| 1926.9 | 1931.8 | 20 | 20 | Jacobs, KT (Kevin) | | ENM | 1792.8 | 1800.1 | 2022 Nelson Mandela Bay Open (A) | 4 | 2022-01-30 | S | W | 0.5 | 0.7 | -0.2 | -4 | 0.7 | -0.2 | -4 |
| 1928.5 | 1927 | 20 | 20 | Jacobs, KT (Kevin) | | ENM | 1881.4 | 1893.6 | King Cars PECC Grand Prix Third Leg 2019 | 6 | 2019-05-04 | S | W | 0 | 0.6 | -0.6 | -11.3 | 0.58 | -0.58 | -11.6 |
| 1960.5 | 1964 | 20 | 20 | Jacobs, KT (Kevin) | | ENM | 1868.8 | 1879.9 | PE Chess Club Open 2018 (A) | 5 | 2018-09-23 | S | W | 0.5 | 0.65 | -0.15 | -2.9 | 0.64 | -0.14 | -2.8 |
| 2037.6 | 2037.6 | 20 | 20 | Jacobs, KT (Kevin) | | ENM | 1905.5 | 1905.4 | 2018 Boardwalk Pearson Open (A) | 5 | 2018-03-18 | S | B | 0 | 0.61 | -0.61 | -11.6 | 0.61 | -0.61 | -12.2 |
| 2039 | 2039 | 20 | 20 | Jacobs, Kt (Kevin) | | ENM | 1923 | 1923 | Nelson Mandela Bay Closed 2017 | 4 | 2017-08-20 | S | B | 0 | 0.66 | -0.66 | -13.2 | -0.66 | 0.66 | 13.2 |
| 1907 | 1907 | 20 | 20 | Jacobs, Kt (Kevin) | | ENM | 1881 | 1881 | Pe Chess Club Blitz Iv - 2017 | 5 | 2017-06-17 | S | B | 1 | 0.54 | 0.46 | 7.6 | 0.46 | 0.54 | 10.8 |
| 2036 | 2036 | 20 | 20 | Jacobs, Kt (Kevin) | | ENM | 1732 | 1732 | South African Open 2016 (A) | 4 | 2016-07-03 | S | W | 1 | 0.86 | 0.14 | 2.8 | 0.14 | 0.86 | 17.2 |
| 1984 | 1984 | 20 | 20 | Jacobs, Kt (Kevin) | | EBC | 1716 | 1716 | South African Open Chess Championship 2014 A-Secti | 4 | 2014-07-14 | S | W | 1 | 0.83 | 0.17 | 3.4 | 0.17 | 0.83 | 16.6 |
| 1984 | 1984 | 20 | 20 | Jacobs, Kt (Kevin) | | EBC | 1808 | 1808 | Northen Area - Open - 2013 | 2 | 2013-06-15 | S | B | 0.5 | 0.73 | -0.23 | -3.8 | -0.23 | 0.73 | 14.6 |
| 1984 | 1984 | 20 | 20 | Jacobs, Kt (Kevin) | | EBC | 1808 | 1808 | Oudtshoorn Open 2013 (Seniors) | 7 | 2013-06-23 | S | B | 1 | 0.73 | 0.27 | 5.1 | 0.27 | 0.73 | 14.6 |
