| Game |
| Result | Moves |
Year |
Event/Locale | Opening |
| 1. Ahues vs I Pleci |
| ½-½ | 31 |
1930 |
Liege | E14 Queen's Indian |
| 2. I Pleci vs G A Thomas |
| ½-½ | 40 |
1930 |
Liege | E71 King's Indian, Makagonov System (5.h3) |
| 3. R Grau vs I Pleci |
| 1-0 | 64 |
1930 |
ARG-ch m | B19 Caro-Kann, Classical |
| 4. I Pleci vs Rubinstein |
 | 0-1 | 54 |
1930 |
Liege | C79 Ruy Lopez, Steinitz Defense Deferred |
| 5. I Pleci vs Tartakower |
| 0-1 | 35 |
1930 |
Liege | D02 Queen's Pawn Game |
| 6. Nimzowitsch vs I Pleci |
| 1-0 | 53 |
1930 |
Liege | A00 Uncommon Opening |
| 7. I Pleci vs V Soultanbeieff |
 | 1-0 | 23 |
1930 |
Liege | D51 Queen's Gambit Declined |
| 8. Colle vs I Pleci |
| ½-½ | 66 |
1930 |
Liege | A46 Queen's Pawn Game |
| 9. R Grau vs I Pleci |
| 0-1 | 23 |
1930 |
ARG-ch m | C71 Ruy Lopez |
| 10. Weenink vs I Pleci |
| 1-0 | 60 |
1930 |
Liege | A45 Queen's Pawn Game |
| 11. I Pleci vs Marshall |
| ½-½ | 42 |
1930 |
Liege | D51 Queen's Gambit Declined |
| 12. R Grau vs I Pleci |
| 0-1 | 27 |
1930 |
ARG-ch m | C79 Ruy Lopez, Steinitz Defense Deferred |
| 13. I Pleci vs R Grau |
| 1-0 | 57 |
1930 |
ARG-ch m | E22 Nimzo-Indian, Spielmann Variation |
| 14. I Pleci vs R Grau |
| ½-½ | 82 |
1930 |
ARG-ch m | E22 Nimzo-Indian, Spielmann Variation |
| 15. Przepiorka vs I Pleci |
| ½-½ | 71 |
1930 |
Liege | D05 Queen's Pawn Game |
| 16. I Pleci vs R Grau |
| 1-0 | 47 |
1930 |
ARG-ch m | D13 Queen's Gambit Declined Slav, Exchange Variation |
| 17. R Grau vs I Pleci |
| 1-0 | 44 |
1930 |
ARG-ch m | A46 Queen's Pawn Game |
| 18. I Pleci vs R Grau |
| ½-½ | 61 |
1930 |
ARG-ch m | D31 Queen's Gambit Declined |
| 19. I Pleci vs Sultan Khan |
| 0-1 | 40 |
1930 |
Liege Belgium | E23 Nimzo-Indian, Spielmann |
| 20. I Pleci vs V Fenoglio |
| ½-½ | 37 |
1931 |
ARG-ch m | D10 Queen's Gambit Declined Slav |
| 21. I Pleci vs V Fenoglio |
| 1-0 | 56 |
1931 |
ARG-ch m | D12 Queen's Gambit Declined Slav |
| 22. Jacobo Bolbochan vs I Pleci |
 | 1-0 | 38 |
1931 |
ARG-ch m 3132 | D66 Queen's Gambit Declined, Orthodox Defense, Bd3 line |
| 23. J Lynch vs I Pleci |
| 1-0 | 43 |
1931 |
Buenos Aires | A46 Queen's Pawn Game |
| 24. V Fenoglio vs I Pleci |
| ½-½ | 53 |
1931 |
ARG-ch m | D04 Queen's Pawn Game |
| 25. I Pleci vs V Fenoglio |
| 1-0 | 59 |
1931 |
ARG-ch m | B13 Caro-Kann, Exchange |