| 1261.1 | 1261.1 | 36 | 36 | Willemse, B (Bernard) | | GWR | 1413.1 | 1410 | FIDE in the West 2026 (U12) | 5 | 2026-04-11 | S | B | 0 | 0.28 | -0.28 | -8.4 | 0.28 | -0.28 | -10.3 |
| 1188.9 | 1182.2 | 36 | 36 | Willemse, B (Bernard) | | GWR | 1460.7 | 1468.6 | West Rand Juniors 2026 (U12) | 5 | 2026-03-07 | S | B | 1 | 0.14 | 0.86 | 25.6 | 0.12 | 0.88 | 31.5 |
| 1193 | 1186.3 | 20 | 20 | Willemse, B (Bernard) | | GWR | 1448.2 | 1455.8 | West Rand Open 2026 (U12) | 1 | 2026-02-07 | S | W | 0 | 0.24 | -0.24 | -4 | 0.23 | -0.23 | -4.6 |
| 1216.3 | 1213.5 | 20 | 20 | Willemse, B (Bernard) | | GWR | 1390.2 | 1388.3 | West Rand Women's Day Open 2025 (U12) | 2 | 2025-08-09 | S | B | 0 | 0.26 | -0.26 | -4.3 | 0.25 | -0.25 | -5 |
| 1225 | 1223.4 | 20 | 20 | Willemse, B (Bernard) | | GWR | 1436.8 | 1436.5 | West Rand Open 2.0 2025 (U12) | 1 | 2025-06-07 | S | B | 0 | 0.21 | -0.21 | -3.5 | 0.21 | -0.21 | -4.2 |
| 1242.7 | 1246.4 | 20 | 20 | Willemse, B (Bernard) | | GWR | 1408.6 | 1400.2 | FIDE in The West 2025 (U12) | 2 | 2025-04-12 | S | W | 0 | 0.35 | -0.35 | -5.8 | 0.36 | -0.36 | -7.2 |
| 1211.1 | 1208.1 | 20 | 20 | Willemse, B (Bernard) | | GWR | 1439.3 | 1438 | West Rand Juniors 2025 (U12) | 4 | 2025-03-08 | S | W | 1 | 0.28 | 0.72 | 12 | 0.27 | 0.73 | 14.6 |
| 1255.2 | 1248.4 | 20 | 20 | Willemse, B (Bernard) | | GWR | 1447.9 | 1445.7 | 2024 West Rand Closed (U10) | 1 | 2024-10-12 | S | B | 0 | 0.23 | -0.23 | -3.8 | 0.23 | -0.23 | -4.6 |
| 1270.7 | 1268.6 | 20 | 20 | Willemse, B (Bernard) | | GWR | 1439.6 | 1437.4 | 2024 West Rand Trials (U10) | 3 | 2024-09-07 | S | W | 0 | 0.35 | -0.35 | -5.8 | 0.35 | -0.35 | -7 |
| 1236 | 1244.2 | 20 | 20 | Willemse, B (Bernard) | | GWR | 1430.1 | 1427.8 | 2024 West Rand Rappies Open (U10) | 1 | 2024-08-03 | S | W | 0 | 0.32 | -0.32 | -5.3 | 0.33 | -0.33 | -6.6 |
