| 1238.2 | 1228.2 | 20 | 20 | Van Der Merwe, M (Marthinus) | | FMB | 1465.8 | 1461.7 | Mangaung Metro Chess 16-17 August 2019 (G) | 2 | 2019-08-16 | S | W | 0 | 0.28 | -0.28 | -4.7 | 0.27 | -0.27 | -5.4 |
| 1266.3 | 1262.4 | 20 | 20 | Van Der Merwe, M (Marthinus) | | FMB | 1372.2 | 1369.9 | Mangaung Metro July Trials 2019 (U8) | 2 | 2019-07-19 | S | B | 0 | 0.33 | -0.33 | -5.5 | 0.33 | -0.33 | -6.6 |
| 1179.9 | 1175.2 | 20 | 20 | Van Der Merwe, M (Marthinus) | | FMB | 1182.8 | 1180.4 | Mangaung Metro Chess 12 to 13 April 2019 (G) | 3 | 2019-04-13 | S | W | 1 | 0.54 | 0.46 | 7.7 | 0.54 | 0.46 | 9.2 |
| 1183.6 | 1180.4 | 20 | 20 | Van Der Merwe, M (Marthinus) | | FMB | 1162 | 1154.4 | Mangaung Metro Chess 15-16 March 2019 (F) | 2 | 2019-03-15 | S | B | 0 | 0.48 | -0.48 | -8.1 | 0.49 | -0.49 | -9.8 |
