Chess puzzle (Advantage)
Moves: 1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Nxd4 6. Bxd4 Bxd4 7. Qxd4 Qf6
8. e5 Qb6 9. Qxb6 axb6 10. Bc4 Ra5 11. f4 Ne7 12. O-O Rc5 13. Bd3 O-O 14. Nc3
Nd5 15. Nxd5 Rxd5 16. Rad1 Ra5 17. a3 g6 18. Rfe1 Re8 19. Kf2 d5 20. exd6 Rxe1
21. Rxe1 Be6 22. dxc7 Rc5 23. Re5 Rxc7 24. c3 Rd7 25. Ke3 Bd5 26. Be4 Bc6 27.
Bxc6 bxc6 28. Re4 f5 29. Re6 Rc7 30. Kd4 Kf7 31. Ke5 b5 32. Rd6 Re7+ 33. Kd4
Re4+ 34. Kc5 Rxf4 35. Kxc6 Rf2 36. Kxb5 Rxb2+ 37. Kc4 Rxg2 38. a4 f4 39. Kd3 g5
40. a5 f3 41. a6 Ra2 42. Rd5 h6 43. Rf5+ Kg6 44. Rxf3 Rxa6 45. c4 g4 46. Rf2 h5
47. Ke4 Kg5 48. c5 Ra1 49. Rc2 h4 *
Position (FEN): 8/8/8/2P3k1/4K1pp/8/2R4P/r7 w - - 0 50
White to move.
Themes:  Endgame, Rook Endgame  
Puzzle rating: 864
Best move: c6