| 1794.7 | 1785 | 20 | 20 | Willenberg, KS (Kenneth Sean) | CM | WCT | 1949.9 | 1996.9 | Steinitz Festival 2025 (Blitz) | 5 | 2025-03-14 | B | B | 0 | 0.28 | -0.28 | -1 | 0.21 | -0.21 | -4.2 |
| 1790.5 | 1767.9 | 20 | 20 | Willenberg, KS (Kenneth Sean) | CM | WCT | 1938.1 | 1940.3 | Cape Town Masters Challenge 2025 (Blitz) | 4 | 2025-01-09 | B | W | 0 | 0.37 | -0.37 | -1.7 | 0.34 | -0.34 | -6.8 |
| 1773.3 | 1845.7 | 20 | 20 | Willenberg, KS (Kenneth) | CM | WCT | 1883.8 | 2011.2 | Courtrai Midas Rapid 2023 (Open) | 5 | 2023-03-04 | R | B | 0 | 0.33 | -0.33 | -2.3 | 0.27 | -0.27 | -5.4 |
| 1783.1 | 1768.9 | 20 | 20 | Willenberg, KS (Kenneth) | CM | WCT | 2021.4 | 2005.3 | Drakenstein Pioneers Inaugural 2020 (A) | 5 | 2020-03-14 | S | W | 0 | 0.26 | -0.26 | -4.3 | 0.27 | -0.27 | -5.4 |
| 1833.6 | 1858.4 | 20 | 20 | Willenberg, KS (Kenneth) | CM | WCT | 1942.9 | 1985.8 | Condorgreen Mitchell`s Plain Chess Open Tournament 2019 | 8 | 2019-06-02 | R | B | 0 | 0.33 | -0.33 | -3.6 | 0.31 | -0.31 | -6.2 |
| 1856.3 | 1839 | 20 | 20 | Willenberg, KS (Kenneth) | CM | WCT | 1955.4 | 1971.3 | West Coast Open 2019 (A) | 3 | 2019-04-27 | S | W | 0.5 | 0.43 | 0.07 | 1.3 | 0.39 | 0.11 | 2.2 |
| 1860 | 1899 | 20 | 20 | Willenberg, KS (Kenneth) | CM | WCT | 1962.1 | 2031.4 | Paul Roos Blitz 2019 | 8 | 2019-02-23 | B | W | 0 | 0.42 | -0.42 | -1.5 | 0.39 | -0.39 | -7.8 |
| 1833.2 | 1837.3 | 20 | 20 | Willenberg, KS (Kenneth) | CM | WCT | 1974.3 | 2038.4 | Graham Solomon Memorial 2018 (Rapid) | 5 | 2018-11-24 | R | W | 1 | 0.38 | 0.62 | 7.4 | 0.31 | 0.69 | 13.8 |
| 1833.2 | 1836.4 | 20 | 20 | Willenberg, KS (Kenneth) | CM | WCT | 1974.3 | 2052 | Graham Solomon Memorial 2018 (Blitz) | 5 | 2018-11-25 | B | B | 0 | 0.29 | -0.29 | -1.4 | 0.21 | -0.21 | -4.2 |
| 1716 | 1716 | 20 | 20 | Willenberg, Ks (Kenneth) | | WP | 1963 | 1963 | Steinitz Chess Festival 2016 (Elite) | 6 | 2016-04-24 | S | W | 0 | 0.19 | -0.19 | -3.8 | -0.19 | 0.19 | 3.8 |
| 1713 | 1713 | 20 | 20 | Willenberg, Ks (Kenneth) | | WP | 2089 | 2089 | South African Open Chess Championship 2012 (Blitz Championship) | 3 | 2012-06-04 | B | W | 0 | 0.1 | -0.1 | -0.4 | -0.1 | 0.1 | 2 |
