Chess puzzle (Advantage)
Opening: Queens_Pawn_Game, Queens_Pawn_Game_Accelerated_London_System
Moves: 1. d4 d5 2. Bf4 c6 3. e3 e6 4. Nf3 f5 5. c4 Nf6 6. Nc3 Bd6 7. Bxd6 Qxd6 8. Rc1
O-O 9. cxd5 exd5 10. Bd3 Be6 11. Qb3 Qe7 12. h3 Ne4 13. O-O Bf7 14. Bxe4 *
Position (FEN): rn3rk1/pp2qbpp/2p5/3p1p2/3PB3/1QN1PN1P/PP3PP1/2R2RK1 b - - 0 14
Black to move.
Themes:  Middlegame  
Puzzle rating: 1314
Best move: dxe4