Chess puzzle (Advantage)
Moves: 1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nd2 Bd6 5. Bg3 Bd7 6. Ngf3 Nc6 7. Ne5 Qe7 8. c3
O-O-O 9. b4 Kb8 10. Nxd7+ Nxd7 11. b5 Na5 12. Qa4 b6 13. Nb3 Nb7 14. c4 dxc4
15. Bxc4 Bxg3 16. hxg3 Nd6 17. Qb4 Nf5 18. Qc3 Nf6 19. a4 Ne4 20. Qc2 Ned6 21.
a5 Nxc4 22. Qxc4 Nd6 23. Qc6 Qd7 24. Qf3 Nxb5 25. axb6 cxb6 26. O-O Qd5 27.
Qxf7 Qxb3 28. Rfb1 Rhf8 29. Rxb3 Rxf7 30. Rxb5 Rc8 31. f4 Rfc7 32. Re5 Rc6 33.
Rh5 h6 34. g4 Rc1+ 35. Rxc1 Rxc1+ 36. Kf2 a5 37. Re5 a4 38. Rxe6 Kb7 39. Re7+
Ka6 40. Rxg7 a3 41. f5 a2 42. Rg8 a1=Q 43. Ra8+ Kb5 44. Rxa1 Rxa1 45. Kf3 Ra8
46. e4 Kc4 47. d5 Kd4 48. Kf4 Re8 49. f6 Rxe4+ 50. Kf5 Re1 51. d6 Kc5 *
Position (FEN): 8/8/1p1P1P1p/2k2K2/6P1/8/6P1/4r3 w - - 1 52
White to move.
Themes: Advanced Pawn Endgame, Rook Endgame  
Puzzle rating: 1485
Best move: d7