| 1018.2 | 1004.4 | 20 | 20 | Janse Van Vuuren, M (Mari) | | NBR | 976 | 979.2 | Rustenburg Noord Primary Tournament 2019 (U10) | 5 | 2019-02-09 | S | W | 1 | 0.59 | 0.41 | 6.8 | 0.57 | 0.43 | 8.6 |
| 1018.2 | 1004.4 | 20 | 20 | Janse Van Vuuren, M (Mari) | | NBR | 976 | 979.2 | Fields College Open 2019 (U10) | 3 | 2019-02-02 | S | W | 0 | 0.59 | -0.59 | -9.8 | 0.57 | -0.57 | -11.4 |
| 1090.4 | 1076.4 | 20 | 20 | Janse Van Vuuren, M (Mari) | | NBR | 1088.2 | 1109.2 | Lebone II Chess 2018 (U8) | 3 | 2018-09-01 | S | B | 1 | 0.46 | 0.54 | 9 | 0.42 | 0.58 | 11.6 |
| 1090.4 | 1076.4 | 20 | 20 | Janse Van Vuuren, M (Mari) | | NBR | 1088.2 | 1109.2 | Bojanala Regionals 2018 (U8) | 5 | 2018-09-15 | S | B | 1 | 0.46 | 0.54 | 9 | 0.42 | 0.58 | 11.6 |
| 1200 | 1200 | 20 | 20 | Janse Van Vuuren, M (Mari) | | NBR | 1200 | 1200 | Laerskool Rustenburg Noord Primary 2018 (E) | 3 | 2018-02-24 | S | B | 1 | 0.46 | 0.54 | 9 | 0.46 | 0.54 | 10.8 |