| Jan 1, 2024 | Michel Loheide | 1–0 | Walter Grosser | Round 21: Michel Loheide - Walter Grosser | King's Indian Defense: Fianchetto Variation, Carlsbad Variation | |
| Jan 1, 2024 | Pascal Berkle | ½–½ | Walter Grosser | Round 20: Pascal Berkle - Walter Grosser | Nimzo-Larsen Attack: Indian Variation | |
| Jan 1, 2024 | Walter Grosser | 1–0 | Dennis Aengenheister | Round 19: Walter Grosser - Dennis Aengenheister | Dutch Defense: Queen's Knight Variation | |
| Jan 1, 2024 | Fatmir Haskaj | 1–0 | Walter Grosser | Round 18: Fatmir Haskaj - Walter Grosser | Scandinavian Defense: Mieses-Kotroc Variation | |
| Jan 1, 2024 | Walter Grosser | 1–0 | Alexander | Round 17: Walter Grosser - Alexander, Prof. Dr. Ivanov | English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense | |
| Jan 1, 2024 | Walter Grosser | 1–0 | Nikita Kantor | Round 16: Walter Grosser - Nikita Kantor | Queen's Gambit Accepted | |
| Jan 1, 2024 | Marc Richters | 1–0 | Walter Grosser | Round 15: Marc Richters - Walter Grosser | Scandinavian Defense | |
| Jan 1, 2024 | Walter Grosser | 1–0 | Jeremy Jäger | Round 14: Walter Grosser - Jeremy Jäger | Queen's Gambit Declined: Albin Countergambit, Normal Line | |
| Jan 1, 2024 | Stefan Rettenbacher | 1–0 | Walter Grosser | Round 13: Stefan Rettenbacher - Walter Grosser | King's Indian Defense: Fianchetto Variation, Uhlmann-Szabo System | |
| Jan 1, 2024 | Walter Grosser | 0–1 | Severin Paul Höfer | Round 12: Walter Grosser - Severin Paul Höfer | Queen's Gambit Declined: Neo-Orthodox Variation, Main Line | |
| Jan 1, 2024 | Walter Grosser | 0–1 | Ralph Blasek | Round 11: Walter Grosser - Ralph Blasek | Slav Defense: Chebanenko Variation | |
| Jan 1, 2024 | Jonas Markgraf | ½–½ | Walter Grosser | Round 10: Jonas Markgraf - Walter Grosser | Scandinavian Defense: Gubinsky-Melts Defense | |
| Jan 1, 2024 | Olaf Arndt | 1–0 | Walter Grosser | Round 9: Olaf Arndt - Walter Grosser | Scandinavian Defense: Gubinsky-Melts Defense | |
| Jan 1, 2024 | Walter Grosser | ½–½ | Marco Held | Round 8: Walter Grosser - Marco Held | Rat Defense: English Rat | |
| Jan 1, 2024 | Cem Celik | 0–1 | Walter Grosser | Round 7: Cem Celik - Walter Grosser | King's Indian Attack: Wahls Defense | |
| Jan 1, 2024 | Walter Grosser | 0–1 | Sidney Panjer | Round 6: Walter Grosser - Sidney Panjer | Mexican Defense | |
| Jan 1, 2024 | Julian-Frank Reuter | 1–0 | Walter Grosser | Round 5: Julian-Frank Reuter - Walter Grosser | King's Indian Attack: Symmetrical Defense | |
| Jan 1, 2024 | Walter Grosser | 1–0 | Raul Hamburger | Round 4: Walter Grosser - Raul Hamburger | King's Indian Defense: Smyslov Variation | |
| Jan 1, 2024 | Uwe Wlaschny | 0–1 | Walter Grosser | Round 3: Uwe Wlaschny - Walter Grosser | Scandinavian Defense: Gubinsky-Melts Defense | |
| Jan 1, 2024 | Walter Grosser | 0–1 | Sviatoslav Sunko | Round 2: Walter Grosser - Sviatoslav Sunko | Nimzo-Indian Defense: Classical Variation, Noa Variation | |
| Jan 1, 2024 | Armin Taban | 0–1 | Walter Grosser | Round 1: Armin Taban - Walter Grosser | Scandinavian Defense | |
| Dec 30, 2023 | Walter Grosser | 0–1 | Philipp Ye | Round 7: Walter Grosser - Philipp Ye | Nimzo-Indian Defense: Classical Variation, Noa Variation | |
| Dec 30, 2023 | Fabian Skoerys | 1–0 | Walter Grosser | Round 6: Fabian Skoerys - Walter Grosser | Scandinavian Defense: Gubinsky-Melts Defense | |
| Dec 29, 2023 | Walter Grosser | ½–½ | Lucas Jovanovic | Round 5: Walter Grosser - Lucas Jovanovic | English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense | |
| Dec 29, 2023 | Richard Zahn | ½–½ | Walter Grosser | Round 4: Richard Zahn - Walter Grosser | Bird Opening: Dutch Variation | |
| Dec 28, 2023 | Walter Grosser | 1–0 | Giovanni Van Basten | Round 3: Walter Grosser - Giovanni Van Basten | Queen's Gambit Declined: Neo-Orthodox Variation, Main Line | |
| Dec 28, 2023 | Tim Helwig | ½–½ | Walter Grosser | Round 2: Tim Helwig - Walter Grosser | Scandinavian Defense: Gubinsky-Melts Defense | |
| Dec 27, 2023 | Walter Grosser | 1–0 | André Hofmann | Round 1: Walter Grosser - André Hofmann | Dutch Defense: Queen's Knight Variation | |
| Aug 6, 2023 | Walter Grosser | 0–1 | Yaroslav Bilenko | Round 9: Walter Grosser - Yaroslav Bilenko | Nimzo-Indian Defense: Classical Variation | |
| Aug 6, 2023 | Marcus | 0–1 | Walter Grosser | Round 8: Marcus, Dr. ter Steeg - Walter Grosser | King's Indian Defense: Orthodox Variation | |
| Aug 5, 2023 | Walter Grosser | 0–1 | Julian-Frank Reuter | Round 7: Walter Grosser - Julian-Frank Reuter | Slav Defense: Exchange Variation | |
| Aug 5, 2023 | Walter Grosser | ½–½ | Jan Vortmeier | Round 6: Walter Grosser - Jan Vortmeier | English Opening: Symmetrical Variation, Anti-Benoni Variation | |
| Aug 4, 2023 | Jan Lueersen | 0–1 | Walter Grosser | Round 5: Jan Lueersen - Walter Grosser | Scandinavian Defense: Mieses-Kotroc Variation | |
| Aug 4, 2023 | Walter Grosser | 1–0 | Henryk Kasprowski | Round 4: Walter Grosser - Henryk Kasprowski | King's Indian Defense: Smyslov Variation | |
| Aug 3, 2023 | Sidney Panjer | 1–0 | Walter Grosser | Round 3: Sidney Panjer - Walter Grosser | King's Indian Defense: Orthodox Variation | |
| Aug 3, 2023 | Walter Grosser | 1–0 | Arndt Henning Ziegler | Round 2: Walter Grosser - Arndt Henning Ziegler | Queen's Gambit Accepted | |
| Aug 2, 2023 | Julia Marie Junge | 0–1 | Walter Grosser | Round 1: Julia Marie Junge - Walter Grosser | Scandinavian Defense: Gubinsky-Melts Defense | |
| Jun 24, 2023 | Walter Grosser | * | Robert Prieb | Round 1: Walter Grosser - Robert Prieb | ? | |
