| 1406.5 | 1415 | 20 | 20 | Van Der Walt, H (Henrico) | | GTP | 1414 | 1398.5 | 2024 Tshwane North School District CLOSED Individual Champioships (U13 Boys) | 3 | 2024-05-11 | S | B | 0.5 | 0.45 | 0.05 | 0.8 | 0.48 | 0.02 | 0.4 |
| 1346.5 | 1332.8 | 20 | 20 | Van Der Walt, H (Henrico) | | GTP | 1472.4 | 1468.9 | 2024 Milos Ristic Open Chess Tournament (U14) | 4 | 2024-04-27 | S | W | 0 | 0.4 | -0.4 | -6.6 | 0.38 | -0.38 | -7.6 |
| 1276.7 | 1256.9 | 20 | 20 | Van Der Walt, H (Henrico) | | GTP | 1277.8 | 1275.5 | 2023 Alekhine Open Tournament (D) | 5 | 2023-09-09 | S | B | 1 | 0.46 | 0.54 | 10.2 | 0.44 | 0.56 | 11.2 |
| 1243.9 | 1236.7 | 20 | 20 | Van Der Walt, H (Henrico) | | GTP | 1234.9 | 1208.4 | Silver Lakes Open Chess Tournament (D) | 3 | 2023-04-15 | S | B | 1 | 0.47 | 0.53 | 8.8 | 0.49 | 0.51 | 10.2 |
