| 1383.9 | 1388.9 | 20 | 20 | Combrink, C (Christopher) | | WCT | 1515.9 | 1482.8 | District South Schools Chess Individual Trials 2025 (U15 Open) | 1 | 2025-02-01 | S | W | 1 | 0.39 | 0.61 | 10.1 | 0.43 | 0.57 | 11.4 |
| 1386.7 | 1200 | 20 | 20 | Combrink, C (Christopher) | | WCT | 1489.4 | 1232.5 | Metro South Top Schools 2024 (U13) | 5 | 2024-07-28 | R | B | 0 | 0.34 | -0.34 | -4.1 | 0.42 | -0.42 | -8.4 |
| 1337.4 | 1348.2 | 20 | 20 | Combrink, C (Christopher) | | WCT | 1270.3 | 1254.7 | District South Schools Chess Individual Trials 2024 (U13 Boys) | 5 | 2024-02-03 | S | W | 0 | 0.62 | -0.62 | -10.3 | 0.65 | -0.65 | -13 |
| 1255 | 1265.7 | 20 | 20 | Combrink, C (Christopher) | | WCT | 1263.7 | 1264.1 | Cape Town Metro Schools Chess Closed Individuals 2023 (U13 Boys) | 1 | 2023-02-03 | S | W | 0 | 0.53 | -0.53 | -8.8 | 0.54 | -0.54 | -10.8 |
| 1266.4 | 1281.2 | 20 | 20 | Combrink, C (Christopher) | | WCT | 1206.7 | 1232.4 | District South Schools Chess Individual Trials 2023 (U13 Boys) | 6 | 2023-02-04 | S | B | 0 | 0.53 | -0.53 | -8.8 | 0.52 | -0.52 | -10.4 |