[Event "Chigorin Memorial Open"]
[Site "St Petersburg RUS"]
[Date "2011.10.21"]
[Round "8.50"]
[White "Tunik, G."]
[Black "Duzhakov, I."]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "2412"]
[BlackElo "2325"]
[Annotator "Müller,Karsten"]
[PlyCount "117"]
[EventDate "2011.10.14"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "RUS"]
[Source "Mark Crowther"]
[SourceDate "2011.10.24"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. Be3 exd4 8. Nxd4
Re8 9. f3 c6 10. Bf2 d5 11. exd5 cxd5 12. O-O Nc6 13. c5 Nh5 14. Qd2 Be5 15. g3
Ng7 16. Rfe1 Be6 17. Nxe6 Nxe6 18. Qxd5 Qxd5 19. Nxd5 Rad8 20. Nc3 Rd2 21. Rab1
Ng5 22. Kf1 Bd4 23. Bxd4 Nxd4 24. f4 Ngf3 25. Bxf3 Rxe1+ 26. Rxe1 Nxf3 27. Re2
Nxh2+ 28. Kg2 Rxe2+ 29. Nxe2 Ng4 30. Nc3 Ne3+ 31. Kf3 Nf5 32. g4 Nd4+ 33. Ke4
Ne6 34. b4 h5 35. gxh5 gxh5 36. f5 Nc7 37. Nd5 $3 Nxd5 {Staying in the knight
ending with} (37... Ne8 {does not help as White's central froces are
dominating, e.g.} 38. b5 f6 39. Kf4 Kf7 40. a4 Kg7 41. a5 Kf7 42. c6 bxc6 43.
bxc6 Nd6 44. c7 Nc8 45. Kg3 Nd6 46. Kh3 Nc8 47. Kh4 Nd6 48. Kxh5 $18) 38. Kxd5
h4 39. Ke4 {[%cal Gh4e4,Ge4e1,Gh4e1,Gh4h1,Gh1e1] White is inside the square of
the rook's pawn. But Black in the end not as Tunik will show.} h3 40. Kf3 Kg7 (
40... a6 41. Kg3 Kg7 42. Kxh3 Kf6 43. Kg4 $18) 41. b5 Kf6 42. a4 $1 Kxf5 (42...
Ke5 43. a5 Kd5 44. c6 bxc6 45. b6 Kd6 46. bxa7 $18) 43. a5 $1 {[%cal Ga5a8,
Ga5d8,Ga5d5,Gd5d8,Ga8d8]} Ke6 (43... a6 44. c6 bxc6 45. bxa6 $18) 44. c6 b6 ({
After} 44... bxc6 {follows the typical breakthrough:} 45. b6 axb6 46. a6 $18 {
[%cal Ga6a8,Ga6c6,Gc6c8,Ga6c8,Ga8c8] which was planned by Tunik when he
decided to exchange the knights.}) 45. axb6 (45. a6 $2 {spoils it, e.g.} h2 46.
Kg2 Kd6 47. Kxh2 Kc7 48. Kg3 Kd6 49. Kf4 Ke6 50. Kg5 Ke7 51. Kf5 Kd8 52. Kf6
Ke8 $11 {as now} 53. c7 Kd7 54. Kxf7 Kxc7 55. Ke7 Kb8 56. Kd7 Ka8 57. Kc7 {
leads to stalemate}) 45... axb6 46. Kg3 Kd6 47. Kxh3 Kc7 48. Kg4 Kc8 49. Kf5
Kc7 (49... Kd8 50. Kf6 Ke8 51. c7 Kd7 52. Kxf7 Kxc7 53. Ke7 $18 {transposes.})
50. Kf6 Kc8 51. Kxf7 Kd8 52. Ke6 Kc8 53. c7 $1 {The pride of White's position
is simply sacrificed to get at the pawn b6.} Kxc7 54. Ke7 {[%csl Gc6,Gd6,Ge6,
Ge7] White has reached a key square.} Kc8 55. Kd6 Kb7 56. Kd7 Ka7 57. Kc7 Ka8
58. Kxb6 Kb8 59. Ka6 ({After} 59. Kc6 $6 Ka7 {White must retreat:} 60. Kc7 $1
Ka8 61. Kb6 Kb8 62. Ka6 $1 $18) (59. Ka6 Ka8 60. b6 Kb8 61. b7 Kc7 62. Ka7 $18)
1-0

