| 1287.2 | 1278.4 | 36 | 36 | Vermeulen, PV (Petrus van der Walt) | | NCP | 1585.5 | 1582.7 | Northern Cape Closed 2026 (U14 Open) | 3 | 2026-08-22 | S | B | 0 | 0.13 | -0.13 | -4.3 | 0.12 | -0.12 | -4.3 |
| 1336.3 | 1338.8 | 20 | 20 | Vermeulen, P (Petrus Van Der Walt) | | NCP | 1619.7 | 1627.8 | De Aar Open Chess Tournament 2026 (B) | 2 | 2026-01-31 | S | W | 0 | 0.21 | -0.21 | -3.5 | 0.21 | -0.21 | -4.2 |
| 1287.4 | 1292.2 | 20 | 20 | Vermeulen, P (Petrus Van Der Walt) | | NCP | 1544.9 | 1545.3 | Northern Cape Closed 202 (U12 Open) | 2 | 2025-08-22 | S | W | 0 | 0.24 | -0.24 | -4.5 | 0.25 | -0.25 | -5 |
| 1097.5 | 1090 | 20 | 20 | Vermeulen, P (Petrus Van Der Walt) | | NCP | 1565.4 | 1575.8 | 2024 Frances Baard Grand Prix 2.0 (B) | 4 | 2024-07-06 | S | B | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1200 | 1200 | 20 | 20 | Vermeulen, P (Petrus Van Der Walt) | | NCP | 1372.9 | 1369.9 | Pixley Chess Trials 2022 (U10) | 4 | 2022-09-03 | S | B | 0 | 0.26 | -0.26 | -4.4 | 0.26 | -0.26 | -5.2 |
