Chess puzzle (Advantage)
Opening: Queens_Gambit_Accepted, Queens_Gambit_Accepted_Saduleto_Variation
Moves: 1. d4 d5 2. c4 dxc4 3. e4 e6 4. Nc3 Bd7 5. Bxc4 Nf6 6. Bg5 Be7 7. Qb3 b6 8. Nf3
a6 9. O-O b5 10. Be2 Nc6 11. d5 Na5 12. Qc2 Nxd5 13. Bxe7 Qxe7 *
Position (FEN): r3k2r/2pbqppp/p3p3/np1n4/4P3/2N2N2/PPQ1BPPP/R4RK1 w kq - 0 14
White to move.
Themes:  Middlegame  
Puzzle rating: 1627
Best move: exd5