| Jul 8, 2026 | Boettcher | 0–1 | Stern | Round 3: Boettcher, Frank, Dr. - Stern, Robert | Queen's Gambit Accepted: Mannheim Variation | |
| Jul 7, 2026 | Kliewe | ½–½ | Boettcher | Round 2: Kliewe, Hans-Juergen - Boettcher, Frank, Dr. | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | |
| Jul 10, 2025 | Schmidt | 1–0 | Boettcher | Round 4: Schmidt, Joerg, Prof. Dr. - Boettcher, Frank, Dr. | English Opening: Agincourt Defense, Keres Defense | |
| Jul 9, 2025 | Boettcher | ½–½ | Kolthoff | Round 3: Boettcher, Frank, Dr. - Kolthoff, Siegmund | English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense | |
| Jul 7, 2025 | Boettcher | ½–½ | Fischer | Round 1: Boettcher, Frank, Dr. - Fischer, Emil | Dutch Defense: Queen's Knight Variation | |
| May 3, 2025 | Boettcher | ½–½ | John | Round 4: Boettcher, Frank, Dr. - John, Alexander | Rat Defense: English Rat | |
| May 3, 2025 | Dodul | 1–0 | Boettcher | Round 3: Dodul, Arthur - Boettcher, Frank, Dr. | Scandinavian Defense: Marshall Variation | |
| May 2, 2025 | Boettcher | ½–½ | Pfau | Round 1: Boettcher, Frank, Dr. - Pfau, Beate | King's Indian Defense: Makogonov Variation | |
| May 2, 2025 | Abed | 0–1 | Boettcher | Round 2: Abed, David - Boettcher, Frank, Dr. | Zukertort Opening: Reversed Grünfeld | |
| Jul 7, 2024 | Domsgen | 1–0 | Boettcher | Round 7: Domsgen, Bernd - Boettcher, Frank, Dr. | Scandinavian Defense: Marshall Variation | |
| Jul 6, 2024 | Boettcher | 1–0 | Kalkmann | Round 6: Boettcher, Frank, Dr. - Kalkmann, Hans | Queen's Gambit Declined: Orthodox Defense, Bd3 Line | |
| Jul 5, 2024 | Niebuhr | ½–½ | Boettcher | Round 5: Niebuhr, Gerd - Boettcher, Frank, Dr. | Queen's Gambit Declined: Harrwitz Attack, Fianchetto Defense | |
| Jul 4, 2024 | Boettcher | ½–½ | Mikolajewski | Round 4: Boettcher, Frank, Dr. - Mikolajewski, Armin | Queen's Gambit Declined: Traditional Variation | |
| Jul 2, 2024 | Boettcher | 0–1 | Erler | Round 2: Boettcher, Frank, Dr. - Erler, Rainer | Queen's Pawn Game: Krause Variation | |
| Jul 1, 2024 | Ruether | ½–½ | Boettcher | Round 1: Ruether, Rudolf - Boettcher, Frank, Dr. | Zukertort Opening: Queen's Gambit Invitation | |
| Nov 17, 2024 | Kesselhut | 1–0 | Boettcher | Round 4: Kesselhut, Pascal - Boettcher, Frank, Dr. | King's Pawn Game | |
| Nov 16, 2024 | Boettcher | 1–0 | Rack | Round 3: Boettcher, Frank, Dr. - Rack, Bruno | Indian Defense: Anti-Nimzo-Indian | |
| Nov 16, 2024 | Kloth | ½–½ | Boettcher | Round 2: Kloth, Henri - Boettcher, Frank, Dr. | Scandinavian Defense: Richter Variation | |
| Nov 15, 2024 | Boettcher | ½–½ | Wohlrabe | Round 1: Boettcher, Frank, Dr. - Wohlrabe, Joerg | Modern Defense: Averbakh System | |