| 1367.3 | 1317.9 | 20 | 20 | Van Der Walt, T (Tristan) | | WOS | 1450.8 | 1425.7 | Overberg Schools - PS Closed 2025 (U13 Boys) | 3 | 2025-03-08 | S | W | 0 | 0.44 | -0.44 | -7.3 | 0.42 | -0.42 | -8.4 |
| 1336.6 | 1317.2 | 20 | 20 | Van Der Walt, T (Tristan) | | WOS | 1452.3 | 1359.5 | Overberg Schools - PS Trials (Region 1) 2025 (U13 Boys) | 6 | 2025-02-22 | R | B | 1 | 0.32 | 0.68 | 8.2 | 0.41 | 0.59 | 11.8 |
| 1200 | 1200 | 20 | 20 | Van Der Walt, T (Tristan) | | WOS | 1229.8 | 1166 | Overberg School Chess Closed Tournament 2023 (U11 Boys) | 1 | 2023-03-25 | S | W | 1 | 0.51 | 0.49 | 8.1 | 0.58 | 0.42 | 8.4 |
| 1200 | 1200 | 20 | 20 | Van Der Walt, T (Tristan) | | WOS | 1229.8 | 1278.8 | Overberg Primary School Trials (Region 2) | 1 | 2023-02-24 | R | W | 0 | 0.51 | -0.51 | -4.8 | 0.45 | -0.45 | -9 |
