| 1495.7 | 1499.6 | 20 | 20 | Van Der Westhuizen, F (Frederik) | | NWP | 1550.4 | 1547.5 | DR Kenneth Kaunda Volkies 29 Jul 2023 (A) | 4 | 2023-07-29 | S | B | 0.5 | 0.39 | 0.11 | 1.8 | 0.4 | 0.1 | 2 |
| 1466 | 1464.3 | 20 | 20 | Van Der Westhuizen, F (Frederik) | | NWP | 1536.3 | 1528.3 | DR Kenneth Kaunda Curro 2023 (A+B) | 3 | 2023-04-22 | S | B | 0.5 | 0.38 | 0.12 | 2 | 0.38 | 0.12 | 2.4 |
| 1535 | 1544 | 20 | 20 | Van Der Westhuizen, F (Frederik) | | NWP | 1455.1 | 1473.8 | Bailie Park Potchefstroom 2022 (U18+Open) | 3 | 2022-06-04 | S | B | 0 | 0.55 | -0.55 | -9.1 | 0.54 | -0.54 | -10.8 |
| 1510.4 | 1514 | 20 | 20 | Van Der Westhuizen, F (Frederik) | | NWP | 1433.1 | 1460.4 | Schoonspruit Ope 2022 (A+B) | 5 | 2022-05-21 | S | W | 0.5 | 0.63 | -0.13 | -2.2 | 0.6 | -0.1 | -2 |
| 1523.9 | 1530.5 | 20 | 20 | Van Der Westhuizen, F (Frederik) | | NWP | 1412.6 | 1439.9 | Ferdinand Postma Potchefstroom 2022 (A) | 3 | 2022-04-09 | S | W | 0 | 0.67 | -0.67 | -11.1 | 0.65 | -0.65 | -13 |
| 1508.1 | 1511.7 | 20 | 20 | Van Der Westhuizen, F (Frederik) | | NWP | 1336.1 | 1350.6 | La Hoff Dr. KK Chess 2022 (A+B) | 4 | 2022-02-19 | S | B | 0 | 0.66 | -0.66 | -11 | 0.65 | -0.65 | -13 |
