| Apr 6, 2025 | Cordts | 0–1 | Heinbuch | Round 9: Cordts, Ingo - Heinbuch, Detlef Ulrich | Bogo-Indian Defense: Retreat Variation | |
| Apr 5, 2025 | Heinbuch | ½–½ | Loew | Round 8: Heinbuch, Detlef Ulrich - Loew, Gerald | Zukertort Opening: Reversed Grünfeld | |
| Apr 4, 2025 | Schneider-Zinner | ½–½ | Heinbuch | Round 7: Schneider-Zinner, Harald - Heinbuch, Detlef Ulrich | Indian Defense | |
| Apr 3, 2025 | Heinbuch | 1–0 | Mueller | Round 6: Heinbuch, Detlef Ulrich - Mueller, Michael | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Apr 2, 2025 | Freundorfer | 0–1 | Heinbuch | Round 5: Freundorfer, Josef - Heinbuch, Detlef Ulrich | Rapport-Jobava System | |
| Mar 31, 2025 | Hafner | ½–½ | Heinbuch | Round 3: Hafner, Robert - Heinbuch, Detlef Ulrich | Indian Defense: Spielmann-Indian | |
| Mar 30, 2025 | Heinbuch | ½–½ | Wegemund | Round 2: Heinbuch, Detlef Ulrich - Wegemund, Hubert | English Opening: Agincourt Defense | |
| Mar 29, 2025 | Miller | 0–1 | Heinbuch | Round 1: Miller, Klaus - Heinbuch, Detlef Ulrich | Sicilian Defense: Alapin Variation | |
| Apr 14, 2024 | Luciani | ½–½ | Heinbuch | Round 9: Luciani, Carlo - Heinbuch, Detlef Ulrich | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Apr 13, 2024 | Heinbuch | 1–0 | Pruefer | Round 8: Heinbuch, Detlef Ulrich - Pruefer, Friedbert, Prof. Dr. | English Opening: Drill Variation | |
| Apr 12, 2024 | Schneider-Zinner | ½–½ | Heinbuch | Round 7: Schneider-Zinner, Harald - Heinbuch, Detlef Ulrich | Benoni Defense: Semi-Benoni | |
| Apr 11, 2024 | Heinbuch | ½–½ | Belke | Round 6: Heinbuch, Detlef Ulrich - Belke, Frank, Dr. | English Opening: King's English Variation, Taimanov Variation | |
| Apr 10, 2024 | Kannenberg | 0–1 | Heinbuch | Round 5: Kannenberg, Karl-Heinz - Heinbuch, Detlef Ulrich | Queen's Pawn Game: Barry Attack | |
| Apr 9, 2024 | Heinbuch | 1–0 | Mueller | Round 4: Heinbuch, Detlef Ulrich - Mueller, Michael | English Opening: Agincourt Defense, Bogoljubow Defense | |
| Apr 8, 2024 | Jahn | ½–½ | Heinbuch | Round 3: Jahn, Peter - Heinbuch, Detlef Ulrich | Benoni Defense: Old Benoni | |
| Apr 7, 2024 | Heinbuch | 1–0 | Schoengart | Round 2: Heinbuch, Detlef Ulrich - Schoengart, Ralf | English Opening: Anglo-Indian Defense, Queen's Knight Variation | |
| Apr 6, 2024 | Buese | 0–1 | Heinbuch | Round 1: Buese, Ralf - Heinbuch, Detlef Ulrich | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
