| 1408.4 | 1397.1 | 20 | 20 | Nortje, D (Dell-Maree) | | WCT | 1536.5 | 1505.2 | Western Cape HS Individuals 2023 (U15 Girls) | 2 | 2023-04-01 | S | B | 1 | 0.31 | 0.69 | 11.5 | 0.33 | 0.67 | 13.4 |
| 1159.9 | 1252.1 | 20 | 20 | Nortje, D (Dell-Maree) | | WCT | 1294.6 | 1231.5 | Cape Winelands Schools Closed 2021 (U13 Girls) | 4 | 2021-09-24 | R | W | 0 | 0.38 | -0.38 | -4.6 | 0.57 | -0.57 | -11.4 |
| 1139.8 | 1144.1 | 20 | 20 | Nortje, D (Dell-Maree) | | WCT | 1262 | 1101.2 | Cape Winelands Schools Trials 1 2020 (U11 Girls) | 6 | 2020-02-08 | R | B | 0 | 0.32 | -0.32 | -3.8 | 0.51 | -0.51 | -10.2 |
| 1151.7 | 1022.1 | 20 | 20 | Nortje, D (Dell-Maree) | | WCT | 1218.2 | 1117.6 | Cape Winelands Schools Closed 2019 (U11 Girls) | 6 | 2019-03-17 | S | W | 0 | 0.46 | -0.46 | -7.6 | 0.43 | -0.43 | -8.6 |
| 1084.3 | 702.4 | 20 | 20 | Nortje, D (Dell-Maree) | | WCT | 1172.1 | 894 | CW Schools Open 2019 (U11 Girls) | 6 | 2019-02-02 | R | B | 0 | 0.36 | -0.36 | -4.3 | 0.24 | -0.24 | -4.8 |
| 926.4 | 702.8 | 20 | 20 | Nortje, D (Dell-Maree) | | WCT | 1010.9 | 936.4 | Western Cape Schools Individuals 2018 (U9 Girls) | 3 | 2018-05-19 | S | B | 1 | 0.36 | 0.64 | 10.6 | 0.19 | 0.81 | 16.2 |
| 600.8 | 560.4 | 20 | 20 | Nortje, D (Dell-Maree) | | WCT | 741.8 | 674.4 | Cape Winelands Schools Prestige 2018 (U9 Girls) | 4 | 2018-03-24 | S | W | 0 | 0.38 | -0.38 | -6.3 | 0.41 | -0.41 | -8.2 |
| 559 | 500 | 20 | 20 | Nortje, D (Dell-Maree) | | WCT | 674.4 | 674.4 | North Boland Trials 2018 (U9 Girls) | 5 | 2018-02-17 | R | W | 0 | 0.41 | -0.41 | -4.9 | 0.34 | -0.34 | -6.8 |
| 500 | 500 | 20 | 20 | Nortje, D (Dell-Maree) | | WB | 500 | 500 | North Boland 2017 (U9 Girls) | 4 | 2017-02-18 | R | B | 0 | 0.5 | -0.5 | -6 | -0.5 | 0.5 | 10 |
| 0 | 0 | 20 | 20 | Nortje, D (Dell-Maree) | | WB | 583 | 583 | 2016 Worcester Chess Club Open (U8 Mix) | 1 | 2016-09-10 | S | B | 0 | 0.05 | -0.05 | -0.8 | -0.05 | 0.05 | 1 |
