Game |
| Result | Moves |
Year | Event/Locale | Opening |
1. R Preotu vs Shabalov |
| 0-1 | 27 | 2010 | Canadian Open | E63 King's Indian, Fianchetto, Panno Variation |
2. P Gelis vs R Preotu |
| 1-0 | 48 | 2010 | Canadian Open | D37 Queen's Gambit Declined |
3. R Preotu vs J Wang |
| 0-1 | 22 | 2010 | Summer open | B25 Sicilian, Closed |
4. R Preotu vs G Olheiser |
| ½-½ | 30 | 2010 | Summer open | A90 Dutch |
5. R Preotu vs T Knechtel |
| 1-0 | 41 | 2010 | Oktoberfest - U2000 | B07 Pirc |
6. R Gashgarian vs R Preotu |
| 0-1 | 18 | 2010 | Oktoberfest - U2000 | A04 Reti Opening |
7. Y Aronov vs R Preotu |
 | 1-0 | 12 | 2011 | Hart House Reading Week Open | E98 King's Indian, Orthodox, Taimanov, 9.Ne1 |
8. R Preotu vs So |
 | 0-1 | 29 | 2011 | Simul | B80 Sicilian, Scheveningen |
9. O Qian vs R Preotu |
 | 0-1 | 61 | 2011 | Canadian Jr Championship | E97 King's Indian |
10. R Preotu vs R Sapozhnikov |
| 0-1 | 21 | 2011 | Canadian Jr Championship | B90 Sicilian, Najdorf |
11. R Preotu vs Z Qin |
| 0-1 | 23 | 2011 | Canadian Jr Championship | B23 Sicilian, Closed |
12. D Cockburn vs R Preotu |
| 0-1 | 33 | 2011 | Kitchener team active | E67 King's Indian, Fianchetto |
13. S Thavandiran vs R Preotu |
| 1-0 | 24 | 2011 | Canadian Open | B25 Sicilian, Closed |
14. R Preotu vs E Pieri |
| 1-0 | 32 | 2011 | Canadian Open | B15 Caro-Kann |
15. R Preotu vs M Dougherty |
| 0-1 | 24 | 2011 | Canadian Open | B18 Caro-Kann, Classical |
16. P Manalo vs R Preotu |
| 0-1 | 37 | 2011 | Canadian Open | B30 Sicilian |
17. R Preotu vs F Barrios |
| ½-½ | 42 | 2011 | Canadian Open | B07 Pirc |
18. D Abrahams vs R Preotu |
| ½-½ | 36 | 2011 | Canadian Open | B32 Sicilian |
19. R Preotu vs T Sohal |
| ½-½ | 81 | 2011 | Canadian Open | B33 Sicilian |
20. A Moffat vs R Preotu |
| 0-1 | 34 | 2011 | Canadian Open | A00 Uncommon Opening |
21. R Preotu vs I Krush |
| 0-1 | 63 | 2013 | Chicago Open | B62 Sicilian, Richter-Rauzer |
22. J Friedel vs R Preotu |
| ½-½ | 59 | 2013 | Chicago Open | E63 King's Indian, Fianchetto, Panno Variation |
23. D Shmelov vs R Preotu |
| 1-0 | 63 | 2013 | Chicago Open | A73 Benoni, Classical, 9.O-O |
24. Sevian vs R Preotu |
| 1-0 | 57 | 2013 | Chicago Open | B30 Sicilian |
25. D Fernandez vs R Preotu |
| 1-0 | 38 | 2013 | Chicago Open | E61 King's Indian |