| 1503.6 | 1496.2 | 20 | 20 | Van Der Westhuizen, C (Courtney) | | WCU | 1248.8 | 1250.1 | Upper West Coast Top Schools 2025 (U17+U19) | 4 | 2025-06-14 | R | D | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1475.6 | 1454.7 | 20 | 20 | Van Der Westhuizen, C (Courtney) | | WCU | 1253.8 | 1186.2 | West Coast Schools Chess Prestige 2025 (U17 Girls) | 3 | 2025-03-08 | S | B | 1 | 0.72 | 0.28 | 4.6 | 0.77 | 0.23 | 4.6 |
| 1456.4 | 1469.5 | 20 | 20 | Van Der Westhuizen, C (Courtney) | | WCU | 1248 | 1250.4 | Upper West Coast Presrige 2025 (Senior Girls) | 5 | 2025-02-22 | R | W | 1 | 0.78 | 0.22 | 2.6 | 0.8 | 0.2 | 4 |
| 1509.5 | 1474.3 | 20 | 20 | Van Der Westhuizen, C (Courtney) | | WCU | 1251.8 | 1150.4 | Upper West Coast Top Schools Championship 2023 (High School) | 4 | 2023-06-10 | R | B | 1 | 0.76 | 0.24 | 2.9 | 0.84 | 0.16 | 3.2 |
| 1423.6 | 1387.3 | 20 | 20 | Van Der Westhuizen, C (Courtney) | | WCU | 1249.9 | 1132.4 | Bo-Weskus Skole Prestige 2023 (Hoërskool Dogters) | 2 | 2023-02-11 | R | B | 1 | 0.66 | 0.34 | 4.1 | 0.75 | 0.25 | 5 |
| 1301.4 | 1187.2 | 20 | 20 | Van Der Westhuizen, C (Courtney) | | WCU | 1195.5 | 875.2 | Upper West Coast 2021 (U13) | 7 | 2021-09-04 | R | B | 1 | 0.58 | 0.42 | 3.9 | 0.82 | 0.18 | 3.6 |
| 1177.9 | 1066.2 | 20 | 20 | Van Der Westhuizen, C (Courtney) | | WCU | 941.6 | 698 | Weskus Skole Prestige Skaak Kampioenskappe 2019 (O11 Dogters) | 2 | 2019-03-02 | S | W | 1 | 0.82 | 0.18 | 3 | 0.97 | 0.03 | 0.6 |
| 960.8 | 612.4 | 20 | 20 | Van Der Westhuizen, C (Courtney) | | WCU | 719.4 | 579.2 | Bo-Weskus Skole Skaak Prestige 2019 (O11 Dogters) | 6 | 2019-02-16 | R | B | 1 | 0.74 | 0.26 | 3.1 | 0.5 | 0.5 | 10 |
