| 1544.9 | 1480.1 | 32 | 32 | Bester, J (Juandre) | | WCU | 1295 | 1227 | Pedro Booyse Top Schools 2026 (U15 Open) | 2 | 2026-07-25 | S | B | 1 | 0.65 | 0.35 | 5.1 | 0.63 | 0.37 | 6.6 |
| 1544.9 | 1480.1 | 32 | 32 | Bester, J (Juandre) | | WCU | 1295 | 1227 | Pedro Booyse Top Schools 2026 (U15 Open) | 5 | 2026-07-25 | S | W | 1 | 0.73 | 0.27 | 3.9 | 0.71 | 0.29 | 5.1 |
| 1499.5 | 1511.7 | 32 | 32 | Bester, J (Juandre) | | WCU | 1336.1 | 1337 | Bo-Weskus Skole Skaak Top Skole Kampionskappe 2026 (O15) | 4 | 2026-05-30 | R | B | 1 | 0.65 | 0.35 | 4.6 | 0.66 | 0.34 | 7.4 |
| 1395.5 | 1369.9 | 20 | 20 | Bester, J (Juandre) | | WCU | 1294.7 | 1236 | Pedro Booyse Top Schools 2022 (U11 Open) | 3 | 2022-07-23 | S | W | 1 | 0.66 | 0.34 | 5.6 | 0.7 | 0.3 | 6 |
| 1395.5 | 1369.9 | 20 | 20 | Bester, J (Juandre) | | WCU | 1294.7 | 1236 | Pedro Booyse Top Schools 2022 (U11 Open) | 6 | 2022-07-23 | S | B | 1 | 0.58 | 0.42 | 7 | 0.61 | 0.39 | 7.8 |
| 1425.1 | 1513.6 | 20 | 20 | Bester, J (Juandre) | | WCU | 1291 | 1327.2 | Bo-Weskus Top Skole 2022 (O11) | 3 | 2022-06-11 | R | B | 1 | 0.61 | 0.39 | 4.7 | 0.68 | 0.32 | 6.4 |
| 1463.7 | 1521.9 | 20 | 20 | Bester, J (Juandre) | | WCU | 1242.4 | 1289 | West Coast Schools Chess Prestige Leg 1 2022 (U11 Boys) | 4 | 2022-04-09 | R | B | 0 | 0.72 | -0.72 | -8.6 | 0.73 | -0.73 | -14.6 |
| 1450.8 | 1510.4 | 20 | 20 | Bester, J (Juandre) | | WCU | 1200.9 | 1219.7 | Bo Weskus Skole Skaak Prestige (O11 Seuns) | 5 | 2022-03-19 | R | B | 1 | 0.75 | 0.25 | 3 | 0.8 | 0.2 | 4 |
| 1512.9 | 1535 | 20 | 20 | Bester, J (Juandre) | | WCU | 1193.8 | 1219 | Western Cape Schools 2021 (U11 Boys) | 4 | 2021-10-23 | R | W | 1 | 0.91 | 0.09 | 1.2 | 0.91 | 0.09 | 1.8 |
| 1513.6 | 1536.6 | 20 | 20 | Bester, J (Juandre) | | WCU | 1151.4 | 1104.9 | West Coast Primary Schools Prestige 2021 (U11) | 4 | 2021-09-18 | R | B | 1 | 0.88 | 0.12 | 1.4 | 0.96 | 0.04 | 0.8 |
