| 1329.7 | 1320.8 | 20 | 20 | Steyn, A (Amelia) | | GTP | 1373.2 | 1365.5 | 2023 Lubowski Open Tournament (B) | 2 | 2023-06-24 | S | W | 0 | 0.49 | -0.49 | -9.2 | 0.49 | -0.49 | -9.8 |
| 1324.5 | 1307.8 | 20 | 20 | Steyn, A (Amelia) | | GTP | 1336.6 | 1323.9 | 2023 South African Junior Closed Chess Championships (U14 Girls) | 5 | 2023-04-02 | S | W | 0 | 0.53 | -0.53 | -10.6 | 0.52 | -0.52 | -10.4 |
| 1190.2 | 571.4 | 20 | 20 | Steyn, A (Amelia) | | GTP | 1264.3 | 554.2 | Gauteng North District Individual Chess Finals 2022 (U13 Girls) | 5 | 2022-06-11 | R | B | 0 | 0.37 | -0.37 | -4.4 | 0.48 | -0.48 | -9.6 |
| 1214.8 | 1199.2 | 20 | 20 | Steyn, A (Amelia) | | GTP | 1287.8 | 1263.1 | South African Junior Closed Chess Championships 2022 (U12 Girls) | 6 | 2022-03-30 | S | W | 0 | 0.46 | -0.46 | -9.2 | 0.47 | -0.47 | -9.4 |
| 1168 | 1143.2 | 20 | 20 | Steyn, A (Amelia) | | GTP | 1255.9 | 1217.8 | 2021 Etienne Lewis Closed Trials (U12 Girls) | 7 | 2021-09-26 | S | W | 0 | 0.44 | -0.44 | -8.3 | 0.45 | -0.45 | -9 |
| 1242.5 | 1222.8 | 20 | 20 | Steyn, A (Amelia) | | GTP | 1260.7 | 1219.2 | 2021 Lubowski Open Tournament (C) | 4 | 2021-05-02 | S | B | 0 | 0.44 | -0.44 | -8.3 | 0.46 | -0.46 | -9.2 |
| 1234 | 1209.5 | 20 | 20 | Steyn, A (Amelia) | | GTP | 1332.2 | 1304.2 | 2020 Constantiapark Open Chess Tournament (C) | 3 | 2020-02-08 | S | B | 1 | 0.34 | 0.66 | 11 | 0.35 | 0.65 | 13 |
| 1060.6 | 1044.4 | 20 | 20 | Steyn, A (Amelia) | | GTP | 1164 | 1154.5 | 2019 D1 School Individual Finals (U11 Girls) | 5 | 2019-04-13 | S | B | 1 | 0.34 | 0.66 | 11 | 0.33 | 0.67 | 13.4 |
| 1000.4 | 991.6 | 20 | 20 | Steyn, A (Amelia) | | GTP | 934.6 | 928.5 | 2018 Etienne Lewis Trials (U10 Girls) | 6 | 2018-09-02 | S | B | 1 | 0.53 | 0.47 | 9.4 | 0.53 | 0.47 | 9.4 |
| 624.2 | 624.1 | 20 | 20 | Steyn, A (Amelia) | | GTP | 694.4 | 709.4 | 2018 D4 Tshwane North Individual Chess Championships (U9 Girls) | 4 | 2018-03-10 | S | W | 1 | 0.46 | 0.54 | 9 | 0.44 | 0.56 | 11.2 |
| 500 | 500 | 20 | 20 | Steyn, A (Amelia) | | GTP | 500 | 500 | 2017 Tshwane Chess Etienne Lewis (U8 Girls) | 6 | 2017-09-02 | S | W | 0 | 0.5 | -0.5 | -10 | -0.5 | 0.5 | 10 |
