| 2087.1 | 2110.5 | 20 | 20 | Mnguni, JD (Jakob Dumisani) | PM | GTP | 2164.8 | 2178.2 | MCA Welcome JHB 2026 (Expert) | 5 | 2026-02-07 | S | W | 1 | 0.45 | 0.55 | 6.2 | 0.46 | 0.54 | 7.4 |
| 2084.1 | 2102.4 | 20 | 20 | Mnguni, JD (Jakob Dumisani) | PM | GTP | 2168.3 | 2179.6 | Bojanala's Battle Of Mount Cambridge 2025 (Queens) | 4 | 2025-10-11 | S | B | 0.5 | 0.36 | 0.14 | 2.3 | 0.37 | 0.13 | 2.6 |
| 2068.4 | 2085.6 | 20 | 20 | Mnguni, JD (Jakob Dumisani) | PM | GTP | 2169 | 2180.5 | Ekurhuleni Trial 4 2025 (A) | 5 | 2025-09-21 | S | B | 1 | 0.34 | 0.66 | 11 | 0.35 | 0.65 | 13 |
| 2013.8 | 2027.6 | 20 | 20 | Mnguni, JD (Jakob Dumisani) | PM | GTP | 2172.4 | 2193.8 | Ekurhuleni Trial 2 2025 (A) | 5 | 2025-06-21 | S | B | 1 | 0.27 | 0.73 | 12.1 | 0.26 | 0.74 | 14.8 |
| 2026.2 | 2035.9 | 20 | 20 | Mnguni, JD (Jakob Dumisani) | PM | GTP | 2182.1 | 2202.3 | Mzansi Africa Classic 2025 (Expert) | 2 | 2025-05-17 | S | W | 0 | 0.36 | -0.36 | -6 | 0.35 | -0.35 | -7 |
| 2026.2 | 1200 | 20 | 20 | Mnguni, JD (Jakob Dumisani) | PM | GTP | 2182.1 | 2110.3 | Moja Chess Extravaganza 2025 (Blitz) | 5 | 2025-04-26 | B | W | 1 | 0.36 | 0.64 | 2.3 | 1.08 | 0.99 | 19.8 |
| 1961 | 1781.1 | 20 | 20 | Mnguni, JD (Jakob Dumisani) | | GTP | 2164 | 2118.9 | JMC Rapid The Bridge School 2025 (Open) | 5 | 2025-02-23 | R | B | 0.5 | 0.22 | 0.5 | 3.9 | 0.07 | 0.5 | 10 |
| 1820.4 | 1834.4 | 20 | 20 | Mnguni, JD (Jakob) | | GTP | 2182.3 | 2197.6 | Laerskool Doringkloof Primary Open Chess Tournament 2024 (A) | 5 | 2024-10-19 | S | W | 1 | 0.12 | 0.88 | 14.6 | 0.12 | 0.88 | 17.6 |
