| 1594.5 | 1580.6 | 20 | 20 | Van Der Schyff, C (Charlize) | | GJM | 1371.6 | 1358.3 | Ekurhuleni North School District Finals 2025 (U13 Girls) | 5 | 2025-06-14 | S | W | 1 | 0.8 | 0.2 | 3.3 | 0.8 | 0.2 | 4 |
| 1441.8 | 1448.4 | 20 | 20 | Van Der Schyff, C (Charlize) | | GE | 1343.1 | 1338.1 | 2023 South African Junior Closed Chess Championships (U12 Girls) | 5 | 2023-04-02 | S | W | 0.5 | 0.66 | -0.16 | -3.2 | 0.67 | -0.17 | -3.4 |
| 1326.9 | 1315.7 | 20 | 20 | Van Der Schyff, C (Charlize) | | GE | 1280.9 | 1274.3 | Ekurhuleni Trials 2 2022 (U12) | 2 | 2022-05-28 | S | B | 0 | 0.51 | -0.51 | -8.6 | 0.51 | -0.51 | -10.2 |
| 1394.3 | 1380.5 | 20 | 20 | Van Der Schyff, C (Charlize) | | GE | 1248.9 | 1255.8 | South African Junior Closed Chess Championships 2022 (U10 Girls) | 8 | 2022-03-31 | S | W | 1 | 0.71 | 0.29 | 5.8 | 0.69 | 0.31 | 6.2 |
| 1251.7 | 1255 | 20 | 20 | Van Der Schyff, C (Charlize) | | GE | 1205.6 | 1204 | ACB Premier 2022 (Primary School) | 3 | 2022-03-19 | S | W | 1 | 0.6 | 0.4 | 6.6 | 0.6 | 0.4 | 8 |
