| 1499.3 | 1504.9 | 20 | 20 | Vermeulen, P (Petrus Van Der Walt) | | NCP | 1619.7 | 1627.8 | Hopetown Chess Tournament 2026 (U14) | 3 | 2026-02-07 | S | W | 1 | 0.4 | 0.6 | 6.6 | 0.4 | 0.6 | 7.8 |
| 1369.1 | 1375.8 | 20 | 20 | Vermeulen, P (Petrus Van Der Walt) | | NCP | 1544.9 | 1545.3 | De Aar Primary School 2025 (U14) | 3 | 2025-08-16 | S | B | 1 | 0.25 | 0.75 | 12.6 | 0.26 | 0.74 | 14.8 |
| 1369.1 | 1375.8 | 20 | 20 | Vermeulen, P (Petrus Van Der Walt) | | NCP | 1544.9 | 1545.3 | Hopetown Schools Open 2025 (U13) | 3 | 2025-08-01 | S | B | 0 | 0.25 | -0.25 | -4.1 | 0.26 | -0.26 | -5.2 |
| 1215.6 | 1219.1 | 20 | 20 | Vermeulen, P (Petrus Van Der Walt) | | NCP | 1537.3 | 1537 | 2025 HSDA School Chess Tournament (U13) | 3 | 2025-02-08 | S | W | 0 | 0.17 | -0.17 | -2.9 | 0.17 | -0.17 | -3.4 |
| 1200 | 1200 | 20 | 20 | Vermeulen, P (Petrus Van Der Walt) | | NCP | 1565.4 | 1575.8 | 2024 HSDA Open 3 (U13) | 4 | 2024-07-27 | S | W | 0 | 0.12 | -0.12 | -2 | 0.1 | -0.1 | -2 |
