1/2 ValiantAngel vs Eshin 1/2

in a game where many errors became the white always was gained or better but it could not take advantage becouse one big mistake of white lose a bishop help black can do draw in the ending.

[Event "The 34th FTL Tournament"]
[Site "FICS"]
[Date "2007.??.??"]
[Round "2"]
[White "Valiantangel"]
[Black "Eshin"]
[Result "1/2-1/2"]
[ECO "D53"]
[WhiteElo "1882"]
[BlackElo "1833"]
[Annotator ",reunidos"]
[PlyCount "120"]
[EventDate "2007.??.??"]
[TimeControl "2700+45"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 Be7 6. e3 b5 ? {
is one mistake to present one pawn ?} 7. cxd5 {maybe cxb5 is better} exd5 8.
Bd3 Bg4 9. O-O h6 10. Bh4 Nbd7 11. Rc1 Qa5 12. a3 Rb8 13. e4 g5 ? {
very danger move black is in problems his position is weak} 14. Bg3 Rc8 15. Re1
O-O 16. exd5 Nxd5 ? {mistake lose one piece} 17. Nxd5 cxd5 18. Rxe7 Bxf3 19.
gxf3 Nb6 20. Rxc8 Nxc8 21. Re5 b4 22. Qd2 f6 23. Re6 Qa4 24. Bc2 Qd7 25. Bf5
Ne7 26. Qd3 bxa3 27. bxa3 Rf7 28. Re5 ? {that is not good white have continue
with Bh3 , now white have one rook dont can move} Nxf5 29. Rxf5 Kg7 30. h4 Re7
31. hxg5 hxg5 32. f4 Re4 $1 33. f3 Qxf5 34. fxe4 dxe4 35. Qe3 g4 36. Qc3 Qd5
37. Bf2 Qb5 38. Kg2 Kg6 39. Qc8 Qe2 40. Qe6 ? {
this mistake give draw oponnent with perpetual or of white king not have defend
} Qf3+ 41. Kg1 Qd1+ 42. Kh2 Qf3 43. Qg8+ Kf5 44. Qh7+ Ke6 ? {Kxf4 ! can draw}
45. f5+ Qxf5 46. Qxf5+ Kxf5 47. Kg3 e3 $2 48. Bxe3 Ke4 49. Kxg4 ? {
oops white forget of bishop or he didnt calculate fine how he can win..} f5+
50. Kg5 Kxe3 51. d5 f4 52. d6 f3 53. d7 f2 54. d8=Q f1=Q 55. Qe7+ Kd3 56. Qd7+
Kc3 57. Qxa7 Qb5+ 58. Kf6 Kb3 59. a4 Qxa4 60. Qxa4+ Kxa4 {Drawn} 1/2-1/2