| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. O Cuasnicu vs H Rossetto |
| ½-½ | 29 | 1973 | Buenos Aires CA | A15 English |
| 27. M Campos Lopez vs O Cuasnicu |
| 0-1 | 51 | 1973 | Buenos Aires CA | B48 Sicilian, Taimanov Variation |
| 28. O Cuasnicu vs Najdorf |
| 1-0 | 29 | 1973 | Buenos Aires CA | B84 Sicilian, Scheveningen |
| 29. J Szmetan vs O Cuasnicu |
| ½-½ | 28 | 1975 | Buenos Aires Club Argentino | C63 Ruy Lopez, Schliemann Defense |
| 30. R Garcia vs O Cuasnicu |
| ½-½ | 12 | 1975 | Buenos Aires Club Argentino | D68 Queen's Gambit Declined, Orthodox Defense, Classical |
| 31. O Cuasnicu vs S Schweber |
| ½-½ | 12 | 1975 | Buenos Aires Club Argentino | C10 French |
| 32. R Sanguineti vs O Cuasnicu |
| ½-½ | 36 | 1975 | Buenos Aires Club Argentino | A14 English |
| 33. O Cuasnicu vs J Rubinetti |
| ½-½ | 21 | 1975 | Buenos Aires Club Argentino | C56 Two Knights |
| 34. H Rossetto vs O Cuasnicu |
| 1-0 | 42 | 1975 | Buenos Aires Club Argentino | A45 Queen's Pawn Game |
| 35. O Cuasnicu vs A Kostka |
| 1-0 | 39 | 1975 | Buenos Aires Club Argentino | B06 Robatsch |
| 36. Letelier vs O Cuasnicu |
| 0-1 | 52 | 1975 | Buenos Aires Club Argentino | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 37. O Cuasnicu vs A E Seidler |
| 0-1 | 39 | 1975 | Buenos Aires Club Argentino | B96 Sicilian, Najdorf |
| 38. O Cuasnicu vs R Grinberg |
| 1-0 | 24 | 1975 | Buenos Aires Club Argentino | B80 Sicilian, Scheveningen |
| 39. H de la Vega vs O Cuasnicu |
| ½-½ | 23 | 1975 | Buenos Aires Club Argentino | E60 King's Indian Defense |
| 40. O Cuasnicu vs J Emma |
  | ½-½ | 1 | 1975 | Argentine Championship | B00 Uncommon King's Pawn Opening |
| 41. N Sampaolesi vs O Cuasnicu |
| 0-1 | 49 | 1975 | Argentine Championship | B44 Sicilian |
| 42. O Cuasnicu vs E Miana |
| ½-½ | 68 | 1975 | Argentine Championship | A07 King's Indian Attack |
| 43. S Giardelli vs O Cuasnicu |
| ½-½ | 28 | 1975 | Argentine Championship | A20 English |
| 44. O Cuasnicu vs L Barea |
| ½-½ | 24 | 1975 | Argentine Championship | C66 Ruy Lopez |
| 45. L Bronstein vs O Cuasnicu |
| 1-0 | 28 | 1975 | Argentine Championship | B46 Sicilian, Taimanov Variation |
| 46. O Cuasnicu vs Panno |
| 0-1 | 31 | 1975 | Argentine Championship | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 47. C Paglilla vs O Cuasnicu |
| 0-1 | 21 | 1975 | Argentine Championship | B40 Sicilian |
| 48. O Cuasnicu vs I Rodriguez |
| 1-0 | 43 | 1975 | Argentine Championship | B31 Sicilian, Rossolimo Variation |
| 49. V Brond vs O Cuasnicu |
| ½-½ | 23 | 1975 | Argentine Championship | E20 Nimzo-Indian |
| 50. O Cuasnicu vs Quinteros |
| ½-½ | 19 | 1975 | Argentine Championship | B97 Sicilian, Najdorf |
Kibitzing
