Chess puzzle (Advantage)
Moves: 1. d4 Nf6 2. g3 g6 3. Bg2 Bg7 4. e4 O-O 5. e5 Ne8 6. f4 c6 7. Nf3 d6 8. O-O Nd7
9. c4 Nc7 10. Nc3 a6 11. a4 f6 12. exd6 exd6 13. d5 c5 14. Ne4 Nb6 15. Qb3 Ne8
16. a5 Nd7 17. Bd2 b6 18. Bc3 Rb8 19. Qc2 b5 20. cxb5 Rxb5 21. Rfe1 Bb7 22.
Rad1 Qa8 23. Bf1 Bxd5 24. Bxb5 axb5 25. Ra1 b4 26. Bd2 f5 27. Nxc5 Nxc5 28. Ng5
Bd4+ 29. Be3 Bg7 30. Bxc5 dxc5 31. Qxc5 h6 32. Ne6 Bxe6 33. Rxe6 Qd8 34. Qc4
Kh7 35. Rae1 Nf6 36. Qxb4 Ne4 37. Re7 Qd3 38. Qb7 Rg8 39. b4 *
Position (FEN): 6r1/1Q2R1bk/6pp/P4p2/1P2nP2/3q2P1/7P/4R1K1 b - - 0 39
Black to move.
Themes:  Middlegame  
Puzzle rating: 1325
Best move: Qd4+