| — | Bischoff | ½–½ | Heimann | Schachbundesliga Runde 7 | Queen's Gambit Declined: Semi-Tarrasch Defense | |
| — | Bischoff | 0–1 | Ernst | 1. Bundesliga r 14/15 | English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense | |
| — | Wagner | 1–0 | Bischoff | Schachbundesliga Runde 8 | Kangaroo Defense | |
| — | Parvanyan | ½–½ | Bischoff | 1. Bundesliga r 14/15 | English Opening: Anglo-Indian Defense, Queen's Indian Formation | |
| Mar 21, 2026 | Wagner | 1–0 | Bischoff | Schachbundesliga Saison 2025/2026 | Benko Gambit Accepted: Modern Variation | |
| Feb 22, 2026 | Bischoff | 1–0 | Krasenkow | V GM Sveshnikov Evgeny rapid memorial 2026 | English Opening: King's English Variation, Reversed Sicilian | |
| Feb 22, 2026 | Estremera Panos | 0–1 | Bischoff | V GM Sveshnikov Evgeny rapid memorial 2026 | Benko Gambit Accepted: Modern Variation | |
| Feb 22, 2026 | Bischoff | ½–½ | Lobron | V GM Sveshnikov Evgeny rapid memorial 2026 | Tarrasch Defense: Two Knights Variation | |
| Feb 21, 2026 | Kengis | ½–½ | Bischoff | V GM Sveshnikov Evgeny rapid memorial 2026 | Sicilian Defense: Taimanov Variation, Szén Variation | |
| Feb 21, 2026 | Bischoff | ½–½ | Shirov | V GM Sveshnikov Evgeny rapid memorial 2026 | Tarrasch Defense: Two Knights Variation | |
| Feb 21, 2026 | Novik | ½–½ | Bischoff | V GM Sveshnikov Evgeny rapid memorial 2026 | Sicilian Defense: Kupreichik Variation | |
| Feb 21, 2026 | Dubrovin | ½–½ | Bischoff | V GM Sveshnikov Evgeny rapid memorial 2026 | Benko Gambit Accepted: Modern Variation | |
| Feb 21, 2026 | Bischoff | 1–0 | Brils | V GM Sveshnikov Evgeny rapid memorial 2026 | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Feb 21, 2026 | Ehlvest | ½–½ | Bischoff | V GM Sveshnikov Evgeny rapid memorial 2026 | Sicilian Defense: Moscow Variation, Main Line | |
| Feb 21, 2026 | Bischoff | ½–½ | Sveshnikov | V GM Sveshnikov Evgeny rapid memorial 2026 | Semi-Slav Defense: Stoltz Variation | |
| Feb 8, 2026 | Bischoff | 0–1 | Van Foreest | Bundesliga - Kirchweyhe | Queen's Gambit Declined: Vienna Variation, Quiet Variation | |
| Feb 7, 2026 | Van den Doel | ½–½ | Bischoff | Bundesliga - Kirchweyhe | Pseudo Queen's Indian Defense | |
| Dec 7, 2025 | Bischoff | ½–½ | Kocharin | Bundesliga 25/26 | Queen's Gambit Declined: Tartakower Defense | |
| Dec 6, 2025 | Roshka | 1–0 | Bischoff | Bundesliga 25/26 | Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation | |
| Sep 28, 2025 | Berelowitsch | ½–½ | Bischoff | SBL | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Sep 27, 2025 | Bischoff | ½–½ | Krastev | SBL | English Opening: Symmetrical Variation, Normal Variation | |
| Apr 27, 2025 | Wachinger | ½–½ | Bischoff | Schachbundesliga | Sicilian Defense: Moscow Variation, Main Line | |
| Apr 25, 2025 | Bischoff | ½–½ | Delchev | Schachbundesliga | English Opening: King's English Variation | |
| Apr 13, 2025 | Bischoff | ½–½ | Adams | ESTCC50 | Nimzo-Indian Defense: Normal Variation, Botvinnik System | |
| Apr 12, 2025 | Adams | 1–0 | Bischoff | ESTCC50 | Sicilian Defense: Modern Variations | |
| Apr 11, 2025 | Zych | ½–½ | Bischoff | ESTCC50 | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Apr 10, 2025 | Bischoff | 1–0 | Lalic | ESTCC50 | Tarrasch Defense: Classical Variation | |
| Apr 9, 2025 | Bischoff | 1–0 | Laszewicz | ESTCC50 | Queen's Gambit Declined: Neo-Orthodox Variation | |
| Apr 8, 2025 | Fletcher | 0–1 | Bischoff | ESTCC50 | Trompowsky Attack | |
| Apr 7, 2025 | Bischoff | 1–0 | Buckley | ESTCC50 | English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense | |
| Apr 6, 2025 | Rogowski | 0–1 | Bischoff | ESTCC50 | Queen's Indian Defense: Kasparov Variation | |
| Apr 5, 2025 | Bischoff | 0–1 | Adams | ESTCC50 | English Opening: King's English Variation, Four Knights Variation, Flexible Line | |
| Feb 26, 2025 | Ehlvest | 1–0 | Bischoff | WSTCC | Sicilian Defense: Scheveningen Variation, Classical Variation | |
| Feb 25, 2025 | Bischoff | 1–0 | Svensson | WSTCC | English Opening: Caro-Kann Defensive System | |
| Feb 24, 2025 | Lesiege | ½–½ | Bischoff | WSTCC | Benko Gambit Accepted: Fully Accepted Variation | |
| Feb 23, 2025 | Bischoff | ½–½ | Plotkin | WSTCC | Queen's Gambit Declined: Charousek Variation | |
| Feb 21, 2025 | Adams | 1–0 | Bischoff | WSTCC | Sicilian Defense: Taimanov Variation, Normal Variation | |
| Feb 20, 2025 | Gronn | ½–½ | Bischoff | WSTCC | English Opening: Anglo-Indian Defense, Old Indian Formation | |
| Feb 18, 2025 | Muir | ½–½ | Bischoff | WSTCC | Benko Gambit Accepted: Fully Accepted Variation | |
| Feb 17, 2025 | Bischoff | 1–0 | Rogowski | WSTCC | Queen's Gambit Declined: Modern Variation, Knight Defense | |
| Jan 12, 2025 | Bischoff | ½–½ | Tischbierek | Schachbundesliga 2024/2025 | Slav Defense: Steiner Variation | |
| Jan 11, 2025 | Gasthofer | ½–½ | Bischoff | Schachbundesliga 2024/2025 | English Opening: Symmetrical Variation, Hedgehog Defense | |
| Nov 28, 2024 | Bischoff | ½–½ | Georgiev | World Senior Chess Championship 2024 | English Opening: Symmetrical Variation, Rubinstein Variation | |
| Nov 27, 2024 | Holzke | ½–½ | Bischoff | World Senior Chess Championship 2024 | Sicilian Defense: Taimanov Variation, Normal Variation | |
| Nov 26, 2024 | Bischoff | 1–0 | Vinter-Schou | World Senior Chess Championship 2024 | Benko Gambit Accepted: Fully Accepted Variation | |
| Nov 25, 2024 | Maksimenko | ½–½ | Bischoff | World Senior Chess Championship 2024 | Bogo-Indian Defense: Grünfeld Variation | |
| Nov 24, 2024 | Bischoff | 1–0 | Eckert | World Senior Chess Championship 2024 | Queen's Gambit Declined: Three Knights Variation | |
| Nov 22, 2024 | Mantovani | ½–½ | Bischoff | World Senior Chess Championship 2024 | Hungarian Opening | |
| Nov 20, 2024 | Dimitrijeski | ½–½ | Bischoff | World Senior Chess Championship 2024 | Nimzo-Indian Defense: Normal Variation | |
| Nov 19, 2024 | Bischoff | ½–½ | Melikhov | World Senior Chess Championship 2024 | Zukertort Opening: Dutch Variation | |
| Nov 17, 2024 | Bischoff | ½–½ | Minnican | World Senior Chess Championship 2024 | Queen's Indian Defense: Kasparov-Petrosian Variation, Andersson Variation | |
| Feb 25, 2024 | Reuker | ½–½ | Bischoff | Schachbundesliga 23/24 | Kangaroo Defense | |
| Feb 23, 2024 | Bischoff | ½–½ | Zeller | Schachbundesliga 23/24 | Hungarian Opening | |
| Jan 13, 2024 | Bischoff | ½–½ | Grigoriants | 1. Bundesliga | English Opening: King's English Variation, Two Knights Variation | |
| Dec 3, 2023 | Bischoff | 1–0 | Hampel | SBL | Nimzo-Larsen Attack: Indian Variation | |
| Dec 2, 2023 | Boensch | ½–½ | Bischoff | Schachbundesliga | Queen's Gambit Declined: Anti-Tartakower Variation, Petrosian Variation | |
| Nov 5, 2023 | Devaki V Prasad | ½–½ | Klaus Bischoff | Round 11: Devaki V Prasad - Klaus Bischoff | Sicilian Defense: Taimanov Variation, Normal Variation | |
| Nov 4, 2023 | Klaus Bischoff | ½–½ | David H. Cummings | Round 10: Klaus Bischoff - David H. Cummings | Semi-Slav Defense: Stoltz Variation | |
| Nov 3, 2023 | Artashes Minasian | ½–½ | Klaus Bischoff | Round 9: Artashes Minasian - Klaus Bischoff | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Nov 2, 2023 | Klaus Bischoff | ½–½ | Ivan Morovic Fernandez | Round 8: Klaus Bischoff - Ivan Morovic Fernandez | English Opening: Caro-Kann Defensive System | |
| Nov 1, 2023 | Darcy Lima | ½–½ | Klaus Bischoff | Round 7: Darcy Lima - Klaus Bischoff | Catalan Opening: Closed, Botvinnik Variation | |
| Oct 30, 2023 | Klaus Bischoff | ½–½ | Hannes Stefansson | 50+ World Senior Championship | English Opening: King's English Variation, Four Knights Variation, Flexible Line | |
| Oct 29, 2023 | Boulard | 0–1 | Bischoff | 50+ World Senior Championship | English Opening: Great Snake Variation | |
| Oct 28, 2023 | Bischoff | ½–½ | Nadanian | 50+ World Senior Championship | Queen's Gambit Declined: Tarrasch Defense, Pseudo-Tarrasch | |
| Oct 27, 2023 | Vlassov | ½–½ | Bischoff | 50+ World Senior Championship | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Oct 26, 2023 | Bischoff | 1–0 | Herrera Ortiz | 50+ World Senior Championship | Dutch Defense: Classical Variation | |
| Oct 25, 2023 | Farrell | 0–1 | Bischoff | 50+ World Senior Championship | Modern Defense: Averbakh System | |
| Jul 15, 2023 | Klaus Bischoff | ½–½ | Thilo Ehmann | Round 21: Klaus Bischoff - Thilo Ehmann | English Opening: Caro-Kann Defensive System | |
| Jul 15, 2023 | Klaus Bischoff | ½–½ | Thilo Ehmann | Round 20: Klaus Bischoff - Thilo Ehmann | English Opening: Caro-Kann Defensive System | |
| Jul 15, 2023 | Klaus Bischoff | ½–½ | Thilo Ehmann | Round 19: Klaus Bischoff - Thilo Ehmann | English Opening: Caro-Kann Defensive System | |
| Jul 15, 2023 | Klaus Bischoff | ½–½ | Thilo Ehmann | Round 18: Klaus Bischoff - Thilo Ehmann | English Opening: Caro-Kann Defensive System | |
| Jul 15, 2023 | Klaus Bischoff | ½–½ | Thilo Ehmann | Round 17: Klaus Bischoff - Thilo Ehmann | English Opening: Caro-Kann Defensive System | |
| Jul 15, 2023 | Klaus Bischoff | ½–½ | Thilo Ehmann | Round 16: Klaus Bischoff - Thilo Ehmann | English Opening: Caro-Kann Defensive System | |
| Jul 15, 2023 | Klaus Bischoff | ½–½ | Thilo Ehmann | Round 15: Klaus Bischoff - Thilo Ehmann | English Opening: Caro-Kann Defensive System | |
| Jul 15, 2023 | Klaus Bischoff | ½–½ | Thilo Ehmann | Round 13: Klaus Bischoff - Thilo Ehmann | English Opening: Caro-Kann Defensive System | |
| Jul 15, 2023 | Klaus Bischoff | ½–½ | Thilo Ehmann | Round 14: Klaus Bischoff - Thilo Ehmann | English Opening: Caro-Kann Defensive System | |
| Jul 15, 2023 | Klaus Bischoff | ½–½ | Thilo Ehmann | Round 12: Klaus Bischoff - Thilo Ehmann | English Opening: Caro-Kann Defensive System | |
| Jul 15, 2023 | Klaus Bischoff | ½–½ | Thilo Ehmann | Round 11: Klaus Bischoff - Thilo Ehmann | English Opening: Caro-Kann Defensive System | |
| Jul 15, 2023 | Klaus Bischoff | ½–½ | Thilo Ehmann | Round 10: Klaus Bischoff - Thilo Ehmann | English Opening: Caro-Kann Defensive System | |
| Jul 15, 2023 | Klaus Bischoff | ½–½ | Thilo Ehmann | Round 9: Klaus Bischoff - Thilo Ehmann | English Opening: Caro-Kann Defensive System | |
| Jul 15, 2023 | Klaus Bischoff | ½–½ | Thilo Ehmann | Round 8: Klaus Bischoff - Thilo Ehmann | English Opening: Caro-Kann Defensive System | |
| Jul 15, 2023 | Klaus Bischoff | ½–½ | Thilo Ehmann | Round 7: Klaus Bischoff - Thilo Ehmann | English Opening: Caro-Kann Defensive System | |
| Jul 15, 2023 | Klaus Bischoff | ½–½ | Thilo Ehmann | Round 6: Klaus Bischoff - Thilo Ehmann | English Opening: Caro-Kann Defensive System | |
| Jul 15, 2023 | Klaus Bischoff | ½–½ | Thilo Ehmann | Round 5: Klaus Bischoff - Thilo Ehmann | English Opening: Caro-Kann Defensive System | |
| Jul 15, 2023 | Klaus Bischoff | ½–½ | Thilo Ehmann | Round 4: Klaus Bischoff - Thilo Ehmann | English Opening: Caro-Kann Defensive System | |
| Jul 15, 2023 | Klaus Bischoff | 1–0 | Samuel Weber | Round 3: Klaus Bischoff - Samuel Weber | Queen's Indian Defense: Kasparov-Petrosian Variation, Marco Defense | |
| Jul 15, 2023 | Klaus Bischoff | ½–½ | Thilo Ehmann | Round 2: Klaus Bischoff - Thilo Ehmann | English Opening: Caro-Kann Defensive System | |
| Jul 15, 2023 | Klaus Bischoff | ½–½ | Thilo Ehmann | Round 1: Klaus Bischoff - Thilo Ehmann | English Opening: Caro-Kann Defensive System | |
| Apr 30, 2023 | Bischoff | ½–½ | Costa | Schachbundesliga | Queen's Gambit Declined | |
| Apr 29, 2023 | Miljkovic | 1–0 | Bischoff | Schachbundesliga | Kangaroo Defense | |
| Mar 19, 2023 | Heinemann | ½–½ | Bischoff | Schachbundesliga | Sicilian Defense: French Variation | |
| Mar 18, 2023 | Bischoff | ½–½ | Gumularz | Schachbundesliga | Modern Defense: Geller's System | |
| Feb 26, 2023 | Markus | ½–½ | Bischoff | Schachbundesliga | Indian Defense: Anti-Nimzo-Indian | |
| Feb 25, 2023 | Bischoff | ½–½ | Areshchenko | Schachbundesliga | East Indian Defense | |
| Feb 5, 2023 | Bischoff | 0–1 | Naiditsch | Schachbundesliga | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Feb 4, 2023 | Koelle | ½–½ | Bischoff | Schachbundesliga | Dutch Defense: Nimzo-Dutch Variation | |
| Nov 25, 2022 | Uffe Vinter-Schou | 0–1 | Klaus Bischoff | Round 10 | 50+: Uffe Vinter-Schou - Klaus Bischoff | Sicilian Defense: Delayed Alapin Variation | |
| Nov 24, 2022 | Klaus Bischoff | 1–0 | William Paschall | Round 9 | 50+: Klaus Bischoff - William Paschall | Queen's Indian Accelerated | |
| Nov 23, 2022 | Renzo Mantovani | ½–½ | Klaus Bischoff | Round 8 | 50+: Renzo Mantovani - Klaus Bischoff | Hungarian Opening | |
| Nov 22, 2022 | Klaus Bischoff | ½–½ | Laszlo Krizsany | Round 7 | 50+: Klaus Bischoff - Laszlo Krizsany | Queen's Gambit Accepted: Classical Defense, Main Line | |