| 1634.1 | 1656.2 | 20 | 20 | Du Plooy, J (Joshua) | | NCF | 1470.5 | 1469.9 | 2025 Frances Baard Schools Open IV (U17+U19) | 2 | 2025-04-17 | S | B | 1 | 0.65 | 0.35 | 5.9 | 0.68 | 0.32 | 6.4 |
| 1634.1 | 1656.2 | 20 | 20 | Du Plooy, J (Joshua) | | NCF | 1470.5 | 1469.9 | KCC School Holiday Open Tournament 2025 (Kings) | 3 | 2025-04-02 | S | B | 1 | 0.65 | 0.35 | 5.9 | 0.68 | 0.32 | 6.4 |
| 1481.8 | 1487.7 | 20 | 20 | Du Plooy, J (Joshua) | | NCF | 1407 | 1406.6 | 2025 Frances Baard Schools Chess Open 3.0 (U19) | 2 | 2025-03-01 | S | W | 1 | 0.63 | 0.37 | 6.2 | 0.64 | 0.36 | 7.2 |
| 1466.2 | 1456.6 | 20 | 20 | Du Plooy, J (Joshua) | | NCF | 1402.4 | 1402.2 | 2025 Frances Baard Schools Open 2.0 (U19) | 5 | 2025-02-15 | S | B | 1 | 0.53 | 0.47 | 7.9 | 0.52 | 0.48 | 9.6 |
| 1466.2 | 1456.6 | 20 | 20 | Du Plooy, J (Joshua) | | NCF | 1402.4 | 1402.2 | 2025 Frances Baard Schools Open (U17+U19) | 5 | 2025-02-01 | S | W | 1 | 0.62 | 0.38 | 6.4 | 0.61 | 0.39 | 7.8 |
| 1378.7 | 1375.5 | 20 | 20 | Du Plooy, J (Joshua) | | NCF | 1390.2 | 1375.9 | 2024 Hopetown Schools Chess Tournament (U15-U19) | 5 | 2024-10-12 | S | B | 0.5 | 0.44 | 0.06 | 1 | 0.46 | 0.04 | 0.8 |
| 1354 | 1352.6 | 20 | 20 | Du Plooy, J (Joshua) | | NCF | 1450.4 | 1445 | 2024 NC Closed Chess Championships (U18+U20) | 3 | 2024-08-24 | S | W | 0.5 | 0.43 | 0.07 | 1.3 | 0.43 | 0.07 | 1.4 |
| 1343.7 | 1341.4 | 20 | 20 | Du Plooy, J (Joshua) | | NCF | 1458.2 | 1451.4 | Frances Baard Grand Prix 1.0 2024 (U18+U20) | 5 | 2024-06-29 | S | B | 0.5 | 0.32 | 0.18 | 3 | 0.33 | 0.17 | 3.4 |
| 1241.3 | 1207.6 | 20 | 20 | Du Plooy, J (Joshua) | | NCF | 1458.2 | 1451.4 | 2024 Kimberley Chess Club School Holiday Tournament (Kings) | 4 | 2024-06-19 | S | B | 0.5 | 0.21 | 0.29 | 4.9 | 0.17 | 0.33 | 6.6 |
| 1319.5 | 1341.1 | 20 | 20 | Du Plooy, J (Joshua) | | NCF | 1411.6 | 1437 | 2024 FB Schools Open 4.0 (U17+U19) | 3 | 2024-04-13 | S | W | 1 | 0.43 | 0.57 | 9.6 | 0.43 | 0.57 | 11.4 |
| 1207.9 | 1209.7 | 20 | 20 | Du Plooy, J (Joshua) | | NCF | 1336.5 | 1339.2 | 2024 Frances Baard Schools Open II (U17) | 3 | 2024-02-17 | S | B | 0.5 | 0.31 | 0.19 | 3.2 | 0.31 | 0.19 | 3.8 |
| 1200 | 1200 | 20 | 20 | Du Plooy, J (Joshua) | | NCF | 1221.8 | 1227.2 | Frances Baard School Open II 2023 (U17) | 2 | 2023-03-18 | S | B | 0 | 0.43 | -0.43 | -7.2 | 0.43 | -0.43 | -8.6 |
