| 1569.2 | 1567.5 | 20 | 20 | Slabbert, ZN (Zander Nicolaas) | | GTP | 1569.9 | 1558.5 | 2024 Tshwane Chess OPEN Registration Tournament (B) | 2 | 2024-01-27 | S | W | 0 | 0.54 | -0.54 | -9 | 0.55 | -0.55 | -11 |
| 1405.9 | 1384 | 20 | 20 | Slabbert, ZN (Zander Nicolaas) | | GTP | 1364 | 1384.5 | 2022 Menlo Open Tournament (B) | 5 | 2022-07-23 | S | B | 0 | 0.51 | -0.51 | -8.5 | 0.46 | -0.46 | -9.2 |
| 1301.6 | 1298.2 | 20 | 20 | Slabbert, ZN (Zander Nicolaas) | | GTP | 1329.8 | 1313.6 | 2019 Lubowski Open Tournament (C) | 2 | 2019-05-11 | S | W | 0 | 0.51 | -0.51 | -9.6 | 0.52 | -0.52 | -10.4 |
| 1257.6 | 1252.2 | 20 | 20 | Slabbert, ZN (Zander Nicolaas) | | GTP | 1527.8 | 1515.9 | 2019 Piet Robbertse (C) | 4 | 2019-02-03 | S | W | 0 | 0.23 | -0.23 | -4.6 | 0.23 | -0.23 | -4.6 |
| 1257.6 | 1252.2 | 20 | 20 | Slabbert, ZN (Zander Nicolaas) | | GTP | 1527.8 | 1515.9 | 2019 Constantia Park Open (C) | 2 | 2019-02-09 | S | W | 0.5 | 0.23 | 0.27 | 4.5 | 0.23 | 0.27 | 5.4 |
