| 1736.6 | 1736.6 | 28 | 28 | Barkhuizen, SJ (Simon Jurgens) | | GTP | 1580.2 | 1571.6 | South African Junior Closed Chess Championship 2026 (U12 Open) | 6 | 2026-03-31 | S | W | 1 | 0.72 | 0.28 | 7.7 | 0.73 | 0.27 | 7.5 |
| 1493.3 | 1506.2 | 20 | 20 | Barkhuizen, SJ (Simon Jurgens) | | GTP | 1370.5 | 1347.3 | South African Junior Closed Chess Championship 2024 (U10 Open) | 7 | 2024-04-30 | S | B | 1 | 0.6 | 0.4 | 8 | 0.64 | 0.36 | 7.2 |
| 1451.6 | 1457.6 | 20 | 20 | Barkhuizen, SJ (Simon Jurgens) | | GTP | 1405.1 | 1391.9 | 2024 Gauteng Inter-Region Chess Championship (U10A) | 1 | 2024-01-13 | S | W | 0 | 0.6 | -0.6 | -11.3 | 0.62 | -0.62 | -12.4 |
| 1411.1 | 1417.9 | 20 | 20 | Barkhuizen, SJ (Simon Jurgens) | | GTP | 1340.7 | 1336.4 | 2023 Gauteng Top Schools (U9 Mixed) | 3 | 2023-08-18 | S | B | 0 | 0.54 | -0.54 | -9 | 0.55 | -0.55 | -11 |
| 1057.8 | 1070.5 | 20 | 20 | Barkhuizen, SJ (Simon Jurgens) | | GTP | 1397.8 | 1414.5 | 2022 Gauteng Interregion (U8 Open+Girls) | 5 | 2022-02-26 | S | B | 1 | 0.06 | 0.94 | 15.6 | 0.06 | 0.94 | 18.8 |
