| 1305.7 | 1228.4 | 20 | 20 | Van Der Walt, T (Tristan) | | WOS | 1452.3 | 1359.5 | Overberg Schools - PS Trials (Region 1) 2025 (U13 Boys) | 3 | 2025-02-22 | R | W | 0 | 0.37 | -0.37 | -4.4 | 0.39 | -0.39 | -7.8 |
| 1194.7 | 1186.4 | 20 | 20 | Van Der Walt, T (Tristan) | | WOS | 1229.8 | 1166 | Overberg School Chess Closed Tournament 2023 (U11 Boys) | 4 | 2023-03-25 | S | B | 0 | 0.42 | -0.42 | -7 | 0.48 | -0.48 | -9.6 |
| 1194.7 | 1200 | 20 | 20 | Van Der Walt, T (Tristan) | | WOS | 1229.8 | 1278.8 | Overberg Primary School Trials (Region 2) | 2 | 2023-02-24 | R | B | 0 | 0.42 | -0.42 | -3.9 | 0.37 | -0.37 | -7.4 |
| 1200 | 1200 | 20 | 20 | Van Der Walt, T (Tristan) | | WOS | 1136.9 | 1117.6 | Overberg Primary Schools Closed 2022 (U9 Boys) | 5 | 2022-03-12 | S | W | 0 | 0.62 | -0.62 | -10.3 | 0.64 | -0.64 | -12.8 |
