Anand fell to pieces, with blunder after blunder, once he'd blundered a critical pawn. However, Carlsen played a magical rook ending to take it.
Well worth watching!
1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Bc5 5. c3 O-O 6. O-O Re8 7. Re1 a6 8. Ba4 b5 9. Bb3 d6 10. Bg5 Be6 11. Nbd2 h6 12. Bh4 Bxb3 13. axb3 Nb8 14. h3 Nbd7 15. Nh2 Qe7 16. Ndf1 Bb6 17. Ne3 Qe6 18. b4 a5 19. bxa5 Bxa5 20. Nhg4 Bb6 21. Bxf6 Nxf6 22. Nxf6 Qxf6 23. Qg4 Bxe3 24. fxe3 Qe7 25. Rf1 c5 26. Kh2 c4 27. d4 Rxa1 28. Rxa1 Qb7 29. Rd1 Qc6 30. Qf5 exd4 31. Rxd4 Re5 32. Qf3 Qc7 33. Kh1 Qe7 34. Qg4 Kh7 35. Qf4 g6 36. Kh2 Kg7 37. Qf3 Re6 38. Qg3 Rxe4 39. Qxd6 Rxe3 40. Qxe7 Rxe7 41. Rd5 Rb7 42. Rd6 f6 43. h4 Kf7 44. h5 gxh5 45. Rd5 Kg6 46. Kg3 Rb6 47. Rc5 f5 48. Kh4 Re6 49. Rxb5 Re4 50. Kh3 Kg5 51. Rb8 h4 52. Rg8 Kh5 53. Rf8 Rf4 54. Rc8 Rg4 55. Rf8 Rg3 56. Kh2 Kg5 57. Rg8 Kf4 58. Rc8 Ke3 59. Rxc4 f4 60. Ra4 h3 61. gxh3 Rg6 62. c4 f3 63. Ra3 Ke2 64. b4 f2 65. Ra2 Kf3 66. Ra3 Kf4 67. Ra8 Rg1
http://chennai2013.fide.com/anand-carlsen-video-with-commentary/