| 1579.7 | 1223.7 | 20 | 20 | Mhlongo, D (David) | | KED | 1542.9 | 1184.8 | iLembe Winter Games 2023 (Open) | 5 | 2023-06-10 | R | W | 1 | 0.58 | 0.42 | 5 | 0.59 | 0.41 | 8.2 |
| 1579.7 | 1223.7 | 20 | 20 | Mhlongo, D (David) | | KED | 1542.9 | 1184.8 | Dr Mhlanga Chess Club 2023 | 3 | 2023-06-03 | R | W | 1 | 0.58 | 0.42 | 4.5 | 0.59 | 0.41 | 8.2 |
| 1531.9 | 1529.5 | 20 | 20 | Mhlongo, D (David) | | KED | 1499.7 | 1494.3 | iLembe Spring Junior Chess Champs 2019 (Grade 8-12) | 4 | 2019-09-21 | S | W | 1 | 0.58 | 0.42 | 7 | 0.58 | 0.42 | 8.4 |
| 1475.6 | 1488.2 | 20 | 20 | Mhlongo, D (David) | | KED | 1445.7 | 1437.4 | Mama Luthuli Chess Tournament 2019 (High School) | 5 | 2019-08-30 | S | B | 0.5 | 0.49 | 0.01 | 0.2 | 0.52 | -0.02 | -0.4 |
| 1418 | 1418.4 | 20 | 20 | Mhlongo, D (David) | | KED | 1427 | 1446.4 | 2019 Ethekwini 3rd Youth Trials (U18+U20) | 5 | 2019-07-21 | S | B | 0.5 | 0.45 | 0.05 | 0.8 | 0.43 | 0.07 | 1.4 |
| 1418 | 1418.4 | 20 | 20 | Mhlongo, D (David) | | KED | 1427 | 1446.4 | iLembe Youth Trials 2019 (High School) | 3 | 2019-07-13 | S | B | 1 | 0.45 | 0.55 | 9.1 | 0.43 | 0.57 | 11.4 |
| 1411.1 | 1408.8 | 20 | 20 | Mhlongo, D (David) | | KED | 1343.6 | 1352.1 | KZN Schools Winter Games 2019 (U18 Boys) | 4 | 2019-06-15 | S | B | 0.5 | 0.54 | -0.04 | -0.7 | 0.52 | -0.02 | -0.4 |
| 1284 | 778 | 20 | 20 | Mhlongo, D (David) | | KED | 1263 | 990.4 | Umhlali Centenary Chess Rapid 2018 (High School) | 4 | 2018-05-19 | R | W | 1 | 0.57 | 0.43 | 5.2 | 0.29 | 0.71 | 14.2 |
| 1284 | 1289.7 | 20 | 20 | Mhlongo, D (David) | | KED | 1263 | 1268.3 | Mother Africa 2018 (High School) | 3 | 2018-05-05 | S | W | 0.5 | 0.57 | -0.07 | -1.2 | 0.57 | -0.07 | -1.4 |
| 778 | 778 | 20 | 20 | Mhlongo, D (David) | | KED | 1010.3 | 1014.4 | Umhlali Preparatory Individuals 2018 (High School) | 5 | 2018-03-17 | S | B | 0.5 | 0.19 | 0.31 | 5.1 | 0.18 | 0.32 | 6.4 |
| 500 | 500 | 20 | 20 | Mhlongo, D (David) | | KZN | 974 | 974 | 2017 Ilembe Youth Trials (U16+U18+U20) | 1 | 2017-05-20 | S | W | 1 | 0.05 | 0.95 | 15.8 | 0.95 | 0.05 | 1 |
