Chess puzzle (Advantage)
Opening: Queens_Gambit_Declined, Queens_Gambit_Declined_Other_variations
Moves: 1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Bf4 Nf6 5. Nc3 Bb4 6. Qb3 Nc6 7. Nf3 Rb8 8.
a3 Bd6 9. Bxd6 Qxd6 10. Nb5 Qd8 11. e3 a6 12. Nc3 O-O 13. Be2 Bf5 14. O-O Ne4
15. Nxd5 *
Position (FEN): 1r1q1rk1/1pp2ppp/p1n5/3N1b2/3Pn3/PQ2PN2/1P2BPPP/R4RK1 b - - 0 15
Black to move.
Themes:  Middlegame  
Puzzle rating: 1767
Best move: Be6