| 1953.7 | 1952.5 | 20 | 20 | Van Zyl, C (Charlize) | WIM | ENM | 1927.8 | 1932.8 | South African Closed Chess Championship 2024 (Ladies) | 10 | 2024-04-01 | S | D | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1828 | 1825.4 | 20 | 20 | Van Zyl, C (Charlize) | WIM | ENM | 1839.9 | 1841 | 2023 Moja Chess Extravaganza (Ladies) | 4 | 2023-10-01 | S | B | 0.5 | 0.44 | 0.06 | 1.2 | 0.44 | 0.06 | 1.2 |
| 1889.3 | 1884.4 | 20 | 20 | Van Zyl, C (Charlize) | WIM | ENM | 1742 | 1745.6 | 2022 South African Closed Chess Championships (Women) | 2 | 2022-05-09 | S | W | 0.5 | 0.71 | -0.21 | -4.2 | 0.7 | -0.2 | -4 |
| 1869.2 | 1864.2 | 20 | 20 | Van Zyl, C (Charlize) | WIM | ENM | 1725.8 | 1728.2 | Western Cape Women`s Month Tournament 2021 (Championship) | 5 | 2021-08-08 | S | W | 0 | 0.71 | -0.71 | -13.3 | 0.7 | -0.7 | -14 |
| 1874.4 | 1873.6 | 20 | 20 | Van Zyl, C (Charlize) | WIM | ENM | 1719.3 | 1724 | 2019 South African Closed Chess Championships (Women A) | 7 | 2019-12-13 | S | B | 0 | 0.64 | -0.64 | -12.8 | 0.63 | -0.63 | -12.6 |
| 1942.3 | 1940.3 | 20 | 20 | Van Zyl, C (Charlize) | WIM | ENM | 1670.3 | 1669.1 | 2019 Boardwalk Pearson Open (Open) | 7 | 2019-03-30 | S | B | 0.5 | 0.77 | -0.27 | -5.1 | 0.77 | -0.27 | -5.4 |
| 1856 | 1856 | 20 | 20 | Van Zyl, C (Charlize) | WIM | ENM | 1654 | 1654 | 2017 South African Closed Chess Championships (Women) | 5 | 2017-12-13 | S | B | 0 | 0.76 | -0.76 | -15.2 | -0.76 | 0.76 | 15.2 |
| 1790 | 1790 | 20 | 20 | Van Zyl, C (Charlize) | WIM | ENM | 1642 | 1642 | 4Th Fide Invitational Closed Tournament 2015 | 2 | 2015-10-02 | S | B | 1 | 0.7 | 0.3 | 6 | 0.3 | 0.7 | 14 |
| 1622 | 1622 | 20 | 20 | Van Zyl, C (Charlize) | | ENM | 1693 | 1693 | South African Closed 2014 (Women A) | 4 | 2014-01-06 | S | W | 0.5 | 0.4 | 0.1 | 2 | 0.1 | 0.4 | 8 |
| 1525 | 1525 | 20 | 20 | Van Zyl, C (Charlize) | | ENM | 1549 | 1549 | Nmb 2Nd Trials U18 | 4 | 2013-03-16 | S | W | 0 | 0.47 | -0.47 | -7.8 | -0.47 | 0.47 | 9.4 |
| 1499 | 1499 | 20 | 20 | Van Zyl, C (Charlize) | | ENM | 1589 | 1589 | Nmb 1St Trials U18 | 6 | 2013-03-16 | S | B | 0.5 | 0.38 | 0.12 | 2 | 0.12 | 0.38 | 7.6 |
| 1452 | 1452 | 20 | 20 | Van Zyl, C (Charlize) | | EP | 1565 | 1565 | Nmb Jnr Closed U16 | 4 | 2012-07-13 | S | W | 0.5 | 0.43 | 0.07 | 1.4 | 0.07 | 0.43 | 8.6 |
| 1452 | 1452 | 20 | 20 | Van Zyl, C (Charlize) | | EP | 1571 | 1571 | Nmb Jnr Closed U16 | 4 | 2012-07-13 | S | W | 0.5 | 0.34 | 0.16 | 3.2 | 0.16 | 0.34 | 6.8 |
