| 1184.1 | 1180.7 | 20 | 20 | Ndebele, AT (Akhumzi Thandolwenkosi) | | GTP | 1278.5 | 1273.6 | 2025 Silver Lakes Chess Club Open Chess Tournament (D) | 1 | 2025-05-03 | S | W | 0 | 0.43 | -0.43 | -7.1 | 0.43 | -0.43 | -8.6 |
| 1190.8 | 1185.5 | 20 | 20 | Ndebele, AT (Akhumzi Thandolwenkosi) | | GTP | 1274.6 | 1265.6 | AHS Open Chess Tournament 2025 (D) | 4 | 2025-03-01 | S | B | 0 | 0.36 | -0.36 | -6 | 0.37 | -0.37 | -7.4 |
| 1158.5 | 1157.5 | 20 | 20 | Ndebele, AT (Akhumzi Thandolwenkosi) | | GTP | 1283.2 | 1270.9 | Constantiapark Open 2025 (D) | 1 | 2025-02-15 | S | B | 0 | 0.31 | -0.31 | -5.1 | 0.33 | -0.33 | -6.6 |
| 1136.5 | 1126 | 20 | 20 | Ndebele, AT (Akhumzi Thandolwenkosi) | | GTP | 1231.3 | 1222.3 | 2023 Etienne Lewis Closed Tournament (U12) | 1 | 2023-08-25 | S | W | 0 | 0.43 | -0.43 | -8.1 | 0.43 | -0.43 | -8.6 |
| 1161.2 | 1154.4 | 20 | 20 | Ndebele, AT (Akhumzi Thandolwenkosi) | | GTP | 1196.3 | 1179.6 | 2022 Silver Lakes Chess Club Open Chess Tournament (D) | 1 | 2022-05-14 | S | B | 0 | 0.42 | -0.42 | -7 | 0.43 | -0.43 | -8.6 |
