| 1448.3 | 1442 | 20 | 20 | Van Heerden, L (Llewellyn) | | GE | 1248.2 | 1247.8 | Ekurhuleni-North Schools Finals Indiv 2022 (U13 Boys) | 3 | 2022-05-13 | S | W | 1 | 0.77 | 0.23 | 3.8 | 0.77 | 0.23 | 4.6 |
| 1381.2 | 1365.8 | 20 | 20 | Van Heerden, L (Llewellyn) | | GE | 1241.8 | 1247.8 | Ekurhuleni Trials (3) | 1 | 2021-11-06 | S | W | 1 | 0.7 | 0.3 | 5 | 0.68 | 0.32 | 6.4 |
| 1408 | 1396.5 | 20 | 20 | Van Heerden, L (Llewellyn) | | GE | 1243.9 | 1252.8 | 2021 Gauteng Schools Chess Championships (U13 Boys) | 4 | 2021-10-16 | S | W | 1 | 0.73 | 0.27 | 4.5 | 0.71 | 0.29 | 5.8 |
| 1175.8 | 1150.9 | 20 | 20 | Van Heerden, L (Llewellyn) | | GE | 1180.2 | 1174.3 | Ekurhuleni Trials 1 2019 (U12) | 1 | 2019-03-09 | S | W | 1 | 0.54 | 0.46 | 7.6 | 0.51 | 0.49 | 9.8 |
| 1144.6 | 1132 | 20 | 20 | Van Heerden, L (Llewellyn) | | GE | 1200 | 1200 | Ekurhuleni North Schools Individuals 2018 | 4 | 2018-05-12 | S | B | 1 | 0.39 | 0.61 | 10.1 | 0.38 | 0.62 | 12.4 |
