[Event "Olympiad-19 Preliminaries A"]
[Site "Siegen"]
[Date "1970.09.05"]
[Round "1"]
[White "Bednarski, Jacek B"]
[Black "Miranda, Hernan M"]
[Result "1/2-1/2"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nc6 6. Bb5 Bd6 7. O-O Ne7 8. dxc5 Bxc5 9. Nb3 Bd6 10. Bg5 f6 11. Bh4 O-O 12. Re1 Ne5 13. Bg3 Bg4 14. Be2 Be6 15. Nbd4 Bf7 16. Bf1 Qb8 17. Nb5 N7c6 18. Nxd6 Qxd6 19. Nd4 Rac8 20. c3 Qd7 21. Qa4 Rfe8 22. Rad1 Re7 23. Bb5 a6 24. Nxc6 Nxc6 25. Rxe7 Qxe7 26. Bd3 Re8 27. h3 Ne5 28. Bf1 Qc5 29. Qd4 Qc6 30. Kh1 Nc4 31. b3 Ne5 32. Re1 Ng6 33. Rxe8+ Qxe8 34. f3 Ne5 35. Qe3 Bg6 36. Kg1 Qe7 37. Bf2 Qc7 38. Qd4 Bf7 39. Be2 Nc6 40. Qe3 Ne5 41. Bg3 Qe7 42. Kf2 Nc6 43. Qxe7 Nxe7 44. Bd6 Nc6 45. Ke3 Bg6 46. Bd1 Kf7 47. a4 Bb1 48. h4 g6 49. Bc5 Ke6 50. f4 h5 51. b4 Be4 52. g3 Bb1 53. Bb3 b5 54. Bd1 Ba2 55. Bc2 f5 56. Bd1 Bc4 57. Bc2 Nb8 58. Bf8 Nc6 59. Bg7 Bf1 60. Bb3 Bc4 61. Bd1 Bf1 62. Bc2 Bc4 63. Bf8 Bf1 1/2-1/2