[Event "Buenos Aires Club Argentino-50"]
[Site "Buenos Aires"]
[Date "1955.??.??"]
[Round "17"]
[White "Panno, Oscar"]
[Black "Donner, Jan Hein"]
[Result "1-0"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Nf3 e5 7. O-O c6 8. Re1 Qb6 9. Bf1 Bg4 10. d5 c5 11. a3 a5 12. Rb1 Na6 13. Bg5 h6 14. Bd2 Ne8 15. h3 Bd7 16. Qc2 Qd8 17. Nh2 f5 18. exf5 gxf5 19. f3 Nf6 20. Bd3 Nh5 21. Ne2 Nc7 22. b4 axb4 23. axb4 Na6 24. b5 Nc7 25. Rf1 Qh4 26. Be1 Qg5 27. Bd2 Qh4 28. Be1 Qg5 29. f4 Nxf4 30. Nxf4 exf4 31. Nf3 Qg6 32. Bd2 Ra3 33. Bxf4 Rfa8 34. Rf2 Rc3 35. Qd1 Ne8 36. Rc2 Rca3 37. Kh1 Nf6 38. Bc1 R3a4 39. Bb2 Ne4 40. Bxg7 Qxg7 41. Qe1 Ng3+ 42. Kh2 f4 43. Qd2 Nh5 44. Ng1 Qg3+ 45. Kh1 Ra3 46. Be2 Nf6 47. Rf1 Re3 48. Rf3 Qg5 49. Bd3 Rae8 50. Rc1 Qe5 51. Bb1 Rf8 52. Qf2 Nh5 53. Qh4 Qg5 54. Qxg5+ hxg5 55. Rxe3 fxe3 56. g4 Nf4 57. Re1 e2 58. Kh2 Ra8 59. Nf3 Ra4 60. Nxg5 Rxc4 61. Kg3 Bxb5 62. Be4 Nd3 63. Rxe2 Ne5 64. Rf2 Rc3+ 65. Kh4 Be8 66. Rf6 c4 67. Rxd6 Re3 68. Re6 Ng6+ 69. Bxg6 Rxe6 70. Bh7+ Kg7 71. dxe6 1-0