| 1463.9 | 1445.7 | 20 | 20 | Klopper, PA (Phillippus Arnoldus) | | GTP | 1259.2 | 1237.9 | 2023 Tshwane North School District CLOSED Individual Championships (D3) | 5 | 2023-05-13 | S | B | 1 | 0.7 | 0.3 | 5 | 0.7 | 0.3 | 6 |
| 1319.2 | 1310.6 | 20 | 20 | Klopper, PA (Phillippus Arnoldus) | | GTP | 1247.2 | 1236.8 | 2022 Gauteng Schools Individual Chess Championship (U11 Boys) | 3 | 2022-06-18 | S | W | 1 | 0.63 | 0.37 | 6.1 | 0.63 | 0.37 | 7.4 |
| 1283.4 | 1272.1 | 20 | 20 | Klopper, PA (Phillippus Arnoldus) | | GTP | 1176.3 | 1164.3 | 2022 D3 Cluster City Schools (U11) | 5 | 2022-04-23 | S | W | 1 | 0.67 | 0.33 | 5.5 | 0.67 | 0.33 | 6.6 |
| 1287.1 | 1274.2 | 20 | 20 | Klopper, PA (Phillippus Arnoldus) | | GTP | 1158.6 | 1139.9 | 2021 Etienne Lewis Closed Trials (U12 Open) | 1 | 2021-09-24 | S | W | 1 | 0.69 | 0.31 | 5.8 | 0.7 | 0.3 | 6 |
| 1323.6 | 1314.2 | 20 | 20 | Klopper, PA (Phillippus Arnoldus) | | GTP | 1196.2 | 1179.5 | 2021 Alekhine Open (C) | 3 | 2021-08-14 | S | W | 0 | 0.69 | -0.69 | -13 | 0.7 | -0.7 | -14 |
| 1133.9 | 1120.4 | 20 | 20 | Klopper, PA (Phillippus Arnoldus) | | GTP | 1245 | 1241.6 | 2019 D3 Team League (U9) | 4 | 2019-07-20 | S | B | 0 | 0.33 | -0.33 | -5.5 | 0.32 | -0.32 | -6.4 |
