| 1417.7 | 1431.9 | 20 | 20 | Jacobs, KT (Kevin) | | ENM | 1821.7 | 1825.1 | Uitenhage Chess Club Grand Prix 2023 (A) | 5 | 2023-08-26 | S | B | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1483.7 | 1499.5 | 20 | 20 | Jacobs, KT (Kevin) | | ENM | 1853 | 1867.8 | 2020 NMBCU Chess Trial 1 (U20+Open) | 3 | 2020-02-08 | S | B | 0 | 0.03 | -0.03 | -0.5 | 0.03 | -0.03 | -0.6 |
| 1488.5 | 1508.1 | 20 | 20 | Jacobs, KT (Kevin) | | ENM | 1849.8 | 1866.3 | PE Chess Club Open 2019 (A) | 2 | 2019-10-12 | S | B | 0 | 0.04 | -0.04 | -0.8 | 0.04 | -0.04 | -0.8 |
| 1544.5 | 1549.6 | 20 | 20 | Jacobs, KT (Kevin) | | ENM | 1900.8 | 1913.8 | PECC Club Championships 2019 (Championship) | 2 | 2019-07-06 | S | W | 0 | 0.13 | -0.13 | -2.4 | 0.12 | -0.12 | -2.4 |
| 1553.5 | 1559.4 | 20 | 20 | Jacobs, KT (Kevin) | | ENM | 1881.4 | 1893.6 | King Cars PECC Grand Prix Third Leg 2019 | 4 | 2019-05-04 | S | W | 0 | 0.16 | -0.16 | -3 | 0.15 | -0.15 | -3 |
| 1606.6 | 1614.9 | 20 | 20 | Jacobs, KT (Kevin) | | ENM | 1868.8 | 1879.9 | PE Chess Club Open 2018 (A) | 2 | 2018-09-22 | S | W | 0 | 0.24 | -0.24 | -4.6 | 0.23 | -0.23 | -4.6 |
| 1633.3 | 1642.5 | 20 | 20 | Jacobs, KT (Kevin) | | ENM | 1927.6 | 1932.2 | PECC Club Championships 2018 (A) | 5 | 2018-08-30 | S | W | 0.5 | 0.2 | 0.3 | 5.7 | 0.2 | 0.3 | 6 |
| 1766.8 | 1789.7 | 20 | 20 | Jacobs, KT (Kevin) | | ENM | 1905.5 | 1905.4 | King Cars PECC Grand Prix First Leg 2018 | 5 | 2018-03-10 | S | W | 0 | 0.38 | -0.38 | -7.1 | 0.41 | -0.41 | -8.2 |
| 1448 | 1448 | 20 | 20 | Jacobs, Kt (Kevin) | | ENM | 1860 | 1860 | Kings Cars Pe Chess Club Grand Prix 2017 - Tournament 2 | 2 | 2017-05-12 | S | W | 0 | 0.07 | -0.07 | -1.2 | -0.07 | 0.07 | 1.4 |
| 1456 | 1456 | 20 | 20 | Jacobs, Kt (Kevin) | | ENM | 1825 | 1825 | Springbok Cup 2017 | 4 | 2017-02-16 | S | W | 0 | 0.1 | -0.1 | -1.7 | -0.1 | 0.1 | 2 |
| 1508 | 1508 | 20 | 20 | Jacobs, Kt (Kevin) | | ENM | 1750 | 1750 | Pecc Grand Prix 2016 Tournament 1 | 5 | 2016-03-19 | S | B | 0 | 0.2 | -0.2 | -3.4 | -0.2 | 0.2 | 4 |
| 1508 | 1508 | 20 | 20 | Jacobs, Kt (Kevin) | | EBC | 1732 | 1732 | Pecc Grand Prix 5 (A) | 5 | 2015-10-04 | S | B | 0 | 0.22 | -0.22 | -4.1 | -0.22 | 0.22 | 4.4 |
