| 1709.9 | 1714.3 | 20 | 20 | Mazibuko, K (Khanya) | CM | GJM | 2020.2 | 2019.6 | Ekurhuleni Chess Kempton Park Open 2020 (A) | 4 | 2020-11-21 | S | B | 0 | 0.1 | -0.1 | -1.7 | 0.1 | -0.1 | -2 |
| 1662.7 | 1665.1 | 20 | 20 | Mazibuko, K (Khanya) | CM | GJM | 1939.1 | 1938.3 | 2019 D3 Team League (U19) | 3 | 2019-07-20 | S | W | 1 | 0.22 | 0.78 | 12.9 | 0.22 | 0.78 | 15.6 |
| 1645.9 | 1642.5 | 20 | 20 | Mazibuko, K (Khanya) | CM | GJM | 1957.3 | 1962 | 2019 D3 Individuals (U18 Boys) | 4 | 2019-04-13 | S | W | 0 | 0.18 | -0.18 | -3 | 0.17 | -0.17 | -3.4 |
| 1626.8 | 1620.7 | 20 | 20 | Mazibuko, K (Khanya) | CM | GJM | 1940.6 | 1943.5 | 2019 South African Junior Closed Chess Championship (U18 Open) | 9 | 2019-03-22 | S | W | 0 | 0.18 | -0.18 | -3.6 | 0.17 | -0.17 | -3.4 |
| 1560.9 | 1548.2 | 20 | 20 | Mazibuko, K (Khanya) | CM | GJM | 1951 | 1957.4 | South African Junior Team Championships 2018 (U18A) | 7 | 2018-12-20 | S | B | 0.5 | 0 | 0.5 | 10 | 0 | 0.5 | 10 |
| 1615.9 | 1622.4 | 20 | 20 | Mazibuko, K (Khanya) | CM | GJM | 1939.6 | 1945.6 | 2018 Centurion Chess Club Open (A) | 4 | 2018-09-29 | S | B | 0 | 0.08 | -0.08 | -1.3 | 0.08 | -0.08 | -1.6 |
| 1588.9 | 1594.9 | 20 | 20 | Mazibuko, K (Khanya) | CM | GJM | 1936.3 | 1943.7 | 2018 Alekhine Open (A) | 2 | 2018-08-09 | S | B | 0 | 0.05 | -0.05 | -0.9 | 0.05 | -0.05 | -1 |
| 1497.9 | 1497 | 20 | 20 | Mazibuko, K (Khanya) | CM | GJM | 1980.8 | 1985.2 | 2018 Gauteng Secondary Schools Individual Chess Championships (U18 Boys) | 4 | 2018-05-26 | S | B | 1 | 0 | 1 | 16.6 | 0 | 1 | 20 |
| 1558.6 | 1556.1 | 20 | 20 | Mazibuko, K (Khanya) | CM | GJM | 1977.1 | 1982.3 | 2018 D3 Tshwane North Individual Chess Championships (U17+U19 Boys) | 5 | 2018-03-10 | S | W | 0 | 0.05 | -0.05 | -0.8 | 0.05 | -0.05 | -1 |
| 1608 | 1608 | 20 | 20 | Mazibuko, K (Khanya) | CM | GTP | 1850 | 1850 | 2017 Jacaranda Open (A) | 4 | 2017-10-14 | S | B | 0.5 | 0.2 | 0.3 | 5 | 0.3 | 0.2 | 4 |
| 1451 | 1451 | 20 | 20 | Mazibuko, K (Khanya) | CM | GTP | 1817 | 1817 | Chessnuts Johannesburg Talent Chess Tournament 2017 (A) | 1 | 2017-06-30 | S | W | 0 | 0.1 | -0.1 | -1.7 | -0.1 | 0.1 | 2 |
| 1527 | 1527 | 20 | 20 | Mazibuko, K (Khanya) | CM | GTP | 1796 | 1796 | 2017 D3 Tshwane North Individual (U18 Boys) | 5 | 2017-05-13 | S | B | 0 | 0.17 | -0.17 | -2.8 | -0.17 | 0.17 | 3.4 |
| 1570 | 1570 | 20 | 20 | Mazibuko, K (Khanya) | | GJM | 1730 | 1730 | Johannesburg Metro Junior Closed 2016 (U16) | 2 | 2016-08-06 | S | B | 0.5 | 0.29 | 0.21 | 3.9 | 0.21 | 0.29 | 5.8 |
| 1485 | 1485 | 20 | 20 | Mazibuko, K (Khanya) | | GJM | 1698 | 1698 | Jnw Chess - Margon Open 2016 (A) | 4 | 2016-07-30 | S | W | 0 | 0.23 | -0.23 | -3.9 | -0.23 | 0.23 | 4.6 |
| 1485 | 1485 | 20 | 20 | Mazibuko, K (Khanya) | | GJM | 1698 | 1698 | Sa Provincial Team School Chess Championships 2016 (U15 Boys) | 3 | 2016-07-11 | S | W | 0 | 0.23 | -0.23 | -4.3 | -0.23 | 0.23 | 4.6 |
| 1528 | 1528 | 20 | 20 | Mazibuko, K (Khanya) | | GJM | 1585 | 1585 | Gauteng Chess League 2015 (First Division) | 6 | 2015-10-31 | S | W | 0.5 | 0.42 | 0.08 | 1.6 | 0.08 | 0.42 | 8.4 |
| 1577 | 1577 | 20 | 20 | Mazibuko, K (Khanya) | | GJM | 1606 | 1606 | Chessexcellence May Round Robin (A) | 3 | 2015-05-30 | S | B | 0.5 | 0.46 | 0.04 | 0.7 | 0.04 | 0.46 | 9.2 |
| 1314 | 1314 | 20 | 20 | Mazibuko, K (Khanya) | | GJM | 1157 | 1157 | Jhb South Bryanston Primary Tournament (B Section) | 1 | 2014-05-11 | S | B | 1 | 0.71 | 0.29 | 4.8 | 0.29 | 0.71 | 14.2 |
