Carlsen Plays a Little Used Variation of the Caro-Kahn

In this variation, Carlsen plays 5....exf6 instead of the more usual 5....gxf6.  With this draw Carlsen maintains his world number one ranking.
[Event "34th European Club Cup 2018"]
[Site "Halkidiki"]
[Date "2018.10.18"]
[Round "7"]
[White "Svidler, Peter"]
[Black "Carlsen, Magnus"]
[Result "1/2-1/2"]
[WhiteElo "2756"]
[BlackElo "2839"]
[PlyCount "115"]
[EventDate "2018.??.??"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 O-O 8.
Qc2 Re8+ 9. Be3 h6 10. Ne2 Na6 11. O-O Nc7 12. c4 Bg4 13. h3 Bxe2 14. Bxe2 Ne6
15. Rad1 Qc7 16. Bg4 Rad8 17. Rfe1 Bf4 18. Bxf4 Nxf4 19. Rxe8+ Rxe8 20. h4 Qa5
21. g3 f5 22. Bf3 Re1+ 23. Kh2 Rxd1 24. Qxd1 Ng6 25. a3 f4 26. Be4 fxg3+ 27.
fxg3 Nf8 28. d5 cxd5 29. Qxd5 Qxd5 30. Bxd5 b6 31. b4 Nd7 32. Kg2 Kf8 33. Kf2
Nf6 34. Bf3 Ke7 35. Ke3 Kd6 36. Kd4 Ng8 37. c5+ bxc5+ 38. bxc5+ Kc7 39. Bd5 Ne7
40. Ke5 Nxd5 41. Kxd5 h5 42. c6 a6 43. a4 a5 44. Kc5 f6 45. Kd5 g5 46. Ke6 Kxc6
47. Kxf6 gxh4 48. gxh4 Kd6 49. Kg5 Ke5 50. Kxh5 Kf5 51. Kh6 Kf6 52. h5 Kf7 53.
Kg5 Kg7 54. h6+ Kh7 55. Kh5 Kh8 56. Kg6 Kg8 57. h7+ Kh8 58. Kh6 1/2-1/2

(Photo chessbase.com)