| Sep 27, 2025 | Zimmermann | ½–½ | Seyb | Round 7: Zimmermann, Rolf - Seyb, Dieter | Queen's Gambit Declined: Chigorin Defense, Exchange Variation | |
| Sep 26, 2025 | Vatter | ½–½ | Zimmermann | Round 6: Vatter, Hans-Joachim - Zimmermann, Rolf | Scandinavian Defense: Main Line | |
| Sep 25, 2025 | Neumann | ½–½ | Zimmermann | Round 5: Neumann, Joachim - Zimmermann, Rolf | King's Indian Attack | |
| Sep 24, 2025 | Zimmermann | 0–1 | Schulz | Round 4: Zimmermann, Rolf - Schulz, Michael | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6 | |
| Sep 22, 2025 | Zimmermann | ½–½ | Waldschlaeger | Round 2: Zimmermann, Rolf - Waldschlaeger, Juergen | English Opening: Symmetrical Variation, Four Knights Variation | |
| Aug 31, 2024 | Matthey | ½–½ | Zimmermann | Round 9: Matthey, Harald - Zimmermann, Rolf | Caro-Kann Defense: Classical Variation, Flohr Variation | |
| Aug 30, 2024 | Zimmermann | ½–½ | Chevelevitch | Round 8: Zimmermann, Rolf - Chevelevitch, Evgueni, Dr. | English Opening: Symmetrical Variation, Ultra-Symmetrical Variation | |
| Aug 29, 2024 | Brueggemann | ½–½ | Zimmermann | Round 7: Brueggemann, Joachim - Zimmermann, Rolf | Scandinavian Defense: Marshall Variation | |
| Aug 27, 2024 | Zimmermann | 1–0 | Koehler | Round 5: Zimmermann, Rolf - Koehler, Gerhard, Dr. | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| Aug 26, 2024 | Kaeding | ½–½ | Zimmermann | Round 4: Kaeding, Rainer - Zimmermann, Rolf | Queen's Gambit Declined | |
| Aug 25, 2024 | Zimmermann | 1–0 | Steingrobe | Round 3: Zimmermann, Rolf - Steingrobe, Udo | English Opening: Closed, Taimanov Variation | |
| Aug 24, 2024 | Steiger | 0–1 | Zimmermann | Round 2: Steiger, Michael - Zimmermann, Rolf | English Opening: Symmetrical Variation | |
| Aug 22, 2024 | Zimmermann | 0–1 | Buchal | Round 6: Zimmermann, Rolf - Buchal, Stephan | Modern Defense: Three Pawns Attack | |
