| 1242.3 | 1238.7 | 20 | 20 | Van Der Merwe, M (Marthinus) | | FMB | 1465.8 | 1461.7 | Mangaung Metro Chess 16-17 August 2019 (G) | 4 | 2019-08-17 | S | W | 0 | 0.28 | -0.28 | -4.7 | 0.28 | -0.28 | -5.6 |
| 1203.6 | 1202 | 20 | 20 | Van Der Merwe, M (Marthinus) | | FMB | 1372.2 | 1369.9 | Mangaung Metro July Trials 2019 (U8) | 4 | 2019-07-20 | S | W | 0 | 0.35 | -0.35 | -5.9 | 0.35 | -0.35 | -7 |
| 1196.8 | 1200.8 | 20 | 20 | Van Der Merwe, M (Marthinus) | | FMB | 1275.4 | 1288.4 | Mangaung Metro Chess 31 May to 1 June 2019 (G) | 2 | 2019-05-31 | S | W | 0 | 0.45 | -0.45 | -7.6 | 0.44 | -0.44 | -8.8 |
| 1156.3 | 1149.6 | 20 | 20 | Van Der Merwe, M (Marthinus) | | FMB | 1234.5 | 1242 | Inter Regional Chess Championship 2019 (U8) | 5 | 2019-05-11 | S | B | 0 | 0.37 | -0.37 | -6.1 | 0.35 | -0.35 | -7 |
