| 1557.4 | 1552.8 | 20 | 20 | Mathebula, X (Xolani Cebo) | | NCF | 1812.4 | 1816.9 | Sol Plaatje University Open 2019 (A) | 5 | 2019-10-20 | S | W | 1 | 0.24 | 0.76 | 14.3 | 0.23 | 0.77 | 15.4 |
| 1561.5 | 1546.6 | 20 | 20 | Mathebula, X (Xolani Cebo) | | NCF | 1666.2 | 1665.7 | Limpopo Open Chess Championship 2018 (A) | 5 | 2018-11-18 | S | B | 0 | 0.34 | -0.34 | -5.8 | 0.32 | -0.32 | -6.4 |
| 1566 | 1549.1 | 20 | 20 | Mathebula, X (Xolani Cebo) | | NCF | 1569.8 | 1570.9 | Northern Cape Open 2018 (Prestige) | 4 | 2018-10-27 | S | W | 1 | 0.54 | 0.46 | 8.6 | 0.52 | 0.48 | 9.6 |
| 1560.3 | 1723 | 20 | 20 | Mathebula, X (Xolani Cebo) | | NCF | 1525.3 | 1057.4 | SPU Open Rapid Tournament 2018 | 6 | 2018-06-16 | R | B | 1 | 0.5 | 0.5 | 6 | 0.99 | 0.01 | 0.2 |
| 1627.6 | 1615.4 | 20 | 20 | Mathebula, X (Xolani Cebo) | | NCF | 1265.7 | 1288.4 | Kimberley Chess Club Open 2018 (A) | 4 | 2018-04-27 | S | W | 0 | 0.96 | -0.96 | -18 | 0.92 | -0.92 | -18.4 |
| 1723 | 1723 | 20 | 20 | Mathebula, X (Xolani Cebo) | | NCF | 1109.4 | 1109.4 | Kimberley Chess Club Open Tournament 2018 (A) | 1 | 2018-02-03 | S | W | 0.5 | 1 | -0.5 | -8.3 | 1 | -0.5 | -10 |
| 1723 | 1723 | 20 | 20 | Mathebula, X (Xolani Cebo) | | NCF | 1109.4 | 1109.4 | Jan Kempdorp Open 2018 | 3 | 2018-02-24 | S | B | 1 | 0.99 | 0.01 | 0.2 | 0.99 | 0.01 | 0.2 |
