| 1131.3 | 1127 | 20 | 20 | Vermeulen, JB (Johannes Bernardus) | | NCP | 1274.4 | 1276.6 | De Aar Open Chess Tournament 2026 (A) | 4 | 2026-01-31 | S | B | 1 | 0.29 | 0.71 | 8.9 | 0.28 | 0.72 | 10.8 |
| 1131.3 | 1127 | 20 | 20 | Vermeulen, JB (Johannes Bernardus) | | NCP | 1274.4 | 1276.6 | Hopetown Chess Tournament 2026 (U12) | 5 | 2026-02-07 | S | W | 0 | 0.38 | -0.38 | -6.4 | 0.37 | -0.37 | -7.4 |
| 1159.9 | 1156.5 | 20 | 20 | Vermeulen, JB (Johannes Bernardus) | | NCP | 1287 | 1290.1 | De Aar Primary School 2025 (U8+U10) | 4 | 2025-08-16 | S | B | 0 | 0.31 | -0.31 | -5.2 | 0.3 | -0.3 | -6 |
| 1183.4 | 1179.6 | 20 | 20 | Vermeulen, JB (Johannes Bernardus) | | NCP | 1272 | 1268.2 | Womens Day Tournament 024 (B) | 2 | 2024-08-09 | S | B | 0 | 0.36 | -0.36 | -6 | 0.36 | -0.36 | -7.2 |
| 1183.1 | 1179.2 | 20 | 20 | Vermeulen, JB (Johannes Bernardus) | | NCP | 1262 | 1254.9 | 2024 HSDA Open 3 (U9) | 4 | 2024-07-27 | S | W | 0 | 0.45 | -0.45 | -7.6 | 0.45 | -0.45 | -9 |
| 1188.8 | 1187.8 | 20 | 20 | Vermeulen, J (Johannes) | | NCF | 1232.8 | 1229 | Hopetown Open Chess Tournament 2024 (U10) | 4 | 2024-02-10 | S | W | 0 | 0.49 | -0.49 | -8.2 | 0.49 | -0.49 | -9.8 |
| 1200 | 1200 | 20 | 20 | Vermeulen, J (Johannes) | | NCF | 1281.3 | 1281.2 | Hopetown Chess Open Tournament 2023 (U10+U12) | 1 | 2023-08-05 | S | W | 1 | 0.45 | 0.55 | 9.2 | 0.45 | 0.55 | 11 |
