| 1980 | 2011 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2094.5 | 2162 | Mzansi Spring Rapid 2023 | 7 | 2023-09-02 | R | B | 0 | 0.32 | -0.32 | -2.5 | 0.28 | -0.28 | -5.6 |
| 1987.3 | 1977.7 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2106.3 | 2112.8 | Chess Power House 2023 (Invitational) | 3 | 2023-08-19 | S | B | 0.5 | 0.32 | 0.18 | 3 | 0.3 | 0.2 | 4 |
| 2017 | 2010.1 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2150.3 | 2170.2 | Chess Power House Feb RR 2023 (A) | 5 | 2023-02-18 | S | B | 0 | 0.3 | -0.3 | -5.6 | 0.27 | -0.27 | -5.4 |
| 2010.1 | 1999.2 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2161.2 | 2208 | CPH Chess Clubs Challenge 2022 (A) | 7 | 2022-11-12 | R | B | 1 | 0.28 | 0.72 | 6.8 | 0.22 | 0.78 | 15.6 |
| 2045.5 | 2055.1 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2215.2 | 2221.4 | Chess Power House Fide RR 2022 (Prestige) | 5 | 2022-03-06 | S | W | 0.5 | 0.34 | 0.16 | 3 | 0.35 | 0.15 | 3 |
| 2048.9 | 2061.3 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2110.2 | 2107.1 | Heidelberg Open 2020 (Prestige) | 5 | 2020-02-02 | S | W | 0.5 | 0.47 | 0.03 | 0.6 | 0.49 | 0.01 | 0.2 |
| 1998.9 | 2017.8 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2113.8 | 2135.1 | 2019 South African Juior Blitz Championship (A) | 3 | 2020-01-05 | B | W | 0 | 0.41 | -0.41 | -1.5 | 0.41 | -0.41 | -8.2 |
| 2025.6 | 2033.2 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2119.9 | 2122.3 | 2019 Centurion Open (A) | 3 | 2019-09-28 | S | W | 0.5 | 0.43 | 0.07 | 1.2 | 0.44 | 0.06 | 1.2 |
| 2025.6 | 2033.2 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2119.9 | 2122.3 | Ekurhuleni Grand Prix 2019 (A) | 4 | 2019-09-14 | S | W | 0.5 | 0.43 | 0.07 | 1.2 | 0.44 | 0.06 | 1.2 |
| 2020.6 | 2029 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2116.8 | 2118.8 | Chess Power House 2019 (A) | 6 | 2019-08-30 | S | B | 0 | 0.35 | -0.35 | -6.6 | 0.35 | -0.35 | -7 |
| 2012.9 | 2019.3 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2153.3 | 2152.9 | South African Open Chess Championships 2019 (A) | 6 | 2019-06-19 | S | W | 1 | 0.38 | 0.62 | 12.4 | 0.39 | 0.61 | 12.2 |
| 2012.9 | 2023.2 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2153.3 | 2211.4 | One Saturday Chess Tournament 2019 (A) | 3 | 2019-06-29 | R | B | 0.5 | 0.29 | 0.21 | 2.3 | 0.24 | 0.26 | 5.2 |
| 1993.2 | 1997.5 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2148.5 | 2157.1 | 2019 Chris Greyling (A) | 4 | 2019-04-27 | S | W | 0.5 | 0.36 | 0.14 | 2.3 | 0.36 | 0.14 | 2.8 |
| 1985.3 | 1995.5 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2170.5 | 2181.6 | Chess Power House Closed 2019 | 3 | 2019-01-31 | S | B | 0 | 0.24 | -0.24 | -4.5 | 0.24 | -0.24 | -4.8 |
| 2066.7 | 2074.8 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2194.3 | 2206.3 | Primrose Chess Club Blitz 2018 | 9 | 2018-04-13 | B | B | 0 | 0.31 | -0.31 | -1.1 | 0.31 | -0.31 | -6.2 |
| 2000 | 2000 | 20 | 20 | Mnguni, Jd (Jakob) | | GTP | 2151 | 2151 | 2017 Kcf Africa Team Chess Invitational | 3 | 2017-10-06 | S | B | 0 | 0.3 | -0.3 | -6 | -0.3 | 0.3 | 6 |
| 2005 | 2005 | 20 | 20 | Mnguni, Jd (Jakob) | | GTP | 2096 | 2096 | Jnw Club - Bryanston2 Open 2017 (A) | 4 | 2017-05-06 | S | W | 0.5 | 0.38 | 0.12 | 2 | 0.12 | 0.38 | 7.6 |
| 2015 | 2015 | 20 | 20 | Mnguni, Jd (Jakob) | | GTP | 2101 | 2101 | 2017 Ethekwini Open (A) | 3 | 2017-03-19 | S | B | 0.5 | 0.38 | 0.12 | 2.4 | 0.12 | 0.38 | 7.6 |
| 1994 | 1994 | 20 | 20 | Mnguni, Jd (Jakob) | | GTP | 2083 | 2083 | The Goforchess Sigma Capital Open 2016 | 4 | 2016-02-22 | S | W | 0.5 | 0.38 | 0.12 | 2 | 0.12 | 0.38 | 7.6 |
| 2015 | 2015 | 20 | 20 | Mnguni, Jd (Jakob) | | GTP | 1879 | 1879 | Accounting Uj Open 2014 (Uj Section A) | 2 | 2014-10-10 | S | B | 1 | 0.68 | 0.32 | 5.4 | 0.32 | 0.68 | 13.6 |
| 2006 | 2006 | 20 | 20 | Mnguni, Jd (Jakob) | | GTP | 1861 | 1861 | Wrps Jhb S A Section (A Section) | 3 | 2014-11-02 | S | B | 0 | 0.69 | -0.69 | -11.5 | -0.69 | 0.69 | 13.8 |
| 2001 | 2001 | 20 | 20 | Mnguni, Jd (Jakob) | | GTP | 1776 | 1776 | Bryanston Open 2014 (A Section) | 6 | 2014-05-10 | S | B | 0.5 | 0.78 | -0.28 | -4.8 | -0.28 | 0.78 | 15.6 |
