| 1065.2 | 1048.8 | 20 | 20 | Janse Van Vuuren, M (Mari) | | NBR | 1088.2 | 1109.2 | Lebone II Chess 2018 (U8) | 5 | 2018-09-01 | S | W | 1 | 0.51 | 0.49 | 8.1 | 0.47 | 0.53 | 10.6 |
| 1065.2 | 1048.8 | 20 | 20 | Janse Van Vuuren, M (Mari) | | NBR | 1088.2 | 1109.2 | Bojanala Regionals 2018 (U8) | 2 | 2018-09-15 | S | W | 0 | 0.51 | -0.51 | -8.5 | 0.47 | -0.47 | -9.4 |
| 1123.6 | 1109.6 | 20 | 20 | Janse Van Vuuren, M (Mari) | | NBR | 1073.5 | 1106 | Hoërskool Frikkie Meyer 2018 (E) | 4 | 2018-07-21 | S | W | 0 | 0.6 | -0.6 | -10 | 0.55 | -0.55 | -11 |
| 1200 | 1200 | 20 | 20 | Janse Van Vuuren, M (Mari) | | NBR | 1134.9 | 1121.6 | Hoerskool Brits 2018 (U8) | 4 | 2018-03-17 | S | B | 0 | 0.53 | -0.53 | -8.8 | 0.55 | -0.55 | -11 |