| 1477.1 | 1474.8 | 20 | 20 | Graham, RD (Riyandre Dimitreo) | | NCF | 1732.4 | 1722.1 | Northern Cape Closed 202 (U18 Open) | 3 | 2025-08-23 | S | W | 0.5 | 0.24 | 0.26 | 4.9 | 0.25 | 0.25 | 5 |
| 1473.6 | 1470.4 | 20 | 20 | Graham, RD (Riyandre Dimitreo) | | NCF | 1678.6 | 1679.6 | Spartan Bishops Championships Elite 2025 (U18) | 3 | 2025-05-24 | S | B | 0 | 0.22 | -0.22 | -3.7 | 0.21 | -0.21 | -4.2 |
| 1447.7 | 1451.4 | 20 | 20 | Graham, RD (Riyandre Dimitreo) | | NCF | 1624.5 | 1631.4 | 2025 Frances Baard Closed Chess Championship (U18) | 4 | 2025-04-12 | S | B | 0 | 0.25 | -0.25 | -4.2 | 0.25 | -0.25 | -5 |
| 1427 | 1433.1 | 20 | 20 | Graham, R (Riyandre) | | NCJ | 1554 | 1558.1 | 2024 Frances Baard Schools Open (U17) | 4 | 2024-02-03 | S | W | 0 | 0.39 | -0.39 | -6.6 | 0.4 | -0.4 | -8 |
| 1400.2 | 1397.9 | 20 | 20 | Graham, R (Riyandre) | | NCJ | 1377.5 | 1382.7 | Frances Baard Schools Open III 2023 (U15) | 3 | 2023-08-05 | S | W | 0.5 | 0.57 | -0.07 | -1.2 | 0.56 | -0.06 | -1.2 |
| 1289 | 1307.4 | 20 | 20 | Graham, R (Riyandre) | | NCJ | 1285.2 | 1300.8 | KCC School Holiday Tournament 2023 (U16) | 2 | 2023-04-03 | S | B | 0 | 0.46 | -0.46 | -7.7 | 0.47 | -0.47 | -9.4 |
