An interesting Caro Kann Line

I contacted Chess.com administration on how to post PGN's better. This is a test. Here is the CK line I tried to post the other day with minor notes by me.

[Event "Live Chess"]
[Site "Chess.com"]
[Date "2013.12.27"]
[White "sairamcp"]
[Black "Drawyah"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "1927"]
[BlackElo "2043"]
1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 h6 5. Nf3 Bf5 6. Ng3 Bh7 7. a4 e6 8. a5
Nf6 9. Bd3 Bxd3 10. Qxd3 Bb4+ {Certainly playable, but 10..Be7 or 10..Bd6
keeps tension, and leaves White with possibly a weaker bishop.} 11. Bd2 Bxd2+ 12. Qxd2 Nbd7 13. O-O O-O 14. Rfe1 c5 15. a6 bxa6 16. Rxa6 cxd4 17. Qxd4 Qc8 18. Rd6 Qxc2 19. Rxd7 Nxd7 20. Qxd7 Qxb2 21. Ne5 Rad8 ({I played the game move thinking I could play 22..Qxe5 with a back rank mate, but at the last second I noticed White had Nf1.} 21... a5) 22. Qxa7 Qc3 23. Qe3 Qxe3 24. Rxe3 Rd1+ 25. Nf1 Ra8 26. Rd3 Rc1 27. Nf3 Raa1 28. N3d2 Re1 29. g3 Rad1 30. Re3 {White nicely saves the piece. I think I played the rook against two knights well.} Rxe3 31. fxe3 g5 32. Kf2 Kg7 33. Ke2 Ra1 34. g4 f5 35. h3 Kf6 36. Ng3 Rg1 37. Kf2 Ra1 38. Nf3 Ra2+ 39. Ne2 e5 40. gxf5 Kxf5 41. Ne1 h5 42. Kf3 g4+ 43. hxg4+ hxg4+ 44. Kf2 g3+ 45. Kf1 Kg4 46. Nd3 e4 47. Ne5+ Kh3 48. Nf4+ Kh2 49. Ng4+ Kh1 50. Ne2 g2+ 51. Ke1 Rxe2+ 52. Kxe2 g1=Q 53. Nf2+ Kg2 54. Nxe4 Qf1+ 0-1