| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 26. Jacobo Bolbochan vs I Pleci |
 | 1-0 | 38 |
1931 |
ARG-ch m 3132 | D66 Queen's Gambit Declined, Orthodox Defense, Bd3 line |
| 27. J Lynch vs I Pleci |
| 1-0 | 43 |
1931 |
Buenos Aires | A46 Queen's Pawn Game |
| 28. V Fenoglio vs I Pleci |
| ½-½ | 53 |
1931 |
ARG-ch m | D04 Queen's Pawn Game |
| 29. I Pleci vs V Fenoglio |
| 1-0 | 59 |
1931 |
ARG-ch m | B13 Caro-Kann, Exchange |
| 30. Jacobo Bolbochan vs I Pleci |
| 1-0 | 50 |
1931 |
ARG-ch m 3132 | D11 Queen's Gambit Declined Slav |
| 31. I Pleci vs V Fenoglio |
| 1-0 | 30 |
1931 |
ARG-ch m | D12 Queen's Gambit Declined Slav |
| 32. V Fenoglio vs I Pleci |
| 0-1 | 35 |
1931 |
ARG-ch m | D00 Queen's Pawn Game |
| 33. J Molina vs I Pleci |
 | ½-½ | 41 |
1931 |
Buenos Aires | D30 Queen's Gambit Declined |
| 34. I Pleci vs V Fenoglio |
| 0-1 | 31 |
1931 |
ARG-ch m | D01 Richter-Veresov Attack |
| 35. Jacobo Bolbochan vs I Pleci |
| ½-½ | 50 |
1931 |
ARG-ch m 3132 | E22 Nimzo-Indian, Spielmann Variation |
| 36. V Fenoglio vs I Pleci |
| ½-½ | 86 |
1931 |
ARG-ch m | A47 Queen's Indian |
| 37. P Ipata vs I Pleci |
| 0-1 | 58 |
1931 |
Buenos Aires | A46 Queen's Pawn Game |
| 38. I Pleci vs Jacobo Bolbochan |
| 0-1 | 47 |
1931 |
ARG-ch m 3132 | D51 Queen's Gambit Declined |
| 39. Jacobo Bolbochan vs I Pleci |
| ½-½ | 49 |
1931 |
ARG-ch m 3132 | D52 Queen's Gambit Declined |
| 40. C H Maderna vs I Pleci |
| 1-0 | 49 |
1931 |
Buenos Aires | A48 King's Indian |
| 41. I Pleci vs Jacobo Bolbochan |
| 1-0 | 36 |
1931 |
ARG-ch m 3132 | D51 Queen's Gambit Declined |
| 42. V Fenoglio vs I Pleci |
| ½-½ | 41 |
1931 |
ARG-ch m | A47 Queen's Indian |
| 43. E Falcon vs I Pleci |
| ½-½ | 65 |
1931 |
Buenos Aires | A46 Queen's Pawn Game |
| 44. Jacobo Bolbochan vs I Pleci |
| 1-0 | 75 |
1932 |
ARG-ch m 3233 | E35 Nimzo-Indian, Classical, Noa Variation, 5.cd ed |
| 45. Jacobo Bolbochan vs I Pleci |
| ½-½ | 50 |
1932 |
ARG-ch m 3233 | D51 Queen's Gambit Declined |
| 46. Jacobo Bolbochan vs I Pleci |
| 1-0 | 50 |
1935 |
ARG-ch playoff-1pl | E38 Nimzo-Indian, Classical, 4...c5 |
| 47. I Pleci vs L Piazzini |
| 1-0 | 46 |
1935 |
Buenos Aires | D32 Queen's Gambit Declined, Tarrasch |
| 48. Guimard vs I Pleci |
| 0-1 | 26 |
1935 |
Buenos Aires | D08 Queen's Gambit Declined, Albin Counter Gambit |
| 49. I Pleci vs M Romi |
| ½-½ | 32 |
1935 |
Warsaw ol (Men) | D13 Queen's Gambit Declined Slav, Exchange Variation |
| 50. Jacobo Bolbochan vs I Pleci |
| ½-½ | 41 |
1935 |
Buenos Aires | D50 Queen's Gambit Declined |