| 1643.9 | 1642.2 | 20 | 20 | Marner, B (Bryan Neil) | | WEG | 1569.5 | 1625.5 | George Trials 2 2026 (U13 Boys) | 5 | 2026-02-14 | S | B | 0.5 | 0.54 | -0.04 | -0.7 | 0.48 | 0.02 | 0.4 |
| 1654.9 | 1326.5 | 20 | 20 | Marner, B (Bryan Neil) | | WEG | 1613.7 | 1411.1 | HCPS Invitational Rapid Tournament 2025 (U13) | 1 | 2025-10-18 | R | B | 0 | 0.51 | -0.51 | -5.5 | 0.36 | -0.36 | -7.2 |
| 1631.1 | 1359.2 | 20 | 20 | Marner, B (Bryan Neil) | | WEG | 1543.2 | 1351.2 | Southern Knights Rapid 2025 (B) | 2 | 2025-05-03 | R | B | 0 | 0.56 | -0.56 | -5.3 | 0.47 | -0.47 | -9.4 |
| 1658.2 | 1658.6 | 20 | 20 | Marner, B (Bryan Neil) | | WEG | 1620.8 | 1662.2 | Eden Chess Trials 2 2025 (U14) | 5 | 2025-03-15 | S | B | 0.5 | 0.5 | 0 | 0 | 0.45 | 0.05 | 1 |
| 1667.3 | 1304.8 | 20 | 20 | Marner, B (Bryan Neil) | | WEG | 1597.1 | 1251.3 | Eden Gambit Chess Tournament 2024 (C) | 3 | 2024-11-02 | R | B | 1 | 0.54 | 0.46 | 5.5 | 0.52 | 0.48 | 9.6 |
| 1668.7 | 1666.1 | 20 | 20 | Marner, B (Bryan Neil) | | WEG | 1588.7 | 1583.2 | Western Cape Top Schools Championship 2024 (U11 Mixed) | 2 | 2024-08-30 | S | W | 1 | 0.63 | 0.37 | 6.1 | 0.64 | 0.36 | 7.2 |
| 1647.8 | 1638.1 | 20 | 20 | Marner, B (Bryan Neil) | | WEG | 1549.9 | 1568.2 | Eden Top Schools 2024 (U11 Open) | 2 | 2024-08-17 | S | W | 1 | 0.66 | 0.34 | 5.6 | 0.62 | 0.38 | 7.6 |
| 1656.9 | 1647.9 | 20 | 20 | Marner, B (Bryan Neil) | | WEG | 1495.4 | 1530.8 | George Primary Top Schools 2024 (U11) | 2 | 2024-07-20 | S | W | 0.5 | 0.73 | -0.23 | -3.8 | 0.68 | -0.18 | -3.6 |
| 1531.4 | 1502.4 | 20 | 20 | Marner, B (Bryan Neil) | | WEG | 1226.1 | 1225.9 | George Schools Trials 2 2024 (U11 Boys) | 2 | 2024-02-17 | S | B | 0 | 0.81 | -0.81 | -13.4 | 0.78 | -0.78 | -15.6 |
| 1531.4 | 1502.4 | 20 | 20 | Marner, B (Bryan Neil) | | WEG | 1226.1 | 1225.9 | George Schools Trials 1 2024 (U11 Boys) | 5 | 2024-02-03 | S | W | 1 | 0.9 | 0.1 | 1.7 | 0.86 | 0.14 | 2.8 |
