| 1429.6 | 1445.6 | 20 | 20 | De Vasconcelos, T (Tiaana) | | GE | 1383.5 | 1378.8 | South African Junior Closed Chess Championship 2024 (U14 Girls) | 8 | 2024-04-30 | S | B | 0 | 0.51 | -0.51 | -10.2 | 0.54 | -0.54 | -10.8 |
| 1419.8 | 1429.2 | 20 | 20 | De Vasconcelos, T (Tiaana) | | GE | 1436.2 | 1431 | 2023 Gauteng Top Schools (U13 Girls) | 2 | 2023-08-18 | S | B | 0 | 0.44 | -0.44 | -7.3 | 0.46 | -0.46 | -9.2 |
| 1132.3 | 1107.4 | 20 | 20 | De Vasconcelos, T (Tiaana) | | GE | 1325.3 | 1311.9 | South African Junior Closed Chess Championships 2022 (U12 Girls) | 11 | 2022-04-02 | S | B | 0 | 0.23 | -0.23 | -4.6 | 0.22 | -0.22 | -4.4 |
| 1043 | 1045 | 20 | 20 | De Vasconcelos, T (Tiaana) | | GE | 1317.8 | 1307.9 | Ekurhuleni Trials (3) | 3 | 2019-06-08 | S | W | 0 | 0.22 | -0.22 | -3.7 | 0.24 | -0.24 | -4.8 |
| 1014 | 1016.3 | 20 | 20 | De Vasconcelos, T (Tiaana) | | GE | 1079.1 | 1069.6 | Ekurhuleni Trials 2 2019 (U10) | 1 | 2019-04-27 | S | W | 0 | 0.47 | -0.47 | -7.8 | 0.48 | -0.48 | -9.6 |
| 843.7 | 801.2 | 20 | 20 | De Vasconcelos, T (Tiaana) | | GE | 1261.1 | 1255.7 | Ekurhuleni Open 2018 (D) | 3 | 2018-08-18 | S | W | 0 | 0.06 | -0.06 | -1 | 0.01 | -0.01 | -0.2 |
| 1200 | 1200 | 20 | 20 | De Vasconcelos, T (Tiaana) | | GE | 580 | 569 | Brakpan Open 2018 (D) | 2 | 2018-02-24 | S | B | 0 | 0.99 | -0.99 | -16.4 | 0.99 | -0.99 | -19.8 |
