| 1529.4 | 1515.7 | 20 | 20 | Terblanche, J (Johannes Du Toit ) | | WEG | 1652.3 | 1652.6 | George Trials 2 2026 (U19 Boys) | 2 | 2026-02-14 | S | B | 0 | 0.32 | -0.32 | -5.3 | 0.3 | -0.3 | -6 |
| 1529.4 | 1515.7 | 20 | 20 | Terblanche, J (Johannes Du Toit ) | | WEG | 1652.3 | 1652.6 | George Trials 1 2026 (U19 Boys) | 3 | 2026-01-31 | S | W | 0 | 0.4 | -0.4 | -6.6 | 0.38 | -0.38 | -7.6 |
| 1452.6 | 1448.8 | 20 | 20 | Du Toit Terblanche, J (Johannes) | | WEG | 1479.9 | 1491.7 | George Schools Chess Trials 3 2025 (U17 Boys) | 3 | 2025-03-01 | S | B | 0 | 0.43 | -0.43 | -7.1 | 0.41 | -0.41 | -8.2 |
| 1329.1 | 1319.7 | 20 | 20 | Du Toit Terblanche, J (Johannes) | | WEG | 1481.2 | 1480.1 | George HS Top Schools 2024 (U18) | 1 | 2024-07-13 | S | W | 0 | 0.36 | -0.36 | -6 | 0.36 | -0.36 | -7.2 |
