3 Bxd3 9. Qxd3 Bd6 10. O-O O-O 11. e4 dxe4 12. Nxe4 Bc7 13. Ne5 *
Position (FEN): r2q1rk1/ppbn1ppp/2p2n2/4N1B1/3PN3/3Q4/PP3PPP/R4RK1 b - - 2 13
Black to move.
Themes:  Middlegame  
Puzzle rating: 1117
Best move: Nxe5