Interesting Burlington Open Game

Final round game between the 7th and 3rd placed finishers respectively in the Under 1750 section.

[Event "Burlington Open"]
[Site "Burlington, VT"]
[Date "2015.04.11"]
[Round "2"]
[White "Bielagus, Steven"]
[Black "Tsypin, Allison"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1492"]
[BlackElo "1438"]
[Annotator "Deep Fritz 14 x64 (10m)"]
[PlyCount "103"]
[EventDate "2015.04.11"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceDate "2006.03.16"]

{C50: Hungarian Defence and Giuoco Pianissimo} 1. e4 e5 2. Nf3 {White
threatens to win material: Nf3xe5} Nc6 3. Bc4 Bc5 4. O-O Nf6 {Black threatens
to win material: Nf6xe4} 5. Re1 d6 6. h3 {Controls g4} O-O 7. c3 {Secures b4}
Re8 (7... Nxe4 8. d4 (8. Rxe4 $143 d5 9. Re1 dxc4 $17) 8... exd4 9. cxd4 Nxf2
10. Kxf2 Nxd4 11. Kg3 $11 (11. Nxd4 $2 Qh4+ 12. Ke2 Bxd4 $19 (12... Qxd4 $6 13.
Qxd4 Bxd4 14. Kf1 $11))) 8. d3 h6 {Consolidates g5} 9. Be3 (9. b4 Bb6 $11) 9...
Bb6 10. b4 Be6 11. Nbd2 Qd7 12. Bxe6 Qxe6 13. Nf1 Ne7 14. Ng3 Qd7 15. Qd2 c6 (
15... Bxe3 16. Qxe3 a5 17. Nh4 $11) 16. Nh4 (16. Bxh6 Qe6 17. Qg5 g6 $16) 16...
d5 $2 (16... Bxe3 $142 {is a viable option} 17. Qxe3 Ng6 $11) 17. Bxh6 $1 $16 {
taking the lead} gxh6 $2 (17... gxh6 18. Qxh6 {Combination}) (17... -- $140 18.
Bxg7 {Threat} Kxg7 19. Ngf5+ Qxf5 (19... Nxf5 20. Qg5+ {Deflection}) (19... Kf8
20. Qh6+ {Mate attack}) (19... Kg8 20. Qg5+ {Double attack}) (19... Kh7 20.
Qh6+ {Mate attack}) (19... Kh8 20. Qh6+ {Mate attack}) 20. Nxf5+ {Combination})
18. Qxh6 $18 Ng4 $2 (18... Nxe4 19. dxe4 Qe6 20. Qg5+ Kh8 21. Nhf5 $18) 19.
Qg5+ (19. hxg4 $142 {secures the point} Qe6 20. Qg5+ Kf8 21. Nh5 $18) 19... Ng6
20. hxg4 Bd8 21. Qf5 Qxf5 22. Nhxf5 ({Not} 22. Ngxf5 Bxh4 23. c4 dxc4 24. dxc4
Be7 $17) 22... Bg5 23. Rad1 a5 24. Re2 (24. b5 $5 Red8 $18) 24... Nf4 25. Rb2
a4 $2 (25... axb4 $5 26. Rxb4 b5 $16) 26. Nh5 (26. Nd6 Re7 $18) 26... Red8 (
26... dxe4 27. dxe4 Red8 28. Rdb1 $18) 27. g3 (27. Nxf4 Bxf4 28. exd5 cxd5 $18)
27... Ng6 $2 (27... Nxh5 $142 28. gxh5 dxe4 $16) 28. Re2 $18 Rac8 29. Rf1 (29.
d4 {and White can already relax} dxe4 30. Rxe4 exd4 31. Rexd4 Rxd4 32. Rxd4 Rd8
$18) 29... dxe4 30. dxe4 (30. d4 exd4 31. Rxe4 Kf8 $18) 30... Bd2 (30... Rd3
$142 $18) 31. f4 $4 {forfeits the advantage} (31. Nf6+ $142 {seems even better}
Kf8 32. c4 $18) 31... exf4 32. gxf4 Bxc3 33. e5 Bxb4 34. Nh6+ Kh7 $2 (34... Kf8
35. e6 Nh8 36. f5 $16) 35. g5 $4 {there were better ways to keep up the
pressure} (35. Nxf7 $5 {might be the shorter path} Rd4 $18) 35... Rc7 (35...
Nh8 36. Kg2 Kg6 37. Rh1 $18) 36. Nf6+ (36. f5 Nf8 37. Nxf7 Rxf7 38. g6+ Kh6 39.
gxf7 Kxh5 40. Rh2+ Kg5 41. Rg2+ Kh5 $18) 36... Kg7 $16 37. Rh2 (37. f5 Nf8 $16)
37... Bc5+ (37... Kf8 38. Nhg4 Bc3 39. Rh7 $16) 38. Kh1 $16 Rh8 $4 {solves
nothing} (38... Kf8 $142 $16) 39. Nf5+ $18 Kf8 40. Rxh8+ Nxh8 41. Kg2 (41. Rd1
$142 {and White takes home the point} Be7 42. Nd7+ Rxd7 43. Rxd7 $18) 41... Ng6
42. Kg3 b5 $4 {the pressure is too much, Black crumbles} (42... Ne7 43. Kg4 b5
$18) 43. Re1 (43. Rd1 $142 {makes sure everything is clear} Be7 44. Nd7+ Rxd7
45. Rxd7 $18) 43... Ne7 $2 (43... Be7 $5 $16) 44. Kg4 $18 b4 $4 {sad, but how
else could Black save the game?} (44... Nxf5 45. Kxf5 Be7 $18) 45. Rd1 Nd5 46.
Nxd5 (46. Rh1 $142 {and White wins} Nxf6+ 47. gxf6 $18 (47. exf6 $143 Ke8 48.
Ng7+ Kd7 $18)) 46... cxd5 $16 47. Rxd5 Kg8 $4 {causes further problems for
White} (47... Rc8 48. Nd6 Bxd6 49. exd6 $16) 48. Nd4 (48. Rd8+ $142 {secures
victory} Bf8 49. Nh6+ Kg7 50. f5 $18) 48... a3 (48... Bxd4 $5 {might be a
viable alternative} 49. Rxd4 Rb7 $14) 49. f5 $16 Bxd4 (49... Rc8 50. Nb3 Bf8
51. f6 $18) 50. Rxd4 Rc2 $2 (50... b3 51. axb3 a2 52. Ra4 $18) 51. Rxb4 $4 {
throwing away the advantage} (51. Rd8+ Kh7 52. g6+ fxg6 53. f6 Rg2+ 54. Kf3 $18
) 51... Rxa2 $16 52. Rb1 1/2-1/2