| 2088.4 | 2092.4 | 20 | 20 | Willenberg, KS (Kenneth Sean) | CM | WCT | 1981.6 | 2002.5 | Bellville Rapid 2025 (A) | 4 | 2025-06-07 | R | B | 0.5 | 0.58 | -0.08 | -0.8 | 0.56 | -0.06 | -1.2 |
| 2087.5 | 2067.6 | 20 | 20 | Willenberg, KS (Kenneth Sean) | CM | WCT | 1938.1 | 1940.3 | Cape Town Masters Challenge 2025 (Blitz) | 7 | 2025-01-09 | B | B | 0 | 0.63 | -0.63 | -2.9 | 0.61 | -0.61 | -12.2 |
| 2064.4 | 2064.3 | 20 | 20 | Willenberg, KS (Kenneth) | CM | WCT | 1843.3 | 1930.4 | GPCA Rapid 2023 (Championship) | 7 | 2023-06-24 | R | W | 0 | 0.8 | -0.8 | -8.6 | 0.7 | -0.7 | -14 |
| 2092.8 | 2091.7 | 20 | 20 | Willenberg, KS (Kenneth) | CM | WCT | 1883.8 | 2011.2 | Casuarina International 2023 (Rapid) | 3 | 2023-03-12 | R | B | 0.5 | 0.7 | -0.2 | -2.6 | 0.55 | -0.05 | -1 |
| 2092.8 | 2108.3 | 20 | 20 | Willenberg, KS (Kenneth) | CM | WCT | 1883.8 | 2030.6 | Casuarina International 2023 (Blitz) | 3 | 2023-03-11 | B | B | 0 | 0.7 | -0.7 | -2.5 | 0.55 | -0.55 | -11 |
| 2092.8 | 2091.7 | 20 | 20 | Willenberg, KS (Kenneth) | CM | WCT | 1883.8 | 2011.2 | Courtrai Midas Rapid 2023 (Open) | 3 | 2023-03-04 | R | W | 1 | 0.79 | 0.21 | 1.5 | 0.64 | 0.36 | 7.2 |
| 2065 | 2107.8 | 20 | 20 | Willenberg, KS (Kenneth) | CM | WCT | 1979.3 | 1975.5 | WP Closed 2022 (A) | 4 | 2022-06-16 | S | W | 1 | 0.64 | 0.36 | 7.2 | 0.7 | 0.3 | 6 |
| 2111.8 | 2116.5 | 20 | 20 | Willenberg, KS (Kenneth) | CM | WCT | 1964 | 2006.8 | Courtrai Young Master Festival 2019 (Open) | 3 | 2019-03-02 | R | W | 0.5 | 0.71 | -0.21 | -2.3 | 0.67 | -0.17 | -3.4 |
| 2117.1 | 2158.7 | 20 | 20 | Willenberg, KS (Kenneth) | CM | WCT | 1974.3 | 2052 | Graham Solomon Memorial 2018 (Blitz) | 3 | 2018-11-25 | B | B | 0 | 0.62 | -0.62 | -3.1 | 0.58 | -0.58 | -11.6 |
| 2154 | 2154 | 20 | 20 | Willenberg, Ks (Kenneth) | | WP | 2089 | 2089 | 1St Steinitz Chess Club Blitz 2016 | 6 | 2016-06-20 | B | W | 1 | 0.59 | 0.41 | 1.5 | 0.41 | 0.59 | 11.8 |
| 2010 | 2010 | 20 | 20 | Willenberg, Ks (Kenneth) | | WP | 1984 | 1984 | Steinitz Chess Festival 2015 (Elite) | 2 | 2015-09-24 | S | W | 1 | 0.54 | 0.46 | 9.2 | 0.46 | 0.54 | 10.8 |
| 2035 | 2035 | 20 | 20 | Willenberg, Ks (Kenneth) | | WP | 2095 | 2095 | Western Province Individual Blitz Championship2013 | 5 | 2013-11-21 | B | W | 0.5 | 0.42 | 0.08 | 0.3 | 0.08 | 0.42 | 8.4 |
| 2001 | 2001 | 20 | 20 | Willenberg, Ks (Kenneth) | | WP | 2050 | 2050 | Oudtshoorn Open 2013 (Seniors) | 7 | 2013-06-23 | S | W | 0 | 0.43 | -0.43 | -8.1 | -0.43 | 0.43 | 8.6 |
| 1964 | 1964 | 20 | 20 | Willenberg, Ks (Kenneth) | | WP | 2137 | 2137 | Mrl Chess Paradigm 2012 | 7 | 2012-10-29 | R | B | 0 | 0.27 | -0.27 | -4 | -0.27 | 0.27 | 5.4 |
