| 1467 | 1467 | 32 | 32 | Van Zyl, FW (Frederick Willem) | | NCP | 1325.9 | 1324.1 | Inter Regional Chess Championship 2026 (Team U14) | 2 | 2026-05-22 | S | W | 1 | 0.71 | 0.29 | 7.9 | 0.71 | 0.29 | 9.3 |
| 1421.3 | 1418.1 | 36 | 32 | Van Zyl, FW (Frederick Willem) | | NCP | 1306.4 | 1302.2 | 2026 Northern Cape Open Chess Championship (C) | 5 | 2026-04-18 | S | B | 0.5 | 0.59 | -0.09 | -3.1 | 0.59 | -0.09 | -3 |
| 1333.6 | 1331 | 20 | 20 | Van Zyl, F (Frederick) | | NCP | 1287.4 | 1292.2 | De Aar Primary School 2025 (U12) | 2 | 2025-08-16 | S | W | 0 | 0.6 | -0.6 | -10.1 | 0.59 | -0.59 | -11.8 |
| 1298.1 | 1281.6 | 20 | 20 | Van Zyl, F (Frederick) | | NCP | 1222.7 | 1226.8 | Hopetown Schools Chess Tournament 2025 (U9+U11) | 5 | 2025-02-22 | S | B | 1 | 0.55 | 0.45 | 7.6 | 0.52 | 0.48 | 9.6 |
| 1298.1 | 1281.6 | 20 | 20 | Van Zyl, F (Frederick) | | NCP | 1222.7 | 1226.8 | 2025 HSDA School Chess Tournament (U9+U11) | 2 | 2025-02-08 | S | W | 1 | 0.63 | 0.37 | 6.2 | 0.61 | 0.39 | 7.8 |
| 1313.2 | 1312.9 | 20 | 20 | Van Zyl, F (Frederick) | | NCP | 1236.7 | 1243 | 2024 Hopetown Schools Chess Tournament (U9+U11) | 5 | 2024-10-12 | S | B | 1 | 0.55 | 0.45 | 7.6 | 0.54 | 0.46 | 9.2 |
| 1183.8 | 1184.4 | 20 | 20 | Van Zyl, F (Frederick) | | NCP | 1193.3 | 1193 | 2024 Pixley Ka Seme Chess Schools Open 2 (U11) | 2 | 2024-08-03 | S | B | 0 | 0.45 | -0.45 | -7.6 | 0.45 | -0.45 | -9 |
| 1167.8 | 1163.9 | 20 | 20 | Van Zyl, F (Frederick) | | NCJ | 1159.4 | 1159.8 | 2024 Frances Baard Schools Open (U11) | 4 | 2024-02-03 | S | W | 1 | 0.55 | 0.45 | 7.6 | 0.55 | 0.45 | 9 |
| 1186.6 | 1182.8 | 20 | 20 | Van Zyl, F (Frederick) | | NCJ | 1222.2 | 1226.4 | Hopetown Schools Chess Open Tournament 2023 (U11) | 2 | 2023-02-25 | S | B | 1 | 0.42 | 0.58 | 9.7 | 0.41 | 0.59 | 11.8 |
| 1200 | 1200 | 20 | 20 | Van Zyl, F (Frederick) | | NCJ | 1200 | 1200 | Pixley Chess Trials 2022 (U10) | 3 | 2022-09-03 | S | B | 0.5 | 0.46 | 0.04 | 0.7 | 0.46 | 0.04 | 0.8 |
