| Koenig, Friedrich Theodor1833 | 1-0 | Brouer, P2026 | 10th Vellmar Open 2018 | 2018 |
| Werner, Mart2018 | ½-½ | Koenig, Friedrich Theodor1833 | 10th Vellmar Open 2018 | 2018 |
| Koenig, Friedrich Theodor1833 | ½-½ | Weiss, J2145 | 10th Vellmar Open 2018 | 2018 |
| Kroemer, Alexander1564 | 0-1 | Koenig, Friedrich Theodor1833 | 10th Vellmar Open 2018 | 2018 |
| Koenig, Friedrich Theodor1833 | 1-0 | Kuschel, Heidi1734 | 10th Vellmar Open 2018 | 2018 |
| Koronowski, Heinz-Juergen1759 | ½-½ | Koenig, Friedrich Theodor1833 | 10th Vellmar Open 2018 | 2018 |
| Koenig, Friedrich Theodor1833 | 0-1 | Wenninger, P2371 | 10th Vellmar Open 2018 | 2018 |
| Koenig, Friedrich Theodor1805 | 0-1 | Schnegelsberg, K1990 | 8th Vellmar Open 2016 | 2016 |
| Schirra, Maurice1947 | ½-½ | Koenig, Friedrich Theodor1805 | 8th Vellmar Open 2016 | 2016 |
| Koenig, Friedrich Theodor1805 | 0-1 | Kiesel, H2074 | 8th Vellmar Open 2016 | 2016 |
| Schindelmeiser, Frank2000 | 0-1 | Koenig, Friedrich Theodor1805 | 8th Vellmar Open 2016 | 2016 |
| Koenig, Friedrich Theodor1805 | 1-0 | Reitz, Philipp1924 | 8th Vellmar Open 2016 | 2016 |
| Koch, Yannick1930 | ½-½ | Koenig, Friedrich Theodor1805 | 8th Vellmar Open 2016 | 2016 |
| Koenig, Friedrich Theodor1805 | 0-1 | Doerge, S2039 | 8th Vellmar Open 2016 | 2016 |
| Hansult, M1950 | ½-½ | Koenig, Friedrich Theodor1730 | 7th Vellmar Open 2015 | 2015 |