| 1287.4 | 1292.2 | 20 | 20 | De Noon, SJ (Stian Johanco) | | NCP | 1333.6 | 1331 | De Aar Primary School 2025 (U12) | 2 | 2025-08-16 | S | B | 1 | 0.4 | 0.6 | 10.1 | 0.41 | 0.59 | 11.8 |
| 1222.7 | 1226.8 | 20 | 20 | De Noon, SJ (Stian Johanco) | | NCP | 1298.1 | 1281.6 | Hopetown Schools Chess Tournament 2025 (U9+U11) | 5 | 2025-02-22 | S | W | 0 | 0.45 | -0.45 | -7.6 | 0.48 | -0.48 | -9.6 |
| 1222.7 | 1226.8 | 20 | 20 | De Noon, S (Stian Johanco) | | NCP | 1298.1 | 1281.6 | 2025 HSDA School Chess Tournament (U9+U11) | 2 | 2025-02-08 | S | B | 0 | 0.37 | -0.37 | -6.2 | 0.39 | -0.39 | -7.8 |
| 1236.7 | 1243 | 20 | 20 | De Noon, S (Stian Johanco) | | NCP | 1313.2 | 1312.9 | 2024 Hopetown Schools Chess Tournament (U9+U11) | 5 | 2024-10-12 | S | W | 0 | 0.45 | -0.45 | -7.6 | 0.46 | -0.46 | -9.2 |
| 1193.3 | 1193 | 20 | 20 | De Noon, S (Stian Johanco) | | NCJ | 1183.8 | 1184.4 | 2024 Pixley Ka Seme Chess Schools Open 2 (U11) | 2 | 2024-08-03 | S | W | 1 | 0.55 | 0.45 | 7.6 | 0.55 | 0.45 | 9 |
| 1159.4 | 1159.8 | 20 | 20 | De Noon, S (Stian Johanco) | | NCJ | 1167.8 | 1163.9 | 2024 Frances Baard Schools Open (U11) | 4 | 2024-02-03 | S | B | 0 | 0.45 | -0.45 | -7.6 | 0.45 | -0.45 | -9 |
| 1222.2 | 1226.4 | 20 | 20 | De Noon, S (Stian Johanco) | | NCJ | 1186.6 | 1182.8 | Hopetown Schools Chess Open Tournament 2023 (U11) | 2 | 2023-02-25 | S | W | 0 | 0.58 | -0.58 | -9.7 | 0.59 | -0.59 | -11.8 |
| 1200 | 1200 | 20 | 20 | De Noon, S (Stian Johanco) | | NCJ | 1200 | 1200 | Pixley Chess Trials 2022 (U10) | 3 | 2022-09-03 | S | W | 0.5 | 0.54 | -0.04 | -0.7 | 0.54 | -0.04 | -0.8 |
