| 1642.4 | 1633.3 | 20 | 20 | February, JN (Jesse Nikki) | WIM | ENM | 2065.8 | 2066.4 | Moja Chess Extravaganza 2025 (Ladies) | 4 | 2025-04-28 | S | W | 0 | 0.05 | -0.05 | -1 | 0.04 | -0.04 | -0.8 |
| 1599.8 | 1606.1 | 20 | 20 | February, JN (Jesse) | WIM | WCT | 1978.7 | 1979.8 | 2024 Moja Chess Extravaganza (Ladies) | 6 | 2024-09-27 | S | W | 0 | 0.1 | -0.1 | -2 | 0.11 | -0.11 | -2.2 |
| 1590.8 | 1604.5 | 20 | 20 | February, JN (Jesse) | WIM | WCT | 1953.7 | 1952.5 | South African Closed Chess Championship 2024 (Ladies) | 8 | 2024-03-31 | S | W | 0 | 0.12 | -0.12 | -2.4 | 0.14 | -0.14 | -2.8 |
| 1551.7 | 1560.9 | 20 | 20 | February, JN (Jesse) | WIM | WCT | 1856.2 | 1851.8 | CW Top Schools 2023 (Elite) | 6 | 2023-08-13 | S | W | 1 | 0.19 | 0.81 | 15.2 | 0.2 | 0.8 | 16 |
| 1563.8 | 1593.9 | 20 | 20 | February, JN (Jesse) | WIM | WCT | 1847.5 | 1845.1 | Western Cape Woman`s Championship 2022 (Elite) | 5 | 2022-09-04 | S | W | 0 | 0.21 | -0.21 | -3.9 | 0.25 | -0.25 | -5 |
| 1593.5 | 1590 | 20 | 20 | February, JN (Jesse) | WIM | WCT | 1889.3 | 1884.4 | 2022 South African Closed Chess Championships (Women) | 1 | 2022-05-08 | S | W | 0.5 | 0.2 | 0.3 | 6 | 0.2 | 0.3 | 6 |
| 1538.1 | 1534.2 | 20 | 20 | February, JN (Jesse) | WIM | WCT | 1874.4 | 1873.6 | 2019 South African Closed Chess Championships (Women A) | 10 | 2019-12-16 | S | B | 0 | 0.07 | -0.07 | -1.4 | 0.06 | -0.06 | -1.2 |
| 1482 | 1482 | 20 | 20 | February, Jn (Jesse) | WIM | WP | 1856 | 1856 | 2017 South African Closed Chess Championships (Women) | 10 | 2017-12-18 | S | W | 0 | 0.1 | -0.1 | -2 | -0.1 | 0.1 | 2 |
| 1615 | 1615 | 20 | 20 | February, Jn (Jesse) | | ENM | 1805 | 1805 | 2015 Ussa (Women) | 3 | 2015-04-24 | S | W | 0 | 0.25 | -0.25 | -5 | -0.25 | 0.25 | 5 |
| 1528 | 1528 | 20 | 20 | February, Jn (Jesse) | | ENM | 1696 | 1696 | South African Junior Closed 2014 U18 20 Girls | 7 | 2014-04-03 | S | B | 0 | 0.28 | -0.28 | -5.6 | -0.28 | 0.28 | 5.6 |
| 1584 | 1584 | 20 | 20 | February, Jn (Jesse) | | ENM | 1622 | 1622 | South African Closed 2014 (Women A) | 8 | 2014-01-10 | S | W | 0.5 | 0.45 | 0.05 | 1 | 0.05 | 0.45 | 9 |
