| 1151.1 | 1148.3 | 20 | 20 | De Vasconcelos, T (Tiaana) | | GE | 1327.4 | 1314.1 | 2022 Gauteng Interregion (U12 Girls) | 1 | 2022-02-26 | S | B | 0 | 0.25 | -0.25 | -4.1 | 0.27 | -0.27 | -5.4 |
| 1238 | 1225.7 | 20 | 20 | De Vasconcelos, T (Tiaana) | | GE | 1300.1 | 1291.1 | 2019 Wild Card Chess Championship (U10 Girls) | 6 | 2020-01-11 | S | W | 0 | 0.47 | -0.47 | -9.4 | 0.47 | -0.47 | -9.4 |
| 1227.5 | 1212.4 | 20 | 20 | De Vasconcelos, T (Tiaana) | | GE | 1303.5 | 1297.1 | GE vs GSV Inter Regional 2019 (U10 Girls) | 5 | 2019-10-26 | S | B | 0 | 0.37 | -0.37 | -6.1 | 0.36 | -0.36 | -7.2 |
| 1268.4 | 1257.8 | 20 | 20 | De Vasconcelos, T (Tiaana) | | GE | 1317.8 | 1307.9 | Ekurhuleni Trials (3) | 5 | 2019-06-08 | S | W | 1 | 0.48 | 0.52 | 8.6 | 0.48 | 0.52 | 10.4 |
| 1226 | 1202.4 | 20 | 20 | De Vasconcelos, T (Tiaana) | | GE | 1183.5 | 1176.1 | Ekurhuleni South School Chess 2019 (U9 Girls) | 3 | 2019-05-11 | S | B | 0 | 0.51 | -0.51 | -8.5 | 0.49 | -0.49 | -9.8 |
| 1091.2 | 1072 | 20 | 20 | De Vasconcelos, T (Tiaana) | | GE | 1261.1 | 1255.7 | Ekurhuleni Open 2018 (D) | 4 | 2018-08-18 | S | B | 0 | 0.26 | -0.26 | -4.3 | 0.24 | -0.24 | -4.8 |
| 1116.4 | 1103.2 | 20 | 20 | De Vasconcelos, T (Tiaana) | | GE | 1122.7 | 1120.8 | Witfield Open 2018 (D) | 1 | 2018-07-21 | S | W | 0 | 0.53 | -0.53 | -8.8 | 0.52 | -0.52 | -10.4 |
| 1116.4 | 1103.2 | 20 | 20 | De Vasconcelos, T (Tiaana) | | GE | 1122.7 | 1120.8 | Boksburg Chess Club Open 2018 (U10) | 1 | 2018-07-14 | S | W | 1 | 0.53 | 0.47 | 7.8 | 0.52 | 0.48 | 9.6 |