| 2149.6 | 2155.6 | 20 | 20 | Mthunzi, B (Brighton) | | GE | 1987.3 | 1977.7 | 2023 Woman's Day Open Chess Tournament (Prestige) | 3 | 2023-08-09 | S | W | 1 | 0.73 | 0.27 | 4.5 | 0.75 | 0.25 | 5 |
| 2149.6 | 2155.6 | 20 | 20 | Mthunzi, B (Brighton) | | GE | 1987.3 | 1977.7 | Chess Power House 2023 (Invitational) | 5 | 2023-08-20 | S | W | 0.5 | 0.73 | -0.23 | -3.8 | 0.75 | -0.25 | -5 |
| 2151.1 | 2167.8 | 20 | 20 | Mthunzi, B (Brighton) | | GE | 2020.6 | 2029 | Chess Power House 2019 (A) | 1 | 2019-08-22 | S | B | 1 | 0.61 | 0.39 | 7.3 | 0.62 | 0.38 | 7.6 |
| 2152.2 | 2172 | 20 | 20 | Mthunzi, B (Brighton) | | GE | 2043.8 | 2053 | Ehlanzeni Open 2019 (A) | 2 | 2019-07-19 | S | W | 0.5 | 0.67 | -0.17 | -3.4 | 0.68 | -0.18 | -3.6 |
| 2152.2 | 2172 | 20 | 20 | Mthunzi, B (Brighton) | | GE | 2043.8 | 2053 | Piet van Zyl Chess Festival 2019 (A) | 5 | 2019-07-14 | S | B | 1 | 0.58 | 0.42 | 8.4 | 0.6 | 0.4 | 8 |
| 2168.4 | 2182.4 | 20 | 20 | Mthunzi, B (Brighton) | | GE | 2012.9 | 2019.3 | South African Open Chess Championships 2019 (A) | 8 | 2019-06-21 | S | B | 0 | 0.64 | -0.64 | -12.8 | 0.65 | -0.65 | -13 |
| 2168.4 | 2147.2 | 20 | 20 | Mthunzi, B (Brighton) | | GE | 2012.9 | 2023.2 | One Saturday Chess Tournament 2019 (A) | 5 | 2019-06-29 | R | B | 0.5 | 0.64 | -0.14 | -1.5 | 0.6 | -0.1 | -2 |
| 2154.2 | 2140.4 | 20 | 20 | Mthunzi, B (Brighton) | | GE | 2055.8 | 2074.8 | 6th Piet van Zyl Tournament 2018 (A) | 4 | 2018-12-01 | S | B | 1 | 0.57 | 0.43 | 8.6 | 0.53 | 0.47 | 9.4 |
| 2154.2 | 2214.4 | 20 | 20 | Mthunzi, B (Brighton) | | GE | 2055.8 | 2046.6 | South African Junior Blitz 2018 (Open) | 6 | 2018-12-19 | B | B | 0.5 | 0.57 | -0.07 | -0.3 | 0.65 | -0.15 | -3 |
| 2157.6 | 2143.1 | 20 | 20 | Mthunzi, B (Brighton) | | GE | 2051 | 2071.4 | Limpopo Open Chess Championship 2018 (A) | 5 | 2018-11-18 | S | W | 0.5 | 0.67 | -0.17 | -2.9 | 0.63 | -0.13 | -2.6 |
| 2167 | 2165.4 | 20 | 20 | Mthunzi, B (Brighton) | | GE | 2036.7 | 2068.2 | Lowveld Open 2018 (A) | 5 | 2018-07-28 | S | W | 1 | 0.69 | 0.31 | 5.2 | 0.65 | 0.35 | 7 |
| 2171.3 | 2169.7 | 20 | 20 | Mthunzi, B (Brighton) | | GE | 2024.6 | 2056.8 | Primrose Chess Club Open 2018 (A) | 3 | 2018-06-02 | S | B | 0.5 | 0.63 | -0.13 | -2.2 | 0.59 | -0.09 | -1.8 |
| 2201.9 | 2205.8 | 20 | 20 | Mthunzi, B (Brighton) | | GE | 2050.6 | 2037.4 | SWVG Arnold Classic Rapid & Blitz 2018 (Blitz Prestige) | 4 | 2018-05-19 | B | W | 1 | 0.72 | 0.28 | 1 | 0.74 | 0.26 | 5.2 |
| 2228.7 | 2219.5 | 20 | 20 | Mthunzi, B (Brighton) | | GE | 2036.2 | 2031.6 | Umhlanga Invitational 2018 | 8 | 2018-03-11 | S | W | 1 | 0.77 | 0.23 | 4.6 | 0.76 | 0.24 | 4.8 |
| 2214.2 | 2202.4 | 20 | 20 | Mthunzi, B (Brighton) | | GE | 2036.9 | 2032 | 2018 Blou Bul Open (A) | 5 | 2018-02-17 | S | W | 0.5 | 0.75 | -0.25 | -4.1 | 0.74 | -0.24 | -4.8 |
| 2214.2 | 2202.4 | 20 | 20 | Mthunzi, B (Brighton) | | GE | 2036.9 | 2032 | Brakpan Open 2018 (A) | 4 | 2018-02-24 | S | B | 0.5 | 0.66 | -0.16 | -2.7 | 0.66 | -0.16 | -3.2 |
| 2090 | 2090 | 20 | 20 | Mthunzi, B (Brighton) | | GTP | 2000 | 2000 | 2017 Kcf Africa Team Chess Invitational | 4 | 2017-10-07 | S | B | 1 | 0.62 | 0.38 | 7.6 | 0.38 | 0.62 | 12.4 |
| 2125 | 2125 | 20 | 20 | Mthunzi, B (Brighton) | | GTP | 2005 | 2005 | 2017 Kzn Open (A) | 7 | 2017-04-30 | S | W | 0 | 0.66 | -0.66 | -12.4 | -0.66 | 0.66 | 13.2 |
| 2079 | 2079 | 20 | 20 | Mthunzi, B (Brighton) | | GTP | 1979 | 1979 | 2017 Kzn Blitz Championship | 9 | 2017-04-29 | S | W | 1 | 0.64 | 0.36 | 6 | 0.36 | 0.64 | 12.8 |
| 2106 | 2106 | 20 | 20 | Mthunzi, B (Brighton) | | GTP | 2015 | 2015 | 2017 Pss + Jnw Classic (A) | 4 | 2017-04-22 | S | W | 0.5 | 0.62 | -0.12 | -2.1 | -0.12 | 0.62 | 12.4 |
| 2098 | 2098 | 20 | 20 | Mthunzi, B (Brighton) | | GTP | 2009 | 2009 | Ekurhuleni Open Springs (Hts) | 6 | 2017-03-25 | S | W | 1 | 0.62 | 0.38 | 6.3 | 0.38 | 0.62 | 12.4 |
| 2120 | 2120 | 20 | 20 | Mthunzi, B (Brighton) | | GTP | 1958 | 1958 | South African Inter Regional Championships 2016 | 4 | 2016-12-21 | S | B | 0 | 0.71 | -0.71 | -14.2 | -0.71 | 0.71 | 14.2 |
| 2102 | 2102 | 20 | 20 | Mthunzi, B (Brighton) | | GJM | 1959 | 1959 | Iqwana Chess Challenge 2016 | 5 | 2016-09-07 | S | B | 1 | 0.69 | 0.31 | 5.1 | 0.31 | 0.69 | 13.8 |
| 2050 | 2050 | 20 | 20 | Mthunzi, B (Brighton) | | GJM | 1970 | 1970 | 2016 Pss Prestige Rapid | 10 | 2016-04-24 | R | W | 1 | 0.61 | 0.39 | 5.1 | 0.39 | 0.61 | 12.2 |
| 1942 | 1942 | 20 | 20 | Mthunzi, B (Brighton) | | GJM | 2034 | 2034 | 2015 Iqwana Blitz Challenge | 5 | 2015-08-09 | B | W | 1 | 0.37 | 0.63 | 2.3 | 0.63 | 0.37 | 7.4 |
| 2056 | 2056 | 20 | 20 | Mthunzi, B (Brighton) | | GJM | 2034 | 2034 | 2015 2Nd Mandela 67 Minutes | 5 | 2015-07-26 | S | B | 0.5 | 0.53 | -0.03 | -0.5 | -0.03 | 0.53 | 10.6 |
| 2051 | 2051 | 20 | 20 | Mthunzi, B (Brighton) | | GJM | 2035 | 2035 | Bryanston Primary Jhb South Tournament (A) | 3 | 2015-06-20 | S | B | 0.5 | 0.52 | -0.02 | -0.3 | -0.02 | 0.52 | 10.4 |
| 1940 | 1940 | 20 | 20 | Mthunzi, B (Brighton) | | GJM | 2001 | 2001 | 2014 Max Euwe Memorial Swiss | 6 | 2014-05-04 | S | W | 1 | 0.42 | 0.58 | 9.6 | 0.58 | 0.42 | 8.4 |
| 1394 | 1394 | 20 | 20 | Mthunzi, B (Brighton) | | GW | 2087 | 2087 | Fairland A Section | 2 | 2013-02-16 | R | W | 1 | 0.01 | 0.99 | 11.9 | 0.99 | 0.01 | 0.2 |
