En Subotica

Amador - Thomas Ernst

Subotica Interzonal Subotica 1987

Siciliana Najdorf B97

1. e4 c5 2. Nf3 d6 3. d4 cd4 4. Nd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qb2 9. Rb1 Qa3 10. f5 Nc6 11. fe6 fe6 12. Nc6 bc6 13. Be2!?

[13. e5]

13... Be7 14. O-O O-O 15. Rb3 Qc5 16. Be3 Qe5 17. Bf4 Qc5!?

[17... Ne4]

18. Kh1 d5 19. e5 Nd7 20. Na4 Qa7 21. Qc3! Nc5 22. Nc5 Bc5

[22... Qc5 23. Qh3 White has a moderate advantage]

23. Qh3 g6 24. Rg3?

[24. Rbf3 White has a moderate advantage]

24... Qg7 25. Bd3 a5?

[25... Ra7 unclear position  26. Rg4 Raf7 27. Qg3? Qe5 Black has a moderate advantage]

26. Qg4 Bd4 27. Rgf3 Bd7 28. Qh4!

White has a moderate advantage

28... Bc5 29. Bh6 Rf3

[29... Qe5? 30. Bf8 Rf8 31. Rf8 Bf8 32. Qd8 Qd6 33. Rf8 Qf8 34. Qd7 White has a decisive advantage]

30. Bg7 Rf1 31. Bf1 Kg7 32. Bd3 Rf8 33. Qg5 Rf7 34. h4 Be7 35. Qg4 c5?

[35... Kh6 White has a moderate advantage]

36. c4! d4 37. h5 g5 38. h6! Kg8

[38... Kh6 39. Qh3 White has a decisive advantage]

39. Qe4 Bf8 40. Qa8 a4 41. Kh2

White has a decisive advantage

41... Re7 42. Kg3 Re8 43. Qa7 Re7 44. Qc5 Rf7 45. Qb6 Bh6 46. c5 Bg7 47. Qd8 Bf8 48. Be4 d3 49. Bd3 Bc6 50. Bc4 Re7 51. Qd6 Bd7 52. c6 Bc8 53. Qd8

1-0

[Event "Subotica izt"]
[Site "Subotica"]
[Date "1987.07.09"]
[Round "14"]
[White "Rodriguez, Amador"]
[Black "Ernst, Thomas"]
[Result "1-0"]
[ECO "B97"]
[WhiteElo "2495"]
[BlackElo "2465"]
[Annotator "Ernst"]
[PlyCount "105"]
[EventDate "1987.06.22"]
[EventType "tourn"]
[EventRounds "16"]
[EventCountry "YUG"]
[EventCategory "11"]
[SourceTitle "CBM 03"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Qb6 8. Qd2 Qxb2 9. Rb1 Qa3 10. f5 Nc6 11. fxe6 fxe6 12. Nxc6 bxc6 13. Be2 $5 (13. e5) 13... Be7 14. O-O O-O 15. Rb3 Qc5+ 16. Be3 Qe5 17. Bf4 Qc5+ $5 (17... Nxe4) 18. Kh1 d5 19. e5 Nd7 20. Na4 Qa7 21. Qc3 $1 Nc5 22. Nxc5 Bxc5 (22... Qxc5 23. Qh3 $16) 23. Qh3 g6 24. Rg3 $2 (24. Rbf3 $16) 24... Qg7 25. Bd3 a5 $2 (25... Ra7 $13 {} 26. Rg4 Raf7 27. Qg3 $2 Qxe5 $17) 26. Qg4 Bd4 27. Rgf3 Bd7 28. Qh4 $1 $16 Bc5 29. Bh6 Rxf3 (29... Qxe5 $2 30. Bxf8 Rxf8 31. Rxf8+ Bxf8 32. Qd8 Qd6 33. Rxf8+ Qxf8 34. Qxd7 $18) 30. Bxg7 Rxf1+ 31. Bxf1 Kxg7 32. Bd3 Rf8 33. Qg5 Rf7 34. h4 Be7 35. Qg4 c5 $2 (35... Kh6 $16) 36. c4 $1 d4 37. h5 g5 38. h6+ $1 Kg8 (38... Kxh6 39. Qh3+ $18) 39. Qe4 Bf8 40. Qa8 a4 41. Kh2 $18 Re7 42. Kg3 Re8 43. Qa7 Re7 44. Qxc5 Rf7 45. Qb6 Bxh6 46. c5 Bg7 47. Qd8+ Bf8 48. Be4 d3 49. Bxd3 Bc6 50. Bc4 Re7 51. Qd6 Bd7 52. c6 Bc8 53. Qd8 1-0