| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. J M Cristia vs J Molina |
| 0-1 | 61 | 1934 | South American Championship 1934/35 | B21 Sicilian, 2.f4 and 2.d4 |
| 27. M Castillo vs J M Cristia |
| 1-0 | 24 | 1934 | South American Championship 1934/35 | D09 Queen's Gambit Declined, Albin Counter Gambit, 5.g3 |
| 28. J M Cristia vs I Pleci |
| 0-1 | 39 | 1934 | South American Championship 1934/35 | B29 Sicilian, Nimzovich-Rubinstein |
| 29. L Piazzini vs J M Cristia |
| 1-0 | 41 | 1934 | South American Championship 1934/35 | A40 Queen's Pawn Game |
| 30. J M Cristia vs J Vinuesa |
| 0-1 | 29 | 1934 | South American Championship 1934/35 | E94 King's Indian, Orthodox |
| 31. J M Cristia vs V Mikenas |
| 0-1 | 38 | 1939 | Rosario | A48 King's Indian |
| 32. J Vinuesa vs J M Cristia |
| 0-1 | 28 | 1939 | Rosario | D57 Queen's Gambit Declined, Lasker Defense |
| 33. J M Cristia vs Eliskases |
| 0-1 | 34 | 1939 | Rosario | A47 Queen's Indian |
| 34. O Giustina vs J M Cristia |
| 0-1 | 59 | 1939 | Rosario | B03 Alekhine's Defense |
| 35. J M Cristia vs O Garcia Vera |
| 0-1 | 40 | 1939 | Rosario | A46 Queen's Pawn Game |
| 36. R Garcia Vera vs J M Cristia |
| ½-½ | 21 | 1939 | Rosario | B02 Alekhine's Defense |
| 37. J M Cristia vs Petrov |
| 0-1 | 45 | 1939 | Rosario | D04 Queen's Pawn Game |
| 38. J M Cristia vs A Becker |
| ½-½ | 43 | 1944 | Buenos Aires La Roge | A47 Queen's Indian |
| 39. J M Cristia vs P Michel |
| ½-½ | 48 | 1944 | Buenos Aires La Roge | D02 Queen's Pawn Game |
| 40. L Piazzini vs J M Cristia |
| 0-1 | 48 | 1944 | Buenos Aires La Roge | C77 Ruy Lopez |
| 41. E Reinhardt vs J M Cristia |
| 0-1 | 21 | 1944 | Buenos Aires La Roge | E14 Queen's Indian |
| 42. J M Cristia vs J Gutierrez |
| 1-0 | 29 | 1945 | Vina del Mar | D03 Torre Attack (Tartakower Variation) |
| 43. Najdorf vs J M Cristia |
| 1-0 | 30 | 1945 | Vina del Mar | D56 Queen's Gambit Declined |
| 44. J M Cristia vs E Reed Valenzuela |
| ½-½ | 42 | 1945 | Vina del Mar | A47 Queen's Indian |
| 45. W Ader Hausman vs J M Cristia |
| 1-0 | 28 | 1945 | Vina del Mar | E17 Queen's Indian |
| 46. R Flores Alvarez vs J M Cristia |
 | 0-1 | 35 | 1945 | Vina del Mar | E17 Queen's Indian |
| 47. J M Cristia vs H Appel |
| 1-0 | 32 | 1945 | Vina del Mar | D03 Torre Attack (Tartakower Variation) |
| 48. A Maccioni vs J M Cristia |
| 0-1 | 31 | 1945 | Vina del Mar | D30 Queen's Gambit Declined |
| 49. T P Possi vs J M Cristia |
| 0-1 | 35 | 1945 | Vina del Mar | B80 Sicilian, Scheveningen |
| 50. J M Cristia vs Letelier |
| 1-0 | 38 | 1945 | Vina del Mar | A48 King's Indian |
Kibitzing
