| 1256.7 | 1254.9 | 20 | 20 | Vermeulen, JB (Johannes Bernardus) | | NCP | 1274.4 | 1276.6 | Hopetown Chess Tournament 2026 (U12) | 3 | 2026-02-07 | S | B | 1 | 0.44 | 0.56 | 6.1 | 0.43 | 0.57 | 7.4 |
| 1175 | 1172.4 | 20 | 20 | Vermeulen, JB (Johannes Bernardus) | | NCP | 1265.8 | 1263 | Karpov Chess Club Open 2025 | 3 | 2025-03-15 | S | B | 0 | 0.35 | -0.35 | -5.8 | 0.35 | -0.35 | -7 |
| 1132 | 1131.3 | 20 | 20 | Vermeulen, JB (Johannes Bernardus) | | NCP | 1257.3 | 1252.1 | 2025 HSDA School Chess Tournament (U9+U11) | 4 | 2025-02-08 | S | B | 1 | 0.31 | 0.69 | 11.6 | 0.32 | 0.68 | 13.6 |
| 1172.1 | 1172.5 | 20 | 20 | Vermeulen, JB (Johannes Bernardus) | | NCP | 1244.8 | 1240.2 | 2024 Hopetown Schools Chess Tournament (U9+U11) | 3 | 2024-10-12 | S | W | 0 | 0.46 | -0.46 | -7.7 | 0.46 | -0.46 | -9.2 |
| 1155 | 1146.4 | 20 | 20 | Vermeulen, J (Johannes) | | NCF | 1158.6 | 1165.6 | Inter Regional Chess Championship 2023 (U10) | 3 | 2023-05-20 | S | B | 0 | 0.45 | -0.45 | -7.6 | 0.44 | -0.44 | -8.8 |
