| 1613.7 | 1615.8 | 20 | 20 | Muller, C (Christiaan) | | WOS | 1444.3 | 1413.1 | Western Cape Schools - Top Schools 2025 (U17) | 5 | 2025-09-07 | S | B | 0 | 0.66 | -0.66 | -11 | 0.69 | -0.69 | -13.8 |
| 1599.5 | 1579.9 | 20 | 20 | Muller, C (Christiaan) | | WOS | 1449 | 1421.9 | Overberg High Schools Trails 2024 (U15 Boys) | 3 | 2024-03-02 | S | W | 1 | 0.72 | 0.28 | 4.6 | 0.73 | 0.27 | 5.4 |
| 1591.7 | 1576.6 | 20 | 20 | Muller, C (Christiaan) | | WOS | 1450.6 | 1412.5 | Overberg High School Closed 2023 (U15 Boys) | 4 | 2023-03-25 | S | B | 1 | 0.62 | 0.38 | 6.3 | 0.65 | 0.35 | 7 |
| 1571.9 | 1358 | 20 | 20 | Muller, C (Christiaan) | | WOS | 1408.6 | 1083.8 | The Hermanus Open 2022 (U14) | 4 | 2022-05-14 | R | B | 1 | 0.65 | 0.35 | 2 | 0.78 | 0.22 | 4.4 |
| 1545.9 | 1523.5 | 20 | 20 | Muller, C (Christiaan) | | WOS | 1371.5 | 1391.1 | Overberg Primary Schools Closed 2022 (U13 Boys) | 3 | 2022-03-12 | S | W | 1 | 0.74 | 0.26 | 4.3 | 0.7 | 0.3 | 6 |
| 1516.2 | 1535.9 | 20 | 20 | Muller, C (Christiaan) | | WOS | 1375.8 | 1397.9 | OCF Roadshow 2020 (Juniors) | 4 | 2020-11-21 | S | B | 1 | 0.62 | 0.38 | 6.3 | 0.62 | 0.38 | 7.6 |
| 1440.5 | 1443.5 | 20 | 20 | Muller, C (Christiaan) | | WOS | 1352.8 | 1407.1 | Overberg Closed 2020 (U11 Boys) | 5 | 2020-03-15 | S | B | 1 | 0.56 | 0.44 | 7.3 | 0.5 | 0.5 | 10 |
| 1433.1 | 1433.9 | 20 | 20 | Muller, C (Christiaan) | | WOS | 1282.6 | 1285.2 | OCF Chess Tournament 2 2020 (U12) | 4 | 2020-02-01 | S | B | 0 | 0.63 | -0.63 | -10.5 | 0.63 | -0.63 | -12.6 |
| 1403.3 | 1389.8 | 20 | 20 | Muller, C (Christiaan) | | WOS | 1250 | 1215 | Bontebok 2019 (U12) | 5 | 2019-08-17 | S | B | 1 | 0.64 | 0.36 | 6 | 0.66 | 0.34 | 6.8 |
| 1389.4 | 1322.6 | 20 | 20 | Muller, C (Christiaan) | | WOS | 1289.8 | 1228.6 | Spring Open 2018 (U8+U10) | 5 | 2018-09-01 | S | B | 1 | 0.57 | 0.43 | 7.1 | 0.57 | 0.43 | 8.6 |
| 1145.4 | 1160.9 | 20 | 20 | Muller, C (Christiaan) | | WOS | 1237.4 | 994.6 | Caledon Casino Open 2018 (U10) | 2 | 2018-08-04 | S | W | 1 | 0.43 | 0.57 | 9.5 | 0.74 | 0.26 | 5.2 |
| 886.1 | 910.4 | 20 | 20 | Muller, C (Christiaan) | | WOS | 794.7 | 842.6 | Overberg 2nd Trial 2018 (U10) | 4 | 2018-05-05 | S | W | 1 | 0.65 | 0.35 | 5.8 | 0.62 | 0.38 | 7.6 |
| 886.1 | 910.4 | 20 | 20 | Muller, C (Christiaan) | | WOS | 794.7 | 842.6 | Western Cape Schools Individuals 2018 (U9 Boys) | 5 | 2018-05-20 | S | D | 1 | 0 | 0 | 0 | 0 | 0 | 0 |
| 776 | 776 | 20 | 20 | Muller, C (Christiaan) | | WOS | 577 | 577 | Ocf Open Bredasdorp 2017 | 1 | 2017-09-02 | S | W | 1 | 0.76 | 0.24 | 4 | 0.24 | 0.76 | 15.2 |
