| 1524.9 | 1433.2 | 20 | 20 | De Villiers, C (Christiaan) | | WCT | 1548 | 1503.1 | Helderberg Chess Club Open 2026 (U13 Boys) | 5 | 2026-01-17 | S | B | 0 | 0.43 | -0.43 | -7.1 | 0.38 | -0.38 | -7.6 |
| 1429.9 | 1433.5 | 20 | 20 | De Villiers, C (Christiaan) | | WCT | 1574 | 1493.7 | Six Gun Grill Summer Sport Festival Chess Championships 2025 (Individual U13 Boys) | 3 | 2025-12-09 | R | W | 0 | 0.37 | -0.37 | -4 | 0.47 | -0.47 | -9.4 |
| 1423.2 | 1200 | 20 | 20 | De Villiers, C (Christiaan) | | WCT | 1576.8 | 1200 | Hermanus Chess Club November Blitz 2025 (Junior) | 3 | 2025-11-29 | B | W | 1 | 0.36 | 0.64 | 3.2 | 0.54 | 0.46 | 9.2 |
| 1342.8 | 1365.5 | 20 | 20 | De Villiers, C (Christiaan) | | WCT | 1472.3 | 1481.1 | Cape of Good Hope Open 2025 (U12) | 5 | 2025-02-22 | R | B | 0 | 0.31 | -0.31 | -3.3 | 0.32 | -0.32 | -6.4 |
| 1228.7 | 1264.4 | 20 | 20 | De Villiers, C (Christiaan) | | WCT | 1351 | 1490.6 | Steinitz Open 2023 (U12) | 3 | 2023-05-27 | R | W | 1 | 0.4 | 0.6 | 5.6 | 0.28 | 0.72 | 14.4 |
| 1178 | 1158 | 20 | 20 | De Villiers, C (Christiaan) | | WCT | 1236.5 | 1314.8 | Courtrai Midas Rapid 2023 (U10) | 4 | 2023-03-04 | R | B | 0 | 0.39 | -0.39 | -2.7 | 0.28 | -0.28 | -5.6 |
