Chess puzzle (Advantage)
Moves: 1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e5 7. Nb3 Be7 8. Qd2
Be6 9. O-O-O Nbd7 10. f3 b5 11. h4 h5 12. Kb1 Rc8 13. Nd5 Nxd5 14. exd5 Bf5 15.
Bxe7 Qxe7 16. Bd3 Bxd3 17. Qxd3 Qd8 18. g4 Rc4 19. Qf5 Rf4 20. Qg5 Qxg5 21.
hxg5 Rxf3 22. gxh5 Rg3 23. Nd2 Nc5 24. b4 Na4 25. Ne4 Nc3+ 26. Nxc3 Rxc3 27. h6
gxh6 28. gxh6 Rg3 29. Rdf1 Rg4 30. a3 Rg6 31. h7 Rg7 32. Rf6 Ke7 33. Rfh6 f5
34. Re6+ Kd7 35. Rhh6 Rf7 36. Rxd6+ Ke7 37. Rde6+ Kf8 38. Rxe5 f4 39. Rhh5
Rhxh7 40. Rxh7 Rxh7 41. Rf5+ *
Position (FEN): 5k2/7r/p7/1p1P1R2/1P3p2/P7/2P5/1K6 b - - 1 41
Black to move.
Themes: Defensive Move Endgame, Rook Endgame  
Puzzle rating: 972
Best move: Rf7