| 1168.3 | 1157.1 | 20 | 20 | Van Der Westhuizen, S (Simeon) | | GE | 1239.9 | 1196.1 | Ekurhuleni Trial 4 2025 (E) | 3 | 2025-09-21 | S | B | 1 | 0.37 | 0.63 | 10.5 | 0.41 | 0.59 | 11.8 |
| 1211.8 | 1208.1 | 20 | 20 | Van Der Westhuizen, S (Simeon) | | GE | 1237.1 | 1209.9 | Ekurhuleni Trial 2 2025 (E) | 3 | 2025-06-21 | S | B | 1 | 0.43 | 0.57 | 9.5 | 0.46 | 0.54 | 10.8 |
| 1158.6 | 1184.9 | 20 | 20 | Van Der Westhuizen, S (Simeon) | | GE | 1231 | 1258.4 | Ekurhuleni North Chess Club Open Tournament 2024 (D) | 3 | 2024-03-02 | R | W | 0 | 0.46 | -0.46 | -5.5 | 0.46 | -0.46 | -9.2 |
| 1158.6 | 1184.9 | 20 | 20 | Van Der Westhuizen, S (Simeon) | | GE | 1231 | 1258.4 | Benoni Primary School Cluster Individuals 2024 (U11 Boys) | 5 | 2024-03-09 | R | B | 0 | 0.37 | -0.37 | -4.4 | 0.37 | -0.37 | -7.4 |
