| 2181.7 | 2213.1 | 20 | 20 | Mnguni, JD (Jakob Dumisani) | PM | GTP | 2169 | 2180.5 | 2025 Centurion Chess Open Tournament (A) | 4 | 2025-09-27 | S | W | 0.5 | 0.56 | -0.06 | -1 | 0.58 | -0.08 | -1.6 |
| 2159.6 | 2201.6 | 20 | 20 | Mnguni, JD (Jakob Dumisani) | PM | GTP | 2182.1 | 2202.3 | 2025 KZN Open (A) | 7 | 2025-05-04 | S | B | 1 | 0.43 | 0.57 | 10.7 | 0.46 | 0.54 | 10.8 |
| 2159.1 | 2200.3 | 20 | 20 | Mnguni, JD (Jakob Dumisani) | PM | GTP | 2191.6 | 2205.6 | Mpumalanga Open Chess Championship 2025 (Prestige) | 4 | 2025-04-19 | S | W | 0 | 0.5 | -0.5 | -8.5 | 0.54 | -0.54 | -10.8 |
| 2159.1 | 2200.3 | 20 | 20 | Mnguni, JD (Jakob Dumisani) | PM | GTP | 2191.6 | 2205.6 | 2025 Mid Gauteng Open Chess Tournament (A) | 4 | 2025-04-12 | S | W | 1 | 0.5 | 0.5 | 8.3 | 0.54 | 0.46 | 9.2 |
| 2142.6 | 2182.5 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2164.8 | 2174.6 | 2024 Moja Chess Extravaganza (Prestige) | 6 | 2024-09-27 | S | B | 0 | 0.43 | -0.43 | -8.6 | 0.47 | -0.47 | -9.4 |
| 2172.9 | 2229.9 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2168.3 | 2174.7 | 2024 Elise Steenkamp Open Chess Tournament (Kings) | 5 | 2024-06-16 | S | W | 0 | 0.55 | -0.55 | -10.3 | 0.61 | -0.61 | -12.2 |
| 2159.8 | 2219.2 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2187.2 | 2195.5 | Chess Power House May Open 2024 (A) | 5 | 2024-05-25 | S | W | 1 | 0.51 | 0.49 | 8.1 | 0.57 | 0.43 | 8.6 |
| 2207.5 | 2276 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2181.7 | 2158.3 | 2024 Tshwane Chess AHS Open Chess Tournament (Prestige) | 2 | 2024-02-24 | S | W | 0.5 | 0.57 | -0.07 | -1.2 | 0.68 | -0.18 | -3.6 |
| 2185.4 | 2191.1 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2089.4 | 2109 | Mbombela Chess Club Annual 2023 (Open) | 3 | 2023-12-02 | S | B | 1 | 0.57 | 0.43 | 7.2 | 0.55 | 0.45 | 9 |
| 2155.4 | 2158.5 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2094.5 | 2114.9 | Emalahleni Spring Open 2023 (A) | 6 | 2023-09-23 | S | B | 0.5 | 0.53 | -0.03 | -0.6 | 0.51 | -0.01 | -0.2 |
| 2134.4 | 2141.5 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2106.3 | 2112.8 | 2023 Jacaranda Round Robin (A) | 4 | 2023-08-12 | S | W | 0.5 | 0.57 | -0.07 | -1.2 | 0.58 | -0.08 | -1.6 |
| 2134.4 | 2141.5 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2106.3 | 2112.8 | Chess Power House 2023 (Invitational) | 2 | 2023-08-19 | S | W | 0.5 | 0.57 | -0.07 | -1.2 | 0.58 | -0.08 | -1.6 |
| 2127.1 | 2130.1 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2120.9 | 2132.1 | Mzansi Fide Open 2023 (Prestige) | 6 | 2023-05-01 | S | B | 0.5 | 0.47 | 0.03 | 0.6 | 0.46 | 0.04 | 0.8 |
| 2136.3 | 2136.6 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2154.2 | 2172.4 | Schoemies Kings & Queens 2023 (Queens) | 4 | 2023-03-18 | S | B | 0.5 | 0.44 | 0.06 | 1 | 0.42 | 0.08 | 1.6 |
| 2136.3 | 2136.6 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2154.2 | 2172.4 | CPH March FIDE RR 2023 (A) | 4 | 2023-03-26 | S | W | 0.5 | 0.52 | -0.02 | -0.4 | 0.5 | 0 | 0 |
| 2136.3 | 2136.6 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2154.2 | 2172.4 | 2023 Afrikaans Hoër Seunskool Open Chess Tournament (A) | 4 | 2023-03-04 | S | B | 0.5 | 0.44 | 0.06 | 1 | 0.42 | 0.08 | 1.6 |
| 2132.2 | 2132.8 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2150.3 | 2170.2 | Chess Power House Feb RR 2023 (A) | 3 | 2023-02-18 | S | B | 0.5 | 0.44 | 0.06 | 1.1 | 0.41 | 0.09 | 1.8 |
| 2162.1 | 2160.6 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2185.6 | 2197.6 | Chess Power House 2nd RR 2022 (Prestige) | 1 | 2022-08-20 | S | B | 0.5 | 0.43 | 0.07 | 1.3 | 0.42 | 0.08 | 1.6 |
| 2164.1 | 2158.8 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2215.2 | 2221.4 | 2022 Chris Greyling Open (A) | 4 | 2022-03-12 | S | W | 1 | 0.48 | 0.52 | 8.6 | 0.47 | 0.53 | 10.6 |
| 2164.1 | 2158.8 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2215.2 | 2221.4 | Chess Power House Fide RR 2022 (Prestige) | 3 | 2022-03-05 | S | W | 1 | 0.48 | 0.52 | 9.8 | 0.47 | 0.53 | 10.6 |
| 2194.2 | 2188.6 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2217 | 2223.4 | Ekurhuleni Chess Kempton Park Open 2020 (A) | 5 | 2020-11-21 | S | W | 0 | 0.52 | -0.52 | -8.6 | 0.5 | -0.5 | -10 |
| 2213.4 | 2205.2 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2119.9 | 2122.3 | 2019 Centurion Open (A) | 4 | 2019-09-28 | S | B | 0.5 | 0.57 | -0.07 | -1.2 | 0.55 | -0.05 | -1 |
| 2242.3 | 2234.5 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2116.8 | 2118.8 | Chess Power House 2019 (A) | 1 | 2019-08-22 | S | B | 0.5 | 0.6 | -0.1 | -1.9 | 0.59 | -0.09 | -1.8 |
| 2258.3 | 2250 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2148.5 | 2157.1 | Primrose Chess Club Open 2019 (A) | 5 | 2019-04-13 | S | W | 0.5 | 0.67 | -0.17 | -2.8 | 0.65 | -0.15 | -3 |
| 2349.6 | 2354.1 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2194.3 | 2192.4 | 2018 Chris Greyling Open (A) | 3 | 2018-04-21 | S | B | 0.5 | 0.64 | -0.14 | -2.3 | 0.65 | -0.15 | -3 |
| 2345.4 | 2349.9 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2200.2 | 2199.3 | 2018 Crawford Open (A) | 4 | 2018-03-24 | S | B | 1 | 0.63 | 0.37 | 6.1 | 0.63 | 0.37 | 7.4 |
| 2385.7 | 2385.7 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2177.5 | 2177.5 | 2018 Tshwane Registration Open Chess Tournament (A) | 5 | 2018-01-27 | S | W | 0.5 | 0.78 | -0.28 | -4.6 | 0.78 | -0.28 | -5.6 |
| 2239 | 2239 | 20 | 20 | Mnguni, Jd (Jakob) | | GTP | 2182 | 2182 | 2017 South African Closed Chess Championships (Open) | 5 | 2017-12-13 | S | B | 0.5 | 0.58 | -0.08 | -1.6 | -0.08 | 0.58 | 11.6 |
| 2237 | 2237 | 20 | 20 | Mnguni, Jd (Jakob) | | GTP | 2166 | 2166 | 2017 Lardies Open (A+B) | 3 | 2017-10-28 | S | W | 0.5 | 0.6 | -0.1 | -1.7 | -0.1 | 0.6 | 12 |
| 2237 | 2237 | 20 | 20 | Mnguni, Jd (Jakob) | | GTP | 2151 | 2151 | 2017 Jacaranda Open (A) | 4 | 2017-10-14 | S | W | 0.5 | 0.62 | -0.12 | -2 | -0.12 | 0.62 | 12.4 |
| 2229 | 2229 | 20 | 20 | Mnguni, Jd (Jakob) | | GTP | 2145 | 2145 | 2017 Alekhine (A) | 4 | 2017-08-05 | S | B | 0.5 | 0.62 | -0.12 | -2.3 | -0.12 | 0.62 | 12.4 |
| 2224 | 2224 | 20 | 20 | Mnguni, Jd (Jakob) | | GTP | 2124 | 2124 | 2017 Menlo Open (A) | 5 | 2017-07-29 | S | W | 0.5 | 0.64 | -0.14 | -2.3 | -0.14 | 0.64 | 12.8 |
| 2224 | 2224 | 20 | 20 | Mnguni, Jd (Jakob) | | GTP | 2124 | 2124 | 2017 Swartkop Open (A) | 3 | 2017-07-01 | S | W | 0.5 | 0.64 | -0.14 | -2.3 | -0.14 | 0.64 | 12.8 |
| 2229 | 2229 | 20 | 20 | Mnguni, Jd (Jakob) | | GTP | 2072 | 2072 | 2017 Waterkloof Open (Prestige) | 3 | 2017-03-04 | S | W | 1 | 0.71 | 0.29 | 5.8 | 0.29 | 0.71 | 14.2 |
| 2216 | 2216 | 20 | 20 | Mnguni, Jd (Jakob) | | GTP | 2091 | 2091 | 2017 Tshwane Registration Tournament (A) | 5 | 2017-01-21 | S | W | 1 | 0.67 | 0.33 | 5.5 | 0.33 | 0.67 | 13.4 |
| 2239 | 2239 | 20 | 20 | Mnguni, Jd (Jakob) | | GTP | 2080 | 2080 | Gauteng Closed 2015 | 3 | 2015-11-14 | S | W | 1 | 0.71 | 0.29 | 5.5 | 0.29 | 0.71 | 14.2 |
| 2244 | 2244 | 20 | 20 | Mnguni, Jd (Jakob) | | GTP | 1753 | 1753 | Gn Open 2013 - Sec A Rating 1400 Above | 5 | 2013-10-26 | S | W | 1 | 0.92 | 0.08 | 1.3 | 0.08 | 0.92 | 18.4 |
