[Event "Olympiad-15 Preliminaries A"]
[Site "Varna"]
[Date "1962.09.21"]
[Round "6"]
[White "Zwaig, Arne"]
[Black "Keres, Paul"]
[Result "1/2-1/2"]
1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 Nf6 6. O-O O-O 7. d3 d5 8. Bg5 d4 9. Ne2 h6 10. Bc1 c4 11. e5 Ng4 12. dxc4 Ngxe5 13. Nxe5 Nxe5 14. Nxd4 Nxc4 15. c3 e5 16. Nc2 Be6 17. b3 Na5 18. Ba3 Re8 19. Qxd8 Raxd8 20. Rad1 f5 21. c4 Nc6 22. Bb2 a5 23. Rfe1 Kf7 24. a4 e4 25. Bxg7 Kxg7 26. f3 exf3 27. Bxf3 Kf6 28. Bxc6 bxc6 29. Nd4 Bd7 30. Kf2 Rxe1 31. Kxe1 Re8+ 32. Kf2 Re4 33. Ne2 Ke7 34. Nf4 Be8 35. Nd3 Kd6 36. Kf3 Re7 37. Rc1 g5 38. h3 Bh5+ 39. g4 Bg6 40. Rd1 fxg4+ 41. hxg4 Bxd3 42. Rxd3+ Kc5 43. Rd8 Rb7 44. Rd3 Rf7+ 45. Ke2 Rf4 46. Rh3 Kb4 47. Rxh6 Kxb3 48. c5 Kxa4 49. Rxc6 Rc4 50. Kf3 Kb4 51. Rb6+ Kc3 52. Rb5 a4 53. c6 a3 54. Rxg5 Rxc6 55. Ra5 Kb4 56. Ra8 Rc5 57. Kf4 Ra5 58. Rb8+ Kc3 59. Rc8+ Kd2 60. Rd8+ Ke2 61. Re8+ Kf2 62. Rc8 Ra4+ 63. Kf5 a2 64. Rc1 a1=Q 65. Rxa1 Rxa1 66. g5 Kg3 67. g6 Kh4 68. g7 1/2-1/2