| 1570.4 | 1549.9 | 20 | 20 | De Vasconcelos, T (Tiaana) | | GE | 1260.8 | 1244.8 | 2022 Gauteng Schools Individual Chess Championship (U13 Girls) | 4 | 2022-06-18 | S | B | 1 | 0.82 | 0.18 | 3 | 0.81 | 0.19 | 3.8 |
| 1416.7 | 1401.4 | 20 | 20 | De Vasconcelos, T (Tiaana) | | GE | 1327.4 | 1314.1 | 2022 Gauteng Interregion (U12 Girls) | 5 | 2022-02-26 | S | W | 1 | 0.65 | 0.35 | 5.8 | 0.64 | 0.36 | 7.2 |
| 1432.1 | 1413.3 | 20 | 20 | De Vasconcelos, T (Tiaana) | | GE | 1300.1 | 1291.1 | 2019 South African Junior Team Championships (U10 Girls) | 2 | 2020-01-04 | S | B | 0.5 | 0.61 | -0.11 | -2.2 | 0.6 | -0.1 | -2 |
| 945.4 | 935.2 | 20 | 20 | De Vasconcelos, T (Tiaana) | | GE | 1286.5 | 1280.2 | 2018 Jakaranda (H) | 2 | 2018-09-22 | S | B | 1 | 0.06 | 0.94 | 15.6 | 0.06 | 0.94 | 18.8 |
| 854.7 | 868.8 | 20 | 20 | De Vasconcelos, T (Tiaana) | | GE | 1042 | 1045.4 | 2018 South African Junior Closed Chess Championships (U8 Girls) | 11 | 2018-04-07 | S | B | 1 | 0.24 | 0.76 | 15.2 | 0.25 | 0.75 | 15 |
