| 1573.3 | 1571.9 | 20 | 20 | Nkosi, DJ (Dumisa) | | MEN | 1700.8 | 1702.7 | Bergvlam Tournament 2020 (Senior) | 3 | 2020-03-14 | S | W | 0 | 0.39 | -0.39 | -7.8 | 0.39 | -0.39 | -7.8 |
| 1505.9 | 1504.4 | 20 | 20 | Nkosi, DJ (Dumisa) | | MEN | 1680.8 | 1683.3 | Uplands 2020 (Open) | 2 | 2020-01-25 | S | W | 0 | 0.34 | -0.34 | -5.6 | 0.33 | -0.33 | -6.6 |
| 1453.8 | 1440.8 | 20 | 20 | Nkosi, DJ (Dumisa) | | MEN | 1676.8 | 1680.9 | Ehlanzeni Prestige 2019 | 5 | 2019-09-13 | S | W | 0 | 0.28 | -0.28 | -4.8 | 0.26 | -0.26 | -5.2 |
| 1487.1 | 1466.6 | 20 | 20 | Nkosi, DJ (Dumisa) | | MEN | 1759.9 | 1769.7 | Curro Open 2019 (Open) | 1 | 2019-04-12 | S | W | 0 | 0.22 | -0.22 | -3.7 | 0.19 | -0.19 | -3.8 |
| 1569.8 | 1563.5 | 20 | 20 | Nkosi, DJ (Dumisa) | | MEN | 1770.6 | 1784.1 | Uplands Open Age 2019 (Open) | 4 | 2019-03-09 | S | B | 0 | 0.22 | -0.22 | -3.7 | 0.2 | -0.2 | -4 |
| 1553.3 | 1543.1 | 20 | 20 | Nkosi, DJ (Dumisa) | | MEN | 1811.6 | 1800.7 | Penryn Age Open 2019 (Senior) | 5 | 2019-02-09 | S | B | 0.5 | 0.16 | 0.34 | 5.7 | 0.16 | 0.34 | 6.8 |
| 1558.7 | 1544.5 | 20 | 20 | Nkosi, DJ (Dumisa) | | MEN | 1770.6 | 1755.5 | Nelpsruit Prestige 2018 (A) | 1 | 2018-09-14 | S | B | 0 | 0.21 | -0.21 | -3.5 | 0.21 | -0.21 | -4.2 |
| 1652.8 | 1652.5 | 20 | 20 | Nkosi, DJ (Dumisa) | | MEN | 1845.3 | 1845 | Sabie Primary 2018 (Open) | 3 | 2018-03-10 | S | W | 0.5 | 0.32 | 0.18 | 3 | 0.32 | 0.18 | 3.6 |
| 1652.8 | 1652.5 | 20 | 20 | Nkosi, DJ (Dumisa) | | MEN | 1845.3 | 1845 | Rob Ferreira Hoerskool Open 2018 (Open) | 5 | 2018-03-17 | S | B | 0 | 0.23 | -0.23 | -3.9 | 0.23 | -0.23 | -4.6 |
| 1379 | 1379 | 20 | 20 | Nkosi, Dj (Dumisa) | | MEN | 1672 | 1672 | Ehlanzeni Prestige Chess Championship 2017 | 3 | 2017-09-23 | S | W | 0 | 0.15 | -0.15 | -2.5 | -0.15 | 0.15 | 3 |
| 1379 | 1379 | 20 | 20 | Nkosi, Dj (Dumisa) | | MEN | 1672 | 1672 | Standerton Open 2017 (Section A) | 2 | 2017-09-09 | S | B | 1 | 0.15 | 0.85 | 14.5 | 0.85 | 0.15 | 3 |
| 1407 | 1407 | 20 | 20 | Nkosi, Dj (Dumisa) | | MEN | 1723 | 1723 | Lowveld Open Tournament 2017 (Open) | 1 | 2017-08-26 | S | B | 0 | 0.13 | -0.13 | -2.2 | -0.13 | 0.13 | 2.6 |
| 1454 | 1454 | 20 | 20 | Nkosi, Dj (Dumisa) | | MEN | 1772 | 1772 | Curro Open Age Tournament 2017 (Senior) | 2 | 2017-05-06 | S | W | 0 | 0.13 | -0.13 | -2.2 | -0.13 | 0.13 | 2.6 |
| 1512 | 1512 | 20 | 20 | Nkosi, Dj (Dumisa) | | MEN | 1835 | 1835 | Sabie Open 2017 (Open) | 2 | 2017-03-11 | S | W | 1 | 0.13 | 0.87 | 14.4 | 0.87 | 0.13 | 2.6 |
| 1533 | 1533 | 20 | 20 | Nkosi, Dj (Dumisa) | | MEN | 1773 | 1773 | Rob Ferreira Open 2017 (A1) | 4 | 2017-02-25 | S | W | 0 | 0.2 | -0.2 | -3.3 | -0.2 | 0.2 | 4 |
| 1537 | 1537 | 20 | 20 | Nkosi, Dj (Dumisa) | | MEN | 1762 | 1762 | Malelane Primary Abc Open 2016 (A Boys) | 5 | 2016-07-30 | S | B | 0 | 0.22 | -0.22 | -3.7 | -0.22 | 0.22 | 4.4 |
| 1476 | 1476 | 20 | 20 | Nkosi, Dj (Dumisa) | | MEN | 1741 | 1741 | Ehlanzeni Chess Championships 2015 (Open) | 3 | 2015-11-08 | S | W | 0 | 0.18 | -0.18 | -3 | -0.18 | 0.18 | 3.6 |
| 1458 | 1458 | 20 | 20 | Nkosi, Dj (Dumisa) | | MEN | 1710 | 1710 | Malelane Selati Open (Senior) | 2 | 2015-07-25 | S | B | 0 | 0.19 | -0.19 | -3.2 | -0.19 | 0.19 | 3.8 |
| 1435 | 1435 | 20 | 20 | Nkosi, Dj (Dumisa) | | MEN | 1690 | 1690 | Kalie De Haas Open (A Section) | 3 | 2015-03-21 | S | B | 0 | 0.19 | -0.19 | -3.3 | -0.19 | 0.19 | 3.8 |
| 1349 | 1349 | 20 | 20 | Nkosi, Dj (Dumisa) | | MEN | 1168 | 1168 | Whiteriver U18-Snr | 6 | 2013-06-01 | R | W | 0 | 0.74 | -0.74 | -9.8 | -0.74 | 0.74 | 14.8 |
| 1369 | 1369 | 20 | 20 | Nkosi, Dj (Dumisa) | | MEN | 1072 | 1072 | Suikerland Under 20 And Seniors | 3 | 2013-03-07 | R | W | 0 | 0.85 | -0.85 | -11.2 | -0.85 | 0.85 | 17 |
| 1366 | 1366 | 20 | 20 | Nkosi, Dj (Dumisa) | | MEN | 955 | 955 | Sab 18-20-Snr | 4 | 2013-03-07 | R | W | 0.5 | 0.92 | -0.42 | -5.5 | -0.42 | 0.92 | 18.4 |
