| 1513.9 | 1512 | 20 | 20 | Buthelezi, T (Thandolwethu) | | KUR | 1374.8 | 1359.8 | 2025 Kinng Cetshwayo Championship (U18) | 4 | 2025-03-01 | S | W | 1 | 0.7 | 0.3 | 5 | 0.72 | 0.28 | 5.6 |
| 1506.3 | 1503.6 | 20 | 20 | Buthelezi, T (Thandolwethu) | | KUR | 1360 | 1339.2 | 2025 King Cetshwayo Open (U18-Adult) | 2 | 2025-02-15 | S | B | 1 | 0.63 | 0.37 | 6.1 | 0.65 | 0.35 | 7 |
| 1273.8 | 1291.8 | 20 | 20 | Buthelezi, T (Thandolwethu) | | KUR | 1374.8 | 1399.7 | 2024 King Cetshwayo Winter Open (U16) | 1 | 2024-06-08 | S | W | 1 | 0.42 | 0.58 | 9.6 | 0.42 | 0.58 | 11.6 |
| 1198.5 | 1196.8 | 20 | 20 | Buthelezi, T (Thandolwethu) | | KUR | 1330 | 1351.5 | 2024 King Cesthwayo Chess Anniversary (U16) | 5 | 2024-04-21 | S | B | 0 | 0.31 | -0.31 | -5.1 | 0.28 | -0.28 | -5.6 |
