| 1463.3 | 1481.9 | 32 | 32 | Cornforth, J (Joshua) | | WEG | 1385.3 | 1386.3 | George Trials 3 2026 (U9 Boys) | 3 | 2026-02-28 | S | W | 1 | 0.63 | 0.37 | 9.8 | 0.65 | 0.35 | 11.1 |
| 1430 | 1448.7 | 20 | 20 | Cornforth, J (Joshua) | | WEG | 1307 | 1310.2 | George Trials 1 2026 (U9 Boys) | 5 | 2026-01-31 | S | B | 1 | 0.6 | 0.4 | 3.9 | 0.62 | 0.38 | 4.4 |
| 1268.2 | 1268.6 | 20 | 20 | Cornforth, J (Joshua) | | WEG | 1198.6 | 1201.7 | George Schools Chess Trials 1 2025 (U9 Boys) | 5 | 2025-02-01 | S | W | 1 | 0.62 | 0.38 | 6.3 | 0.62 | 0.38 | 7.6 |
| 1342 | 1342.4 | 20 | 20 | Cornforth, J (Joshua) | | WEG | 1253.3 | 1266.5 | Mzansi Interprovincial Youth Chess Championships 2024 (U8 Open Championship) | 5 | 2024-12-18 | S | B | 1 | 0.56 | 0.44 | 8.8 | 0.55 | 0.45 | 9 |
| 1338.7 | 1328.7 | 20 | 20 | Cornforth, J (Joshua) | | WEG | 1131.2 | 1120 | Eden Chess Trials 2 2024 (U8) | 3 | 2024-04-13 | S | B | 0 | 0.7 | -0.7 | -11.6 | 0.7 | -0.7 | -14 |
| 1200 | 1197.5 | 20 | 20 | Cornforth, J (Joshua) | | WEG | 1134.8 | 1122.2 | Eden School Chess Trials 1 2024 (U7 Boys) | 1 | 2024-03-09 | S | B | 1 | 0.53 | 0.47 | 7.8 | 0.55 | 0.45 | 9 |
| 1048 | 1030 | 20 | 20 | Cornforth, J (Joshua) | | WEG | 1163.2 | 1154.6 | George Schools Trials 2 2024 (U7 Boys) | 4 | 2024-02-17 | S | W | 1 | 0.41 | 0.59 | 9.8 | 0.4 | 0.6 | 12 |
| 1048 | 1030 | 20 | 20 | Cornforth, J (Joshua) | | WEG | 1163.2 | 1154.6 | George Schools Trials 1 2024 (U7 Boys) | 3 | 2024-02-03 | S | B | 1 | 0.32 | 0.68 | 11.3 | 0.31 | 0.69 | 13.8 |
| 1161.5 | 1153.2 | 20 | 20 | Cornforth, J (Joshua) | | WEG | 1200 | 1200 | George Chess Club Winter Open 2023 (D) | 4 | 2023-05-20 | S | W | 1 | 0.5 | 0.5 | 8.3 | 0.49 | 0.51 | 10.2 |
