Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 Nf6 3. h3 e6 4. c3 b6 5. e3 Bb7 6. Nf3 Be7 7. Ne5 Nbd7 8. Nxd7
Qxd7 9. Be2 Ne4 10. Nd2 O-O 11. Bf3 c5 12. dxc5 Bxc5 *
Position (FEN): r4rk1/pb1q1ppp/1p2p3/2bp4/4nB2/2P1PB1P/PP1N1PP1/R2QK2R w KQ - 0 13
White to move.
Themes:  Middlegame  
Puzzle rating: 1208
Best move: Nxe4