| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. L Bronstein vs M Bernat |
| 0-1 | 34 | 1976 | ARG-ch | C60 Ruy Lopez |
| 2. J Szmetan vs M Bernat |
| 1-0 | 30 | 1976 | ARG-ch | B43 Sicilian, Kan, 5.Nc3 |
| 3. M Bernat vs O Bazan |
| 1-0 | 29 | 1976 | ARG-ch | B00 Uncommon King's Pawn Opening |
| 4. M Bernat vs D H Campora |
| 0-1 | 41 | 1976 | ARG-ch | C60 Ruy Lopez |
| 5. R A Redolfi vs M Bernat |
| ½-½ | 20 | 1977 | La Falda op | C75 Ruy Lopez, Modern Steinitz Defense |
| 6. M Bernat vs J Gomez Baillo |
| 1-0 | 32 | 1977 | ARG-ch U20 | E14 Queen's Indian |
| 7. H Janssen vs M Bernat |
| 1-0 | 47 | 1977 | World Junior Championship | C45 Scotch Game |
| 8. M Bernat vs C Morris |
| 1-0 | 41 | 1977 | World Junior Championship | E63 King's Indian, Fianchetto, Panno Variation |
| 9. M Bernat vs E Omuku |
| 1-0 | 33 | 1977 | World Junior Championship | D61 Queen's Gambit Declined, Orthodox, Rubinstein Attack |
| 10. A C Yurtseven vs M Bernat |
| ½-½ | 47 | 1977 | World Junior Championship | C75 Ruy Lopez, Modern Steinitz Defense |
| 11. C Ghysels vs M Bernat |
| ½-½ | 31 | 1977 | World Junior Championship | B40 Sicilian |
| 12. M Bernat vs C Barry |
| 1-0 | 36 | 1977 | World Junior Championship | D18 Queen's Gambit Declined Slav, Dutch |
| 13. M Bernat vs M Rivas Pastor |
| ½-½ | 29 | 1977 | World Junior Championship | E11 Bogo-Indian Defense |
| 14. M Bernat vs K Jensen |
| 0-1 | 32 | 1977 | World Junior Championship | A16 English |
| 15. A Duer vs M Bernat |
| 1-0 | 60 | 1977 | World Junior Championship | B42 Sicilian, Kan |
| 16. G Morrison vs M Bernat |
| ½-½ | 35 | 1977 | World Junior Championship | C69 Ruy Lopez, Exchange, Gligoric Variation |
| 17. M Bernat vs V Maki |
| ½-½ | 43 | 1977 | World Junior Championship | A15 English |
| 18. P Stempin vs M Bernat |
| ½-½ | 49 | 1977 | World Junior Championship | D16 Queen's Gambit Declined Slav |
| 19. J Vaca Pereira vs M Bernat |
| 0-1 | 48 | 1977 | Pan American Junior Championship | A53 Old Indian |
| 20. M Bernat vs F Delgado |
| 1-0 | 31 | 1977 | Pan American Junior Championship | E10 Queen's Pawn Game |
| 21. M Bernat vs R Navarro |
| 1-0 | 41 | 1977 | Pan American Junior Championship | E12 Queen's Indian |
| 22. V McCambridge vs M Bernat |
| 0-1 | 39 | 1977 | Pan American Junior Championship | A57 Benko Gambit |
| 23. R Cifuentes vs M Bernat |
| ½-½ | 18 | 1977 | Pan American Junior Championship | D63 Queen's Gambit Declined, Orthodox Defense |
| 24. M Bernat vs C Braga |
| 0-1 | 41 | 1977 | Pan American Junior Championship | A05 Reti Opening |
| 25. M Bernat vs H Hernandez Agamez |
| 1-0 | 61 | 1977 | Pan American Junior Championship | D91 Grunfeld, 5.Bg5 |
Kibitzing
