| 1525.8 | 1525.6 | 20 | 20 | Kamffer, J (John-Andrew) | | GWR | 1365.3 | 1359.5 | West Rand Open 2026 (U12) | 2 | 2026-02-07 | S | W | 0 | 0.73 | -0.73 | -12.1 | 0.74 | -0.74 | -14.8 |
| 1547.9 | 1547.6 | 20 | 20 | Kamffer, J (John-Andrew) | | GWR | 1448.4 | 1456.1 | West Rand Closed 2025 (U12) | 2 | 2025-10-18 | S | W | 0 | 0.66 | -0.66 | -11 | 0.65 | -0.65 | -13 |
| 1553.2 | 1553.4 | 20 | 20 | Kamffer, J (John-Andrew) | | GWR | 1448.4 | 1446.6 | West Rand Trials 2025 (U12) | 2 | 2025-09-06 | S | W | 0 | 0.66 | -0.66 | -11 | 0.67 | -0.67 | -13.4 |
| 1545.3 | 1543.8 | 20 | 20 | Kamffer, J (John-Andrew) | | GWR | 1356.7 | 1354 | West Rand Women's Day Open 2025 (U12) | 3 | 2025-08-09 | S | B | 0 | 0.68 | -0.68 | -11.3 | 0.68 | -0.68 | -13.6 |
| 1393.1 | 1388.3 | 20 | 20 | Kamffer, J (John-Andrew) | | GWR | 1275.2 | 1267.8 | 2024 West Rand Trials (U10) | 5 | 2024-09-07 | S | B | 0 | 0.6 | -0.6 | -10 | 0.6 | -0.6 | -12 |
| 1406.9 | 1406.9 | 20 | 20 | Kamffer, J (John-Andrew) | | GWR | 1265.3 | 1254.8 | 2024 West Rand Rappies Open (U10) | 3 | 2024-08-03 | S | W | 1 | 0.71 | 0.29 | 4.8 | 0.72 | 0.28 | 5.6 |
| 1405.6 | 1404.3 | 20 | 20 | Kamffer, J (John-Andrew) | | GWR | 1210.1 | 1217.3 | FIDE in the West 2024 (U10) | 3 | 2024-06-08 | S | W | 0 | 0.77 | -0.77 | -12.8 | 0.76 | -0.76 | -15.2 |
| 1387.5 | 1381.2 | 20 | 20 | Kamffer, J (John-Andrew) | | GWR | 1176 | 1179.5 | 2024 West Rand Juniors (U10) | 1 | 2024-03-09 | S | W | 1 | 0.79 | 0.21 | 3.5 | 0.78 | 0.22 | 4.4 |
| 1357.8 | 1384.3 | 20 | 20 | Kamffer, J (John-Andrew) | | GWR | 1209.3 | 1211.9 | 2023 West Rand Trials (U10) | 4 | 2023-09-09 | S | W | 1 | 0.71 | 0.29 | 4.8 | 0.74 | 0.26 | 5.2 |
