| 2199.2 | 2235.1 | 20 | 20 | Mnguni, JD (Jakob Dumisani) | PM | GTP | 2169 | 2180.5 | Ekurhuleni Trial 4 2025 (A) | 3 | 2025-09-21 | S | W | 1 | 0.58 | 0.42 | 7 | 0.61 | 0.39 | 7.8 |
| 2208 | 2242.9 | 20 | 20 | Mnguni, JD (Jakob Dumisani) | PM | GTP | 2172.4 | 2193.8 | Ekurhuleni Trial 2 2025 (A) | 3 | 2025-06-21 | S | W | 1 | 0.58 | 0.42 | 7 | 0.6 | 0.4 | 8 |
| 2208 | 2242.9 | 20 | 20 | Mnguni, JD (Jakob Dumisani) | PM | GTP | 2172.4 | 2193.8 | Najdorf Movement 2025 (Championship) | 4 | 2025-06-15 | S | B | 0 | 0.5 | -0.5 | -9.4 | 0.52 | -0.52 | -10.4 |
| 2195.9 | 2233.4 | 20 | 20 | Mnguni, JD (Jakob Dumisani) | PM | GTP | 2182.1 | 2202.3 | Mzansi Africa Classic 2025 (Expert) | 3 | 2025-05-17 | S | B | 1 | 0.47 | 0.53 | 8.8 | 0.49 | 0.51 | 10.2 |
| 2195.9 | 2233.4 | 20 | 20 | Mnguni, JD (Jakob Dumisani) | PM | GTP | 2182.1 | 2202.3 | Moja Chess Extravaganza 2025 (Prestige) | 9 | 2025-05-01 | S | D | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 2193.5 | 2231.8 | 20 | 20 | Mnguni, JD (Jakob Dumisani) | PM | GTP | 2191.6 | 2205.6 | Mpumalanga Open Chess Championship 2025 (Prestige) | 3 | 2025-04-19 | S | B | 0.5 | 0.46 | 0.04 | 0.7 | 0.49 | 0.01 | 0.2 |
| 2207.9 | 2263.6 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2182.3 | 2197.6 | CPH Boksburg Open 2024 (Prestige 1) | 1 | 2024-10-25 | S | B | 1 | 0.49 | 0.51 | 9.6 | 0.54 | 0.46 | 9.2 |
| 2207.9 | 2263.6 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2182.3 | 2197.6 | Laerskool Doringkloof Primary Open Chess Tournament 2024 (A) | 4 | 2024-10-19 | S | B | 0.5 | 0.49 | 0.01 | 0.2 | 0.54 | -0.04 | -0.8 |
| 2215.4 | 2284.4 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2164.8 | 2174.6 | JCC Khelo India 1st Annual Chess Tournament 2024 (Pestige) | 5 | 2024-08-31 | S | W | 1 | 0.6 | 0.4 | 6.6 | 0.67 | 0.33 | 6.6 |
| 2171.9 | 2182.6 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2180.7 | 2190.1 | Eureka Open 27 July 2024 (A) | 5 | 2024-07-27 | S | W | 1 | 0.53 | 0.47 | 7.8 | 0.53 | 0.47 | 9.4 |
| 2169.4 | 2178.9 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2168.3 | 2174.7 | 2024 Elise Steenkamp Open Chess Tournament (Kings) | 6 | 2024-06-16 | S | B | 0.5 | 0.46 | 0.04 | 0.8 | 0.46 | 0.04 | 0.8 |
| 2169.4 | 2178.9 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2168.3 | 2174.7 | 2024 Johannes Mabusela's 40th Birthday Chess Tournament F Section (Prestige) | 3 | 2024-06-01 | S | B | 1 | 0.46 | 0.54 | 9 | 0.46 | 0.54 | 10.8 |
| 2228.2 | 2234.9 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2159.4 | 2162.9 | South African Closed Chess Championship 2024 (Open) | 1 | 2024-03-25 | S | W | 0.5 | 0.62 | -0.12 | -2.4 | 0.63 | -0.13 | -2.6 |
| 2235.1 | 2241.3 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2168.8 | 2169.8 | JNW Open - Classic - Crawford 2024 (A) | 3 | 2024-03-09 | S | W | 0.5 | 0.62 | -0.12 | -2 | 0.62 | -0.12 | -2.4 |
| 2202.6 | 2198.9 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2182.9 | 2157.1 | JMC Kick Off Tournament 2024 (A) | 5 | 2024-01-28 | S | W | 1 | 0.56 | 0.44 | 7.3 | 0.59 | 0.41 | 8.2 |
| 2098.8 | 2075.7 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2089.4 | 2109 | Mbombela Chess Club Annual 2023 (Open) | 5 | 2023-12-02 | S | B | 1 | 0.47 | 0.53 | 8.9 | 0.42 | 0.58 | 11.6 |
| 2142.9 | 2134.4 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2106.3 | 2112.8 | Chess Power House 2023 (Invitational) | 1 | 2023-08-19 | S | B | 0.5 | 0.5 | 0 | 0 | 0.48 | 0.02 | 0.4 |
| 2130.7 | 2122 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2125.4 | 2135.8 | Eureka Open 2023 (A) | 4 | 2023-07-29 | S | B | 1 | 0.46 | 0.54 | 9 | 0.44 | 0.56 | 11.2 |
| 2042.5 | 2041.5 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2185.6 | 2197.6 | Chess Power House 2nd RR 2022 (Prestige) | 3 | 2022-08-20 | S | W | 0.5 | 0.38 | 0.12 | 2.3 | 0.36 | 0.14 | 2.8 |
| 2083.2 | 2081.3 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2172.6 | 2182.7 | Eureka Open 2022 (A) | 4 | 2022-07-30 | S | W | 0 | 0.44 | -0.44 | -7.3 | 0.42 | -0.42 | -8.4 |
| 2087.7 | 2087.7 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2215.2 | 2221.4 | Chess Power House Fide RR 2022 (Prestige) | 1 | 2022-03-05 | S | W | 1 | 0.39 | 0.61 | 11.5 | 0.39 | 0.61 | 12.2 |
| 2075.2 | 2070.5 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2217 | 2223.4 | Ekurhuleni Chess Kempton Park Open 2020 (A) | 3 | 2020-11-21 | S | W | 0.5 | 0.38 | 0.12 | 2 | 0.36 | 0.14 | 2.8 |
| 2080.7 | 2075.5 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2133.3 | 2134.3 | 2020 Waterkloof Open (A) | 4 | 2020-03-01 | S | B | 0 | 0.4 | -0.4 | -7.5 | 0.39 | -0.39 | -7.8 |
| 2080.7 | 2075.5 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2133.3 | 2134.3 | 2020 Boardwalk Pearson Open Chess Festival (Prestige) | 6 | 2020-03-15 | S | B | 0 | 0.4 | -0.4 | -7.5 | 0.39 | -0.39 | -7.8 |
| 1957 | 1953.8 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2176.7 | 2170.8 | 2018 Gauteng North Open (A) | 3 | 2018-10-20 | S | B | 0.5 | 0.2 | 0.3 | 5.6 | 0.21 | 0.29 | 5.8 |
| 1956.8 | 1949.2 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2179.6 | 2173.8 | 2018 Alekhine Open (A) | 6 | 2018-08-11 | S | W | 0 | 0.28 | -0.28 | -5.3 | 0.28 | -0.28 | -5.6 |
| 2013 | 2008.8 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2194.3 | 2192.4 | 2018 Chris Greyling Open (A) | 5 | 2018-04-21 | S | B | 0 | 0.25 | -0.25 | -4.1 | 0.24 | -0.24 | -4.8 |
| 2013 | 2008.8 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2194.3 | 2192.4 | JNW Club - Linden Open 2018 (A) | 5 | 2018-04-14 | S | B | 0.5 | 0.25 | 0.25 | 4.1 | 0.24 | 0.26 | 5.2 |
| 2029.2 | 2024 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2218.7 | 2218.7 | JCC Wits 2018 (A) | 1 | 2018-02-25 | S | B | 0.5 | 0.24 | 0.26 | 4.4 | 0.23 | 0.27 | 5.4 |
| 1802 | 1802 | 20 | 20 | Mnguni, Jd (Jakob) | | GTP | 2091 | 2091 | 2017 Tshwane Registration Tournament (A) | 1 | 2017-01-21 | S | W | 1 | 0.16 | 0.84 | 13.9 | 0.84 | 0.16 | 3.2 |
| 1696 | 1696 | 20 | 20 | Mnguni, Jd (Jakob) | | GTP | 2081 | 2081 | Jcc Yeshiva Open 2 2016 (Open) | 3 | 2016-05-22 | S | W | 0.5 | 0.09 | 0.41 | 6.8 | 0.41 | 0.09 | 1.8 |
| 1624 | 1624 | 20 | 20 | Mnguni, Jd (Jakob) | | GTP | 2083 | 2083 | The Goforchess Sigma Capital Open 2016 | 2 | 2016-02-22 | S | W | 0 | 0.05 | -0.05 | -0.8 | -0.05 | 0.05 | 1 |
| 1557 | 1557 | 20 | 20 | Mnguni, Jd (Jakob) | | GTP | 1941 | 1941 | Bryanston Primary School Tournament (Section-A) | 5 | 2015-04-18 | S | B | 0 | 0.09 | -0.09 | -1.5 | -0.09 | 0.09 | 1.8 |
