| 1467.5 | 1461.9 | 20 | 20 | Erasmus, A (Anneke) | | WCW | 1560.2 | 1513.6 | Western Cape Schools Individual Championship 2025 (U17 Girls) | 5 | 2025-04-27 | S | W | 0.5 | 0.43 | 0.07 | 1.2 | 0.48 | 0.02 | 0.4 |
| 1362.3 | 1331.4 | 20 | 20 | Erasmus, A (Anneke) | | WCW | 1471.2 | 1424.8 | Cape Winelands Schools 2022 (U13 Girls) | 4 | 2022-03-12 | S | B | 0 | 0.33 | -0.33 | -5.5 | 0.35 | -0.35 | -7 |
| 1360.1 | 1281.1 | 20 | 20 | Erasmus, A (Anneke) | | WCW | 1491.6 | 1416.4 | Worcester Schools Trials 2022 (U13 Girls) | 5 | 2022-02-19 | R | W | 0 | 0.39 | -0.39 | -4.7 | 0.38 | -0.38 | -7.6 |
| 1348.8 | 1226 | 20 | 20 | Erasmus, A (Anneke) | | WCW | 1528.8 | 1239.7 | Nelson Mandela Rapid 2020 (Primary School) | 3 | 2020-02-01 | R | B | 0 | 0.25 | -0.25 | -2.8 | 0.44 | -0.44 | -8.8 |
| 1348.8 | 1226 | 20 | 20 | Erasmus, A (Anneke) | | WCW | 1528.8 | 1239.7 | Cape Winelands Schools Trials 1 2020 (U11 Girls) | 5 | 2020-02-08 | R | B | 0.5 | 0.25 | 0.25 | 3 | 0.44 | 0.06 | 1.2 |
| 1314.8 | 1287.8 | 20 | 20 | Erasmus, A (Anneke) | | WCW | 1285.5 | 1291 | South African Schools Individuals Chess Championships 2019 (U11 Girls) | 6 | 2019-06-20 | S | B | 0 | 0.49 | -0.49 | -8.1 | 0.45 | -0.45 | -9 |
| 1152.1 | 1110.4 | 20 | 20 | Erasmus, A (Anneke) | | WCW | 1226.6 | 1238.8 | Cape Winelands Open 2019 (U12) | 4 | 2019-04-27 | S | W | 0.5 | 0.46 | 0.04 | 0.7 | 0.39 | 0.11 | 2.2 |
| 1137.1 | 1157.2 | 20 | 20 | Erasmus, A (Anneke) | | WCW | 1307.6 | 1287.2 | CW Schools Open 2019 (U11 Girls) | 3 | 2019-02-02 | R | B | 1 | 0.26 | 0.74 | 8.9 | 0.31 | 0.69 | 13.8 |
| 1191.1 | 1156 | 20 | 20 | Erasmus, A (Anneke) | | WCW | 1237.4 | 1207.7 | 2018 Wild Card Chess Championships (U10 Girls) | 4 | 2018-12-22 | S | B | 0 | 0.4 | -0.4 | -8 | 0.4 | -0.4 | -8 |
| 1199.3 | 1200 | 20 | 20 | Erasmus, A (Anneke) | | WCW | 1189 | 1200 | Cape Winelands Schools Prestige 2018 (U9 Girls) | 4 | 2018-03-24 | S | W | 0 | 0.55 | -0.55 | -9.1 | 0.54 | -0.54 | -10.8 |
