| 1332.3 | 1342 | 20 | 20 | Grobler, Z (Zander) | | MEN | 1238 | 1250.4 | White River Primary 2022 (U14) | 4 | 2022-07-30 | S | B | 1 | 0.57 | 0.43 | 7.2 | 0.56 | 0.44 | 8.8 |
| 1301.8 | 1307.1 | 20 | 20 | Grobler, Z (Zander) | | MEN | 1188.7 | 1191.7 | Uplands Chess Tournament 2022 (U14) | 3 | 2022-02-26 | S | B | 1 | 0.59 | 0.41 | 6.9 | 0.59 | 0.41 | 8.2 |
| 1120.4 | 1108.1 | 20 | 20 | Grobler, Z (Zander) | | MEN | 1195.7 | 1191.7 | De Goede Top 10 2019 (U12) | 4 | 2019-07-03 | S | W | 1 | 0.45 | 0.55 | 9.1 | 0.44 | 0.56 | 11.2 |
| 1120.4 | 1108.1 | 20 | 20 | Grobler, Z (Zander) | | MEN | 1195.7 | 1191.7 | Barberton Primary 2019 (U12) | 4 | 2019-07-27 | S | W | 1 | 0.45 | 0.55 | 9.2 | 0.44 | 0.56 | 11.2 |
| 984.5 | 990 | 20 | 20 | Grobler, Z (Zander) | | MEN | 997.5 | 1000.4 | De Goede Top 20 Closed 2018 (U10 Open) | 3 | 2018-08-18 | S | W | 0.5 | 0.53 | -0.03 | -0.5 | 0.53 | -0.03 | -0.6 |
| 983.5 | 988 | 20 | 20 | Grobler, Z (Zander) | | MEN | 996.2 | 997.6 | Malelane Primary 2018 (U10 Open) | 5 | 2018-07-21 | S | W | 0.5 | 0.53 | -0.03 | -0.5 | 0.53 | -0.03 | -0.6 |
| 628 | 628 | 20 | 20 | Grobler, Z (Zander) | | MEN | 622 | 622 | De Goede Top 20 Age Tournament 2017 (U8+U10) | 4 | 2017-08-19 | S | B | 1 | 0.51 | 0.49 | 8.1 | 0.49 | 0.51 | 10.2 |
| 631 | 631 | 20 | 20 | Grobler, Z (Zander) | | MEN | 626 | 626 | Curro Open Age Tournament 2017 (U8+U10 M) | 3 | 2017-05-06 | S | B | 1 | 0.51 | 0.49 | 8.1 | 0.49 | 0.51 | 10.2 |
| 591 | 591 | 20 | 20 | Grobler, Z (Zander) | | MEN | 486 | 486 | De Goede Closed Age 2016 (U8) | 3 | 2016-08-13 | S | B | 1 | 0.64 | 0.36 | 6 | 0.36 | 0.64 | 12.8 |
| 481 | 481 | 20 | 20 | Grobler, Z (Zander) | | MEN | 563 | 563 | White River Open 2016 (U10 Boys) | 5 | 2016-06-04 | S | W | 1 | 0.39 | 0.61 | 10.1 | 0.61 | 0.39 | 7.8 |
| 463 | 463 | 20 | 20 | Grobler, Z (Zander) | | MEN | 500 | 500 | De Goede Closed (U8) | 1 | 2015-08-15 | S | B | 0 | 0.45 | -0.45 | -7.5 | -0.45 | 0.45 | 9 |
| 0 | 0 | 20 | 20 | Grobler, Z (Zander) | | MEN | 500 | 500 | Malelane Selati Open (U8) | 4 | 2015-07-25 | S | B | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 0 | 0 | 20 | 20 | Grobler, Z (Zander) | | MEN | 500 | 500 | Curro Open (U8) | 3 | 2015-04-18 | S | B | 0.5 | 0 | 0.5 | 8.3 | 0 | 0.5 | 10 |