| 1467.8 | 1466.4 | 20 | 20 | Van Den Bergh, M (Marilene) | | WCU | 1552.1 | 1544.6 | South African Junior Closed Chess Championships 2025 (U20 Girls) | 6 | 2025-04-03 | S | W | 0 | 0.44 | -0.44 | -8.8 | 0.45 | -0.45 | -9 |
| 1367.2 | 1403.8 | 20 | 20 | Van Den Bergh, M (Marilene) | | WCU | 1396.2 | 1332.7 | Western Cape HS Individuals 2023 (U19 Girls) | 6 | 2023-04-02 | S | B | 0.5 | 0.42 | 0.08 | 1.3 | 0.54 | -0.04 | -0.8 |
| 1374.2 | 1195.8 | 20 | 20 | Van Den Bergh, M (Marilene) | | WCU | 1152.5 | 1177.9 | Western Cape Schools 2021 (U18 Girls) | 4 | 2021-10-23 | R | B | 0 | 0.72 | -0.72 | -9.5 | 0.48 | -0.48 | -9.6 |
| 995 | 995 | 20 | 20 | Van Den Bergh, M (Marilene) | | LCP | 986 | 986 | South African Junior Team Championships 2016 (U12 G) | 3 | 2016-12-17 | S | W | 1 | 0.51 | 0.49 | 9.8 | 0.49 | 0.51 | 10.2 |
| 1095 | 1095 | 20 | 20 | Van Den Bergh, M (Marilene) | | LCP | 1060 | 1060 | Sa Junior Closed Chess Championship 2016 (U12 Girls) | 8 | 2016-03-24 | S | B | 0.5 | 0.55 | -0.05 | -1 | -0.05 | 0.55 | 11 |