| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. A Hambleton vs R Preotu |
| 0-1 | 62 | 2017 | PRO Chess League (Atlantic) | E70 King's Indian |
| 52. R Preotu vs A Lesiege |
| 1-0 | 41 | 2017 | PRO Chess League (Atlantic) | C95 Ruy Lopez, Closed, Breyer |
| 53. R Preotu vs M Kleinman |
| 1-0 | 28 | 2017 | PRO Chess League (Atlantic) | C07 French, Tarrasch |
| 54. C Li vs R Preotu |
| 1-0 | 30 | 2017 | PRO Chess League (Atlantic) | E00 Queen's Pawn Game |
| 55. R Preotu vs G Jones |
| 0-1 | 37 | 2017 | PRO League Group Stage | B76 Sicilian, Dragon, Yugoslav Attack |
| 56. A Abreu Delgado vs R Preotu |
| 0-1 | 34 | 2017 | PRO Chess League (Knock-Out) | B53 Sicilian |
| 57. R Preotu vs N Kumar |
| 0-1 | 29 | 2017 | PRO Chess League (Knock-Out) | B12 Caro-Kann Defense |
| 58. C Munoz vs R Preotu |
| 0-1 | 40 | 2017 | Texas Collegiate Superfinal | E20 Nimzo-Indian |
| 59. V Belous vs R Preotu |
| 1-0 | 39 | 2017 | Texas Collegiate Superfinal | A04 Reti Opening |
| 60. R Preotu vs P Vorontsov |
| ½-½ | 57 | 2017 | Texas Collegiate Superfinal | A07 King's Indian Attack |
| 61. R Preotu vs J D Ruiz Castillo |
| ½-½ | 74 | 2017 | Texas Collegiate Superfinal | B90 Sicilian, Najdorf |
| 62. S H Yim vs R Preotu |
| ½-½ | 37 | 2017 | UT Dallas Fall Open | E32 Nimzo-Indian, Classical |
| 63. R Preotu vs A Guo |
| 1-0 | 49 | 2017 | UT Dallas Fall Open | B90 Sicilian, Najdorf |
| 64. J Sheng vs R Preotu |
| 1-0 | 23 | 2017 | UT Dallas Fall Open | A45 Queen's Pawn Game |
| 65. R Preotu vs J Sarkar |
| 1-0 | 43 | 2017 | UT Dallas Fall Open | C42 Petrov Defense |
| 66. A Kovalyov vs R Preotu |
| ½-½ | 21 | 2017 | UT Dallas Fall Open | A15 English |
| 67. R Preotu vs Xiong |
| 0-1 | 22 | 2017 | UT Dallas Fall Open | B90 Sicilian, Najdorf |
| 68. F Ynojosa Aponte vs R Preotu |
| ½-½ | 28 | 2017 | UT Dallas Fall Open | A35 English, Symmetrical |
| 69. S Thavandiran vs R Preotu |
| ½-½ | 49 | 2017 | UT Dallas Fall Open | B90 Sicilian, Najdorf |
| 70. R Preotu vs T Stremavicius |
| ½-½ | 22 | 2017 | UT Dallas Fall Open | B07 Pirc |
| 71. R Preotu vs Xiong |
| 0-1 | 92 | 2018 | 84th Southwest Open | B90 Sicilian, Najdorf |
| 72. R Preotu vs B Thing |
| 1-0 | 35 | 2018 | Batumi Olympiad | B90 Sicilian, Najdorf |
| 73. Harikrishna vs R Preotu |
| 1-0 | 33 | 2018 | Batumi Olympiad | B53 Sicilian |
| 74. R Preotu vs C Rios |
| 1-0 | 29 | 2018 | Batumi Olympiad | B43 Sicilian, Kan, 5.Nc3 |
| 75. R Preotu vs D Blagojevic |
| ½-½ | 45 | 2018 | Batumi Olympiad | C92 Ruy Lopez, Closed |
Kibitzing
