| 1578.9 | 1576.9 | 20 | 20 | Van Der Walt, H (Henrico) | | GTP | 1407.1 | 1400.4 | 2025 Etienne Lewis Closed Chess Tournament (U16) | 7 | 2025-08-10 | S | W | 1 | 0.74 | 0.26 | 4.9 | 0.75 | 0.25 | 5 |
| 1422.2 | 1419.6 | 20 | 20 | Van Der Walt, H (Henrico) | | GTP | 1471.9 | 1469.6 | 2024 Tshwane Chess AHS Open Chess Tournament (D1) | 4 | 2024-02-24 | S | B | 0 | 0.4 | -0.4 | -6.6 | 0.4 | -0.4 | -8 |
| 1315.4 | 1322.1 | 20 | 20 | Van Der Walt, H (Henrico) | | GTP | 1250.3 | 1247.5 | 2023 Etienne Lewis Closed Tournament (U14) | 3 | 2023-08-26 | S | B | 1 | 0.53 | 0.47 | 8.8 | 0.55 | 0.45 | 9 |
| 1284.9 | 1287.5 | 20 | 20 | Van Der Walt, H (Henrico) | | GTP | 1240.8 | 1237.8 | 2023 Menlo Open Tournament (D) | 4 | 2023-07-22 | S | B | 1 | 0.51 | 0.49 | 8.1 | 0.52 | 0.48 | 9.6 |
