| 1191.1 | 1163.3 | 20 | 20 | Nortman, WJ (Wilhelmus Johan) | | NBR | 1256.1 | 1228.4 | 2019 South African Junior Closed Chess Championship (U8 Open) | 8 | 2019-03-21 | S | B | 0 | 0.38 | -0.38 | -7.6 | 0.38 | -0.38 | -7.6 |
| 1364.2 | 1356.8 | 20 | 20 | Nortman, WJ (Wilhelmus Johan) | | NBR | 1289.4 | 1296.6 | Lebone II Chess 2018 (U8) | 1 | 2018-09-01 | S | W | 0 | 0.63 | -0.63 | -10.5 | 0.61 | -0.61 | -12.2 |
| 1364.2 | 1356.8 | 20 | 20 | Nortman, WJ (Wilhelmus Johan) | | NBR | 1289.4 | 1296.6 | Bojanala Regionals 2018 (U8) | 2 | 2018-09-15 | S | B | 0 | 0.55 | -0.55 | -9.1 | 0.53 | -0.53 | -10.6 |
| 1409.4 | 1413.1 | 20 | 20 | Nortman, WJ (Wilhelmus Johan) | | NBR | 1222 | 1225 | Laerskool Brits Tournament 2018 (U8) | 4 | 2018-08-04 | S | W | 0 | 0.76 | -0.76 | -12.6 | 0.76 | -0.76 | -15.2 |
| 1296.8 | 1314.9 | 20 | 20 | Nortman, WJ (Wilhelmus Johan) | | NBR | 1238.7 | 1245.2 | Laerskool Proteapark Chess 2018 (E) | 5 | 2018-05-19 | S | B | 1 | 0.53 | 0.47 | 7.8 | 0.54 | 0.46 | 9.2 |
| 1257.7 | 1269.5 | 20 | 20 | Nortman, WJ (Wilhelmus Johan) | | NBR | 1246.5 | 1256 | Laerskool Olienpark 2018 (U8) | 5 | 2018-04-21 | S | B | 1 | 0.47 | 0.53 | 8.8 | 0.47 | 0.53 | 10.6 |
| 1200.3 | 1200.4 | 20 | 20 | Nortman, WJ (Wilhelmus Johan) | | NBR | 1200 | 1200 | Hoerskool Brits 2018 (U8) | 5 | 2018-03-17 | S | W | 0.5 | 0.54 | -0.04 | -0.7 | 0.54 | -0.04 | -0.8 |