| 1236.1 | 1183.7 | 20 | 20 | Botha, J (Johann Alexander) | | WCW | 1447.5 | 1172.2 | South African Open 2025 (Blitz) | 6 | 2025-07-02 | B | B | 0 | 0.21 | -0.21 | -0.8 | 0.47 | -0.47 | -9.4 |
| 1221.9 | 1257.8 | 20 | 20 | Botha, J (Johann Alexander) | | WCW | 1376.9 | 1316 | Cape Town Open Chess Festival 2025 (Junior Rapid) | 4 | 2025-03-21 | R | W | 0 | 0.36 | -0.36 | -3.4 | 0.47 | -0.47 | -9.4 |
| 1213.3 | 1259.5 | 20 | 20 | Botha, J (Johann Alexander) | | MNW | 1272 | 1327.9 | UCT Open Chess Championship 2024 (U10) | 6 | 2024-10-13 | R | D | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1187.1 | 1200 | 20 | 20 | Botha, J (Johann Alexander) | | MNW | 1175.8 | 1200 | 2nd Young Minds Classic 2024 (Junior) | 5 | 2024-08-10 | S | W | 0 | 0.55 | -0.55 | -9.1 | 0.54 | -0.54 | -10.8 |
