Chess puzzle (Advantage)
Opening: Queens_Gambit_Accepted, Queens_Gambit_Accepted_Gunsberg_Defense
Moves: 1. Nf3 d5 2. d4 c5 3. c4 dxc4 4. Qa4+ Bd7 5. Qxc4 cxd4 6. Nxd4 a6 7. e4 g6 8.
Nc3 Bg7 9. Be3 Nh6 10. Bd3 Ng4 11. O-O Nxe3 12. fxe3 O-O 13. Rf2 e5 14. Raf1 *
Position (FEN): rn1q1rk1/1p1b1pbp/p5p1/4p3/2QNP3/2NBP3/PP3RPP/5RK1 b - - 1 14
Black to move.
Themes:  Middlegame  
Puzzle rating: 1613
Best move: exd4