| 1287.7 | 1282.8 | 20 | 20 | Claassen, D (David Christian) | | NCP | 1174.5 | 1173 | De Aar Open Chess Tournament 2026 (C) | 5 | 2026-01-31 | S | B | 0 | 0.59 | -0.59 | -9.9 | 0.59 | -0.59 | -11.8 |
| 1287.7 | 1282.8 | 20 | 20 | Claassen, D (David Christian) | | NCP | 1174.5 | 1173 | Hopetown Chess Tournament 2026 (U16+U18) | 5 | 2026-02-07 | S | W | 0 | 0.67 | -0.67 | -11.3 | 0.67 | -0.67 | -13.4 |
| 1298.9 | 1297.9 | 20 | 20 | Claassen, D (David Christian) | | NCP | 1177.5 | 1179.5 | Hopetown Schools Open 2025 (U15) | 1 | 2025-08-01 | S | W | 1 | 0.68 | 0.32 | 5.3 | 0.68 | 0.32 | 6.4 |
| 1339.6 | 1337.1 | 20 | 20 | Claassen, D (David Christian) | | NCP | 1145.4 | 1139.9 | 2024 Hopetown Schools Chess Tournament (U13) | 2 | 2024-10-12 | S | W | 1 | 0.77 | 0.23 | 3.9 | 0.77 | 0.23 | 4.6 |
| 1189 | 1221.2 | 20 | 20 | Claassen, D (David Christian) | | NCP | 1200 | 1200 | Hopetown School Chess Open Tournament 2023 (U11+U13) | 5 | 2023-05-06 | S | B | 1 | 0.45 | 0.55 | 9.2 | 0.48 | 0.52 | 10.4 |
