Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Bc4 Nf6 3. d3 Bb4+ 4. Bd2 Bxd2+ 5. Nxd2 d5 6. exd5 Nxd5 7. Qf3 Be6
8. Nh3 O-O 9. Ne4 h6 10. O-O-O c6 11. Qg3 b5 12. Bb3 a5 13. a3 a4 14. Bxd5 Bxd5
15. Qxe5 Nd7 16. Qg3 c5 17. Nf4 Be6 18. Nh5 g6 19. f4 Kh7 20. f5 Bxf5 21. Nf4
b4 22. h4 b3 23. h5 Rg8 24. hxg6+ fxg6 25. Qh2 h5 26. Nxh5 Nf8 27. Nhf6+ Kg7
28. Nxg8 Kxg8 29. Qh8+ Kf7 30. Rdf1 Ke8 31. Nf6+ Kf7 32. g4 Be6 33. Nd7+ Ke7
34. Nxf8 Kd6 35. Nxg6 Qg5+ 36. Nf4 Rxh8 37. Rxh8 Qxg4 38. Rd8+ Ke7 39. Nxe6
Kxe6 40. Re1+ Kf7 41. Rd5 *
Position (FEN): 8/5k2/8/2pR4/p5q1/Pp1P4/1PP5/2K1R3 b - - 3 41
Black to move.
Themes:  Endgame, Queen and Rook Endgame  
Puzzle rating: 933
Best move: Qf4+