Chess puzzle (Advantage)
Opening: Queens_Gambit_Accepted, Queens_Gambit_Accepted_Old_Variation
Moves: 1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Nc3 g6 5. Bxc4 Bg7 6. Nf3 a6 7. O-O O-O 8. e4
b5 9. Bb3 Bb7 10. d5 Nbd7 11. Bf4 Nc5 12. Bc2 Nh5 13. Be3 Qd6 14. Bd4 Bxd4 15.
Qxd4 Nd7 16. Rac1 c5 17. dxc6 Qxc6 18. Nd5 Qd6 19. Bb3 Rac8 *
Position (FEN): 2r2rk1/1b1npp1p/p2q2p1/1p1N3n/3QP3/1B3N2/PP3PPP/2R2RK1 w - - 4 20
White to move.
Themes:  Middlegame  
Puzzle rating: 1927
Best move: e5