Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 Bf5 3. e3 e6 4. c3 Nf6 5. Nf3 Nc6 6. Bd3 Bd6 7. Bg3 Bxg3 8.
hxg3 Ne4 9. Nbd2 Qf6 10. Bc2 O-O-O 11. Nxe4 dxe4 12. Ne5 *
Position (FEN): 2kr3r/ppp2ppp/2n1pq2/4Nb2/3Pp3/2P1P1P1/PPB2PP1/R2QK2R b KQ - 1 12
Black to move.
Themes:  Middlegame  
Puzzle rating: 845
Best move: Nxe5