| 1326.4 | 1303 | 20 | 20 | Van Heerden, H (Hannah Rose) | | WCW | 1473.6 | 1478.1 | Western Cape Top Schools 2023 (U13 Mixed) | 4 | 2023-09-02 | S | B | 0 | 0.29 | -0.29 | -4.8 | 0.25 | -0.25 | -5 |
| 1264.2 | 1242.3 | 20 | 20 | Van Heerden, H (Hannah Rose) | | WCW | 1428.5 | 1358.6 | Metro WP Schools Chess Trials 2022 (U13 Girls) | 3 | 2022-04-23 | S | W | 0.5 | 0.35 | 0.15 | 2.5 | 0.41 | 0.09 | 1.8 |
| 1271 | 1248.4 | 20 | 20 | Van Heerden, H (Hannah Rose) | | WCW | 1322.9 | 1311 | 2020 Metro Trials (U11 Girls) | 4 | 2020-03-14 | S | B | 1 | 0.4 | 0.6 | 10 | 0.39 | 0.61 | 12.2 |
| 1172.5 | 1176.7 | 20 | 20 | Van Heerden, H (Hannah Rose) | | WCW | 1383.3 | 1367.1 | South African Schools Individuals Chess Championships 2019 (U11 Girls) | 3 | 2019-06-19 | S | B | 0 | 0.21 | -0.21 | -3.5 | 0.24 | -0.24 | -4.8 |
| 1173.3 | 1191.5 | 20 | 20 | Van Heerden, H (Hannah Rose) | | WCW | 1319.1 | 1308.1 | Western Cape Schools Individuals 2019 (U9 Girls) | 3 | 2019-05-18 | S | W | 0 | 0.37 | -0.37 | -6.1 | 0.41 | -0.41 | -8.2 |
