[Event "Rovinj/Zagreb"]
[Site "Zagreb"]
[Date "1970.04.19"]
[Round "6"]
[White "Bertok, Mario"]
[Black "Browne, Walter Shawn"]
[Result "1/2-1/2"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. O-O Be7 10. e4 b4 11. Na4 c5 12. e5 Nd5 13. Nxc5 Nxc5 14. dxc5 Qd7 15. Nd4 Nc7 16. c6 Bxc6 17. Nxc6 Qxc6 18. Be3 Nd5 19. Qe2 O-O 20. Rfc1 Qa4 21. Bb5 Qa5 22. Bd2 Rac8 23. Bc4 Qb6 24. Qe4 Bc5 25. Be1 Rcd8 26. Rd1 Ne7 27. h4 Bd4 28. Rd2 Nf5 29. Bb3 Bc5 30. Rad1 Rxd2 31. Rxd2 h5 32. Rd7 a5 33. Rb7 Qd8 34. Kf1 Bd4 35. g3 Bxb2 36. Qe2 Qd4 37. Rc7 Bc3 38. Rc4 Qxe5 39. Bxc3 Qxe2+ 40. Kxe2 bxc3 41. Rxc3 Nd4+ 42. Ke3 Nf5+ 43. Kd2 Rd8+ 44. Rd3 Nd6 45. Ke2 g6 46. Rc3 Rd7 47. Rc6 Nf5 48. Ra6 Nd4+ 49. Ke3 Nxb3 50. axb3 Rd5 51. b4 Re5+ 52. Kf3 Rf5+ 53. Ke3 Re5+ 54. Kf3 axb4 55. Rb6 Kg7 56. Rxb4 Kf6 57. Rb7 Ra5 58. Rc7 e5 59. Rb7 Ke6 60. Rc7 f6 61. Rb7 Kf5 62. Rg7 Ra3+ 63. Kg2 e4 64. Rg8 e3 65. fxe3 g5 66. hxg5 fxg5 67. Kh3 Rxe3 68. Rf8+ Kg6 69. Kg2 Re6 70. Rf2 Re7 71. Ra2 Kf5 72. Kf3 Re5 73. Ra8 g4+ 74. Kf2 1/2-1/2