| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. L Bronstein vs J F Pierrot |
| ½-½ | 42 | 1990 | Buenos Aires GP 12th | A15 English |
| 2. A Forestani vs J F Pierrot |
| 0-1 | 39 | 1991 | Mar del Plata Open | D02 Queen's Pawn Game |
| 3. J F Pierrot vs V Palermo |
| ½-½ | 37 | 1991 | Mar del Plata Open | A07 King's Indian Attack |
| 4. A Rodriguez vs J F Pierrot |
| ½-½ | 23 | 1991 | Mar del Plata Open | B33 Sicilian |
| 5. J F Pierrot vs I B de Souza |
| 0-1 | 19 | 1991 | Mar del Plata Open | A07 King's Indian Attack |
| 6. C Grushka vs J F Pierrot |
| 0-1 | 45 | 1991 | Buenos Aires Konex Canon Open | A49 King's Indian, Fianchetto without c4 |
| 7. J F Pierrot vs J L Rodriguez |
| 0-1 | 28 | 1991 | Buenos Aires Konex Canon Open | A07 King's Indian Attack |
| 8. C Cranbourne vs J F Pierrot |
 | 0-1 | 38 | 1992 | Buenos Aires Traffic-op | B33 Sicilian |
| 9. J F Pierrot vs L Bronstein |
| ½-½ | 35 | 1992 | Mar del Plata op | A07 King's Indian Attack |
| 10. J F Pierrot vs A Giaccio |
| 1-0 | 43 | 1993 | Buenos Aires PRO op | C03 French, Tarrasch |
| 11. A Laboranti vs J F Pierrot |
| ½-½ | 34 | 1993 | Buenos Aires GEB op | B33 Sicilian |
| 12. J Szmetan vs J F Pierrot |
| 1-0 | 49 | 1993 | Buenos Aires PRO op | A15 English |
| 13. J F Pierrot vs L Bronstein |
| ½-½ | 22 | 1993 | Buenos Aires op1 | C96 Ruy Lopez, Closed |
| 14. A Giaccio vs J F Pierrot |
| 0-1 | 44 | 1994 | IRT Jaque Mate | B33 Sicilian |
| 15. J F Pierrot vs Quinteros |
| 0-1 | 60 | 1995 | Mar del Plata op 26th | B92 Sicilian, Najdorf, Opocensky Variation |
| 16. J F Pierrot vs J Becerra Rivero |
| 0-1 | 34 | 1995 | Benasque Open | B58 Sicilian |
| 17. A Giaccio vs J F Pierrot |
| ½-½ | 14 | 1996 | Santiago magistral 3rd | D87 Grunfeld, Exchange |
| 18. E Scarella vs J F Pierrot |
| ½-½ | 17 | 1996 | Mar del Plata op | D79 Neo-Grunfeld, 6.O-O, Main line |
| 19. G Vescovi vs J F Pierrot |
| 1-0 | 77 | 1996 | Mar del Plata op | D90 Grunfeld |
| 20. L Bronstein vs J F Pierrot |
| ½-½ | 36 | 1996 | Buenos Aires FMDA-chT | A37 English, Symmetrical |
| 21. J F Pierrot vs M Godena |
| ½-½ | 41 | 1996 | Porto San Giorgio op 8th | C78 Ruy Lopez |
| 22. J F Pierrot vs Barsov |
| 1-0 | 81 | 1996 | Val Thorens A | C05 French, Tarrasch |
| 23. E Scarella vs J F Pierrot |
| ½-½ | 26 | 1996 | Santiago magistral 3rd | A04 Reti Opening |
| 24. J F Pierrot vs P Zarnicki |
| ½-½ | 42 | 1997 | Clarin GP op | B74 Sicilian, Dragon, Classical |
| 25. A Giaccio vs J F Pierrot |
| 1-0 | 37 | 1997 | ARG-ch sf | B33 Sicilian |
Kibitzing
