| 1345.1 | 1351.5 | 20 | 20 | Botha, J (Johannes Cornelis) | | NBR | 1520.4 | 1502.6 | Bojanala Circuit Championships 1 of 4 2025 (U16) | 2 | 2025-03-01 | S | W | 0 | 0.34 | -0.34 | -5.6 | 0.37 | -0.37 | -7.4 |
| 1280.2 | 1301 | 20 | 20 | Botha, J (Johannes Cornelis) | | NBR | 1351.5 | 1350.6 | Bojanala Closed Chess Championships Finals 2024 (U14) | 3 | 2024-02-10 | S | B | 0 | 0.38 | -0.38 | -7.6 | 0.4 | -0.4 | -8 |
| 1330.2 | 1332 | 20 | 20 | Botha, J (Johannes Cornelis) | | NBR | 1428.8 | 1418.1 | Olienpark - 2nd One for the Ages 2023 (U14) | 3 | 2023-05-13 | S | B | 0 | 0.34 | -0.34 | -5.6 | 0.36 | -0.36 | -7.2 |
| 1236.8 | 1242.5 | 20 | 20 | Botha, J (Johannes Cornelis) | | NBR | 1511.6 | 1510.3 | 2022 South African Junior Team Chess Championships (U12 Open) | 2 | 2022-12-04 | S | W | 0 | 0.22 | -0.22 | -4.4 | 0.23 | -0.23 | -4.6 |
| 1200 | 1200 | 20 | 20 | Botha, J (Johannes Cornelis) | | NBR | 1298.7 | 1299.3 | Bojanala SAJCC Trials 2022 (U12) | 3 | 2022-09-23 | S | B | 0 | 0.34 | -0.34 | -6.8 | 0.34 | -0.34 | -6.8 |
