| 1204.7 | 1262.8 | 20 | 20 | Van Der Merwe, S (Schalk Wolf) | | WCT | 1447.8 | 1525 | Cape Town Open 2023 (U10) | 6 | 2023-03-25 | R | B | 0 | 0.18 | -0.18 | -1.9 | 0.15 | -0.15 | -3 |
| 1246.2 | 1182.8 | 20 | 20 | Van Der Merwe, S (Schalk Wolf) | | WCT | 1262.9 | 1291.5 | Kraaifontein Rapid Open 2022 (U8) | 3 | 2022-12-16 | R | W | 0 | 0.52 | -0.52 | -6.2 | 0.42 | -0.42 | -8.4 |
| 1246.6 | 1264 | 20 | 20 | Van Der Merwe, S (Schalk Wolf) | | WCT | 1395.8 | 1404.8 | WP Closed 2022 (U8+U10) | 2 | 2022-06-16 | S | B | 0 | 0.28 | -0.28 | -4.9 | 0.29 | -0.29 | -5.8 |
| 1168.2 | 1182.4 | 20 | 20 | Van Der Merwe, S (Schalk Wolf) | | WCT | 1366.1 | 1368.4 | Western Cape Schools 2022 (U7 Boys) | 2 | 2022-05-28 | S | W | 1 | 0.31 | 0.69 | 11.7 | 0.33 | 0.67 | 13.4 |
| 1175.5 | 1200 | 20 | 20 | Van Der Merwe, S (Schalk Wolf) | | WCT | 1239.5 | 1235.6 | Metro WP Schools Chess Trials 2022 (U7+U9 Boys) | 4 | 2022-04-23 | S | B | 0 | 0.38 | -0.38 | -6.3 | 0.42 | -0.42 | -8.4 |
