| 1354.6 | 1356 | 20 | 20 | Lefyedi, T (Thatego) | | NBR | 1608.3 | 1596.3 | NSSC Winter Games 2022 (U18 Boys) | 2 | 2022-07-04 | S | B | 0.5 | 0.16 | 0.34 | 5.9 | 0.18 | 0.32 | 6.4 |
| 1352.2 | 1347.3 | 20 | 20 | Lefyedi, T (Thatego) | | NBR | 1521.4 | 1521.3 | The Meridian 2022 (Prestige) | 1 | 2022-01-22 | S | W | 0 | 0.34 | -0.34 | -5.7 | 0.34 | -0.34 | -6.8 |
| 1368.4 | 1393.4 | 20 | 20 | Lefyedi, T (Thatego) | | NBR | 1551.8 | 1560.1 | Lebone II 2019 (U16) | 5 | 2019-09-14 | S | W | 0 | 0.33 | -0.33 | -5.5 | 0.35 | -0.35 | -7 |
| 1281.9 | 1269.5 | 20 | 20 | Lefyedi, T (Thatego) | | NBR | 1523.4 | 1534.2 | Laerskool Brits 2019 (U16) | 3 | 2019-08-31 | S | W | 0 | 0.26 | -0.26 | -4.3 | 0.23 | -0.23 | -4.6 |
| 1281.9 | 1269.5 | 20 | 20 | Lefyedi, T (Thatego) | | NBR | 1523.4 | 1534.2 | Klipkerk 2019 (U16) | 4 | 2019-08-24 | S | W | 0 | 0.26 | -0.26 | -4.3 | 0.23 | -0.23 | -4.6 |
| 1281.9 | 1269.5 | 20 | 20 | Lefyedi, T (Thatego) | | NBR | 1523.4 | 1534.2 | Laerskool Rustenburg 2019 (U16) | 3 | 2019-08-17 | S | B | 0 | 0.18 | -0.18 | -3 | 0.15 | -0.15 | -3 |
| 1111.6 | 1115.7 | 20 | 20 | Lefyedi, T (Thatego) | | NBR | 1348.3 | 1348.3 | Bojanala Regionals 2018 (U14) | 3 | 2018-09-15 | S | W | 0 | 0.27 | -0.27 | -4.5 | 0.27 | -0.27 | -5.4 |
| 1075.4 | 1068.1 | 20 | 20 | Lefyedi, T (Thatego) | | NBR | 1330.4 | 1332.5 | Boys and Girls 2018 (U14 Boys) | 4 | 2018-08-25 | S | W | 0 | 0.24 | -0.24 | -4 | 0.23 | -0.23 | -4.6 |
| 1108.6 | 1110.9 | 20 | 20 | Lefyedi, T (Thatego) | | NBR | 1308.3 | 1313.1 | Laerskool Proteapark Chess 2018 (A) | 5 | 2018-05-19 | S | W | 0 | 0.31 | -0.31 | -5.1 | 0.31 | -0.31 | -6.2 |
| 1097.8 | 1101.7 | 20 | 20 | Lefyedi, T (Thatego) | | NBR | 1320 | 1328.1 | Laerskool Olienpark 2018 (Open) | 4 | 2018-04-21 | S | W | 0 | 0.28 | -0.28 | -4.6 | 0.28 | -0.28 | -5.6 |
| 1018.2 | 1019 | 20 | 20 | Lefyedi, T (Thatego) | | NBR | 1290.1 | 1292.5 | Laerskool Rustenburg 2018 (A) | 4 | 2018-03-24 | S | W | 0 | 0.23 | -0.23 | -3.8 | 0.22 | -0.22 | -4.4 |
| 874 | 874 | 20 | 20 | Lefyedi, T (Thatego) | | NBR | 1215 | 1215 | Vastrap 2017 (A) | 1 | 2017-02-11 | S | B | 0 | 0.12 | -0.12 | -2 | -0.12 | 0.12 | 2.4 |
| 906 | 906 | 20 | 20 | Lefyedi, T (Thatego) | | NBR | 1200 | 1200 | Bojanala Regional Championship 2016 (U12) | 3 | 2016-10-15 | S | W | 0 | 0.15 | -0.15 | -2.5 | -0.15 | 0.15 | 3 |
| 906 | 906 | 20 | 20 | Lefyedi, T (Thatego) | | NBR | 1200 | 1200 | Jcc St Johns Open 2016 (High) | 1 | 2016-09-25 | S | W | 0 | 0.15 | -0.15 | -2.5 | -0.15 | 0.15 | 3 |
| 833 | 833 | 20 | 20 | Lefyedi, T (Thatego) | | NBR | 1004 | 1004 | 2015 Fields Chess Tournament (Under 12 (Born 2004 2005) | 5 | 2015-08-15 | S | W | 0 | 0.27 | -0.27 | -4.5 | -0.27 | 0.27 | 5.4 |
| 0 | 0 | 20 | 20 | Lefyedi, T (Thatego) | | NBR | 604 | 604 | Grenville Chess U10 | 5 | 2014-08-16 | S | B | 1 | 0 | 1 | 16.6 | 0 | 1 | 20 |
