| 1379 | 1419.1 | 36 | 32 | Van Der Westhuizen, L (Linli) | | WCW | 1519.1 | 1509.5 | 2026 WCSC PS Individual Championship (U13 Girls) | 4 | 2026-05-16 | S | B | 1 | 0.3 | 0.7 | 21.1 | 0.35 | 0.65 | 20.7 |
| 1377.2 | 1355 | 36 | 36 | Van Der Westhuizen, L (Linli) | | WCW | 1475.3 | 1469.9 | Cape Winelands Schools - Prestige 2026 (U13 Girls) | 5 | 2026-03-21 | S | B | 0 | 0.34 | -0.34 | -10.3 | 0.32 | -0.32 | -11.7 |
| 1283.8 | 1233.3 | 20 | 20 | Van Der Westhuizen, L (Linli) | | WCW | 1458.5 | 1453.9 | Marie Delport Memorial 2026 (U14 Girls) | 2 | 2026-01-31 | S | B | 1 | 0.25 | 0.75 | 6.8 | 0.2 | 0.8 | 8.8 |
| 1228.7 | 1204.2 | 20 | 20 | Van Der Westhuizen, L (Linli) | | WCW | 1559.4 | 1551.5 | Worcester Library - Holiday Oct 2025 | 1 | 2025-10-08 | S | B | 0 | 0.07 | -0.07 | -1.2 | 0.05 | -0.05 | -1 |
| 1228.7 | 1204.2 | 20 | 20 | Van Der Westhuizen, L (Linli) | | WCW | 1559.4 | 1551.5 | Worcester Chess Club 2025 | 1 | 2025-10-07 | S | W | 0 | 0.16 | -0.16 | -2.7 | 0.14 | -0.14 | -2.8 |
