| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. P Potapov vs R Pereira |
| 1-0 | 57 | 2002 | EU-ch U12 | D82 Grunfeld, 4.Bf4 |
| 2. R Pereira vs Caruana |
| 1-0 | 48 | 2003 | Wch U12 | B33 Sicilian |
| 3. R Pereira vs I Chirila |
| 0-1 | 39 | 2005 | Wch U14 | B42 Sicilian, Kan |
| 4. A Mammadov vs R Pereira |
| 1-0 | 159 | 2005 | Wch U14 | B99 Sicilian, Najdorf, 7...Be7 Main line |
| 5. O Kurmann vs R Pereira |
| 0-1 | 40 | 2007 | Illes Medes op 1st | B90 Sicilian, Najdorf |
| 6. D Arutinian vs R Pereira |
| 1-0 | 43 | 2008 | Cappelle Open | D80 Grunfeld |
| 7. R Pereira vs S Kojima |
| 1-0 | 75 | 2008 | Cappelle Open | B25 Sicilian, Closed |
| 8. R Pereira vs M Kozak |
| 1-0 | 39 | 2008 | Cappelle Open | B23 Sicilian, Closed |
| 9. A Scetinin vs R Pereira |
| 1-0 | 56 | 2008 | Cappelle Open | B50 Sicilian |
| 10. G Botta vs R Pereira |
| 0-1 | 29 | 2008 | EU-ch U18 18th | B96 Sicilian, Najdorf |
| 11. D Dvirnyy vs R Pereira |
 | 1-0 | 44 | 2008 | EU-ch U18 18th | B95 Sicilian, Najdorf, 6...e6 |
| 12. R Pereira vs S Opinca |
| 1-0 | 27 | 2008 | EU-ch U18 18th | B81 Sicilian, Scheveningen, Keres Attack |
| 13. R Pereira vs D Sarenac |
| 1-0 | 37 | 2008 | EU-ch U18 18th | B25 Sicilian, Closed |
| 14. E Blomqvist vs R Pereira |
| ½-½ | 22 | 2008 | EU-ch U18 18th | B96 Sicilian, Najdorf |
| 15. B Mitrovic vs R Pereira |
| 1-0 | 61 | 2008 | Open 18-wycc | B90 Sicilian, Najdorf |
| 16. R Pereira vs C Ertan |
| 1-0 | 54 | 2008 | Open 18-wycc | C46 Three Knights |
| 17. Ling Feng Ye vs R Pereira |
| 0-1 | 30 | 2008 | Open 18-wycc | B83 Sicilian |
| 18. R Pereira vs B Posedaru |
| ½-½ | 12 | 2008 | Open 18-wycc | C42 Petrov Defense |
| 19. E Schiendorfer vs R Pereira |
| ½-½ | 43 | 2008 | Open 18-wycc | D10 Queen's Gambit Declined Slav |
| 20. R Pereira vs K Saravana |
| ½-½ | 80 | 2008 | Open 18-wycc | C17 French, Winawer, Advance |
| 21. R Pereira vs K V Ochoa |
| ½-½ | 57 | 2008 | Open 18-wycc | C97 Ruy Lopez, Closed, Chigorin |
| 22. R Rajapakse vs R Pereira |
| 0-1 | 31 | 2008 | Open 18-wycc | D17 Queen's Gambit Declined Slav |
| 23. R Pereira vs Shankland |
| ½-½ | 43 | 2008 | Open 18-wycc | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 24. J Plenca vs R Pereira |
| ½-½ | 87 | 2008 | Open 18-wycc | B80 Sicilian, Scheveningen |
| 25. R Pereira vs V Rasulov |
| 1-0 | 25 | 2008 | Open 18-wycc | B40 Sicilian |
Kibitzing
