[Event "Interzonal-11b"]
[Site "Rio de Janeiro"]
[Date "1979.10.10"]
[Round "13"]
[White "Bronstein, Luis Marcos"]
[Black "Balashov, Yuri S"]
[Result "1/2-1/2"]
[WhiteElo "2420"]
[BlackElo "2600"]

1. d4 Nf6 2. c4 c5 3. d5 d6 4. Nc3 g6 5. e4 Bg7 6. Nf3 O-O 7. Bd3 a6 8. a4 e6 9. h3 Nbd7 10. Be3 b6 11. Qd2 Rb8 12. dxe6 fxe6 13. Be2 Ne8 14. O-O Bb7 15. Ng5 Qe7 16. Bg4 Rf6 17. Rad1 Ne5 18. Be2 Nc6 19. f4 Nd4 20. Nf3 Nxe2+ 21. Qxe2 Rf8 22. Qd3 Rd8 23. Ng5 Nf6 24. Qc2 h6 25. Nf3 Nh5 26. Ne2 e5 27. f5 gxf5 28. exf5 e4 29. Nh2 d5 30. cxd5 Rxd5 31. Qb3 Qf7 32. Qxb6 Rxd1 33. Rxd1 Bd5 34. Ng4 Bc4 35. Nc3 Qxf5 36. Nxh6+ Bxh6 37. Qxh6 Bd3 38. Qd6 Nf4 39. Bxf4 Qxf4 40. Qg6+ Kh8 41. Qh5+ Kg7 42. Nd5 Qg3 43. Qg4+ Qxg4 44. hxg4 c4 45. Ne3 Kf6 46. Rd2 Ke5 47. Rf2 Rb8 48. g5 Kd4 49. Nf5+ Kc5 50. g6 e3 51. Nxe3 Bxg6 52. g4 Bd3 53. Kh2 Kb4 54. Rf4 Re8 55. Nd5+ Kxa4 56. Kg3 Rd8 57. Ne3 Kb3 58. Rf6 Kxb2 59. Rxa6 c3 60. Nd1+ Kc2 61. Ra3 Kxd1 62. Rxc3 Kd2 63. Rc5 Ke3 64. g5 Rd4 65. Re5+ Be4 66. Ra5 Rd1 67. Ra3+ Bd3 68. Kg4 Rh1 69. Rxd3+ Kxd3 70. Kf5 Rf1+ 1/2-1/2