| 1415.7 | 1417.2 | 20 | 20 | Pretorius, M (Marco) | | FMB | 1277.6 | 1277 | Mangaung Metro Chess 27-28 July 2018 (B) | 5 | 2018-07-28 | S | B | 1 | 0.62 | 0.38 | 6.4 | 0.62 | 0.38 | 7.6 |
| 1420.8 | 1420.8 | 20 | 20 | Pretorius, M (Marco) | | FMB | 1277.3 | 1277.3 | Mangaung Metro Chess 19 & 20 January 2018 (B) | 4 | 2018-01-20 | S | B | 0 | 0.63 | -0.63 | -10.6 | 0.63 | -0.63 | -12.6 |
| 1370 | 1370 | 20 | 20 | Pretorius, M (Marco) | | FMB | 1301 | 1301 | Mangaung Metro January 2017 (U18) | 4 | 2017-01-21 | S | W | 0.5 | 0.6 | -0.1 | -1.7 | -0.1 | 0.6 | 12 |
| 1357 | 1357 | 20 | 20 | Pretorius, M (Marco) | | FS | 1210 | 1210 | Mangaung Metro Chess 14 15 October 2016 (U18) | 4 | 2016-10-15 | S | B | 0.5 | 0.7 | -0.2 | -3.4 | -0.2 | 0.7 | 14 |
| 1401 | 1401 | 20 | 20 | Pretorius, M (Marco) | | FS | 1228 | 1228 | Mangaung Metro Chess 11-12 March 2016 (U16) | 4 | 2016-03-12 | S | E | 0 | 0.73 | 0 | 0 | -0.73 | 0 | 0 |
| 1376 | 1376 | 20 | 20 | Pretorius, M (Marco) | | FS | 1249 | 1249 | Mangaung Metro Chess 5 To 6 February 2016 (U16) | 3 | 2016-02-06 | S | B | 0.5 | 0.67 | -0.17 | -2.9 | -0.17 | 0.67 | 13.4 |
| 1386 | 1386 | 20 | 20 | Pretorius, M (Marco) | | FS | 1134 | 1134 | Free State Chess 6 7 February 2015 U16 | 3 | 2015-02-07 | S | B | 1 | 0.81 | 0.19 | 3.2 | 0.19 | 0.81 | 16.2 |
| 1386 | 1386 | 20 | 20 | Pretorius, M (Marco) | | FS | 1134 | 1134 | Free State Chess 23 24 January 2015 U16 | 4 | 2015-01-24 | S | B | 0 | 0.81 | -0.81 | -13.6 | -0.81 | 0.81 | 16.2 |
| 1269 | 1269 | 20 | 20 | Pretorius, M (Marco) | | FS | 1184 | 1184 | Free State Chess August 2013 Trials U14A | 5 | 2013-08-17 | S | W | 0 | 0.62 | -0.62 | -10.3 | -0.62 | 0.62 | 12.4 |
| 1258 | 1258 | 20 | 20 | Pretorius, M (Marco) | | FS | 1166 | 1166 | Free State Chess July 2013 U14 | 4 | 2013-07-27 | S | W | 1 | 0.63 | 0.37 | 6.1 | 0.37 | 0.63 | 12.6 |
| 1258 | 1258 | 20 | 20 | Pretorius, M (Marco) | | FS | 1166 | 1166 | Free State Chess July 2013 U14 | 4 | 2013-07-27 | S | W | 1 | 0.63 | 0.37 | 6.1 | 0.37 | 0.63 | 12.6 |
| 1175 | 1175 | 20 | 20 | Pretorius, M (Marco) | | FS | 1220 | 1220 | Chess Free State March 2013 Trials U14A | 1 | 2013-03-15 | S | W | 0.5 | 0.44 | 0.06 | 1 | 0.06 | 0.44 | 8.8 |
| 1160 | 1160 | 20 | 20 | Pretorius, M (Marco) | | FS | 1194 | 1194 | Free State Chess February 2013 U14 | 6 | 2013-02-09 | S | W | 0 | 0.45 | -0.45 | -7.5 | -0.45 | 0.45 | 9 |
| 1172 | 1172 | 20 | 20 | Pretorius, M (Marco) | | FS | 1186 | 1186 | Free State September 2012 Trails U12 A | 4 | 2012-09-08 | S | W | 0 | 0.48 | -0.48 | -8 | -0.48 | 0.48 | 9.6 |
