| Jun 10, 2026 | Termeulen | 1–0 | Kirszenberg | Round 9: Termeulen, Albert - Kirszenberg, Marc | King's Pawn Game | |
| Jun 9, 2026 | Kirszenberg | ½–½ | Blanchard | Round 8: Kirszenberg, Marc - Blanchard, Samuel | Semi-Slav Defense: Accelerated Move Order | |
| Jun 8, 2026 | Zeller | 1–0 | Kirszenberg | Round 7: Zeller, Frank - Kirszenberg, Marc | Réti Opening: Anglo-Slav Variation, with g3 | |
| Jun 7, 2026 | Kirszenberg | 1–0 | Van Ree | Round 6: Kirszenberg, Marc - Van Ree, Thailo | Mexican Defense | |
| Jun 6, 2026 | Riekenbrauk | ½–½ | Kirszenberg | Round 5: Riekenbrauk, Joerg - Kirszenberg, Marc | Caro-Kann Defense: Two Knights Attack | |
| Jun 5, 2026 | Kirszenberg | 0–1 | Dishman | Round 4: Kirszenberg, Marc - Dishman, Stephen | Queen's Gambit Accepted: Classical Defense, Main Line | |
| Jun 4, 2026 | Warnk | 0–1 | Kirszenberg | Round 3: Warnk, Torsten - Kirszenberg, Marc | Queen's Pawn Game: London System | |
| Jun 3, 2026 | Kirszenberg | 0–1 | Sylvan | Round 2: Kirszenberg, Marc - Sylvan, Jacob | Nimzo-Indian Defense: Normal Variation | |
| Jun 2, 2026 | Bignonneau | 0–1 | Kirszenberg | Round 1: Bignonneau, Pascal - Kirszenberg, Marc | Slav Defense: Exchange Variation | |
| May 9, 2026 | Kirszenberg | 0–1 | Cornette | 2e France rapide ?quipe | Queen's Indian Accelerated | |
| Apr 27, 2026 | Kirszenberg | ½–½ | Gronn | Round 8: Kirszenberg, Marc - Gronn, Atle | Benoni Defense: Four Pawns Attack, Main Line | |
| Nov 7, 2025 | Matros | 1–0 | Kirszenberg | Round 2: Matros, Alexander - Kirszenberg, Marc | Slav Defense: Geller Gambit | |
| Nov 1, 2025 | Kirszenberg | ½–½ | Vilarnovo Caamano | Round 11: Kirszenberg, Marc - Vilarnovo Caamano, Jose | Queen's Gambit Declined: Janowski Variation | |
| Oct 31, 2025 | Ray | ½–½ | Kirszenberg | Round 10: Ray, Sarathi - Kirszenberg, Marc | Slav Defense: Soultanbeieff Variation | |
| Oct 30, 2025 | Kirszenberg | ½–½ | Tunge | Round 9: Kirszenberg, Marc - Tunge, Christian | London System | |
| Oct 29, 2025 | Farahat | 1–0 | Kirszenberg | Round 8: Farahat, Ali - Kirszenberg, Marc | English Opening: Caro-Kann Defensive System | |
| Oct 28, 2025 | Kirszenberg | ½–½ | Estremera Panos | Round 7: Kirszenberg, Marc - Estremera Panos, Sergio | Nimzo-Indian Defense: Sämisch Variation | |
| Oct 26, 2025 | Lopez de Turiso Sanchez | 0–1 | Kirszenberg | Round 6: Lopez de Turiso Sanchez, Jose Angel - Kirszenberg, Marc | Rapport-Jobava System | |
| Oct 25, 2025 | Kirszenberg | 0–1 | Vinter-Schou | Round 5: Kirszenberg, Marc - Vinter-Schou, Uffe | Nimzo-Indian Defense: Sämisch Variation, Keres Variation | |
| Oct 24, 2025 | Antonio | 1–0 | Kirszenberg | Round 4: Antonio, Rogelio Jr - Kirszenberg, Marc | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Oct 23, 2025 | Kirszenberg | 1–0 | Paschall | Round 3: Kirszenberg, Marc - Paschall, William | Nimzo-Indian Defense: Kmoch Variation | |
| Oct 22, 2025 | Buckley | ½–½ | Kirszenberg | Round 2: Buckley, Graeme N - Kirszenberg, Marc | Caro-Kann Defense: Advance Variation, Short Variation | |
| Oct 21, 2025 | Kirszenberg | 1–0 | Di Dario | Round 1: Kirszenberg, Marc - Di Dario, Dario | Queen's Pawn Game: Modern Defense | |
| Jul 11, 2025 | Dushatskiy | 1–0 | Kirszenberg | 10. Offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | Slav Defense: Exchange Variation | |
| Jul 10, 2025 | Kirszenberg | ½–½ | Osmanovic | 10. Offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | Queen's Gambit Accepted: Old Variation | |
| Jul 9, 2025 | Mueller | ½–½ | Kirszenberg | 10. Offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | Bird Opening: Dutch Variation | |
| Jul 8, 2025 | Kirszenberg | ½–½ | Fleuren | 10. Offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | Queen's Pawn Game | |
| Jul 7, 2025 | Coste | ½–½ | Kirszenberg | 10. Offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | King's Indian Attack | |
| Apr 6, 2025 | Kirszenberg | ½–½ | Wille | Round 9: Kirszenberg, Marc - Wille, Thomas | Nimzo-Indian Defense: Kmoch Variation | |
| Apr 5, 2025 | Wenner | ½–½ | Kirszenberg | Round 8: Wenner, Tobias - Kirszenberg, Marc | Réti Opening | |
| Apr 2, 2025 | Kirszenberg | ½–½ | Schwarz | Round 5: Kirszenberg, Marc - Schwarz, Arnd-Ruediger | King's Indian Defense | |
| Apr 1, 2025 | Polster | ½–½ | Kirszenberg | Round 4: Polster, Wolfgang, Dr. - Kirszenberg, Marc | Caro-Kann Defense: Advance Variation, Short Variation | |
| Mar 31, 2025 | Kirszenberg | ½–½ | Schrems | Round 3: Kirszenberg, Marc - Schrems, Hermann | Queen's Gambit Accepted: Janowski-Larsen Variation | |
| Feb 24, 2025 | Kirszenberg | 0–1 | Sikorova | WSTCC | Nimzo-Indian Defense: Kmoch Variation | |
| Feb 21, 2025 | Kirszenberg | 0–1 | Van Haastert | WSTCC | Nimzo-Indian Defense: Kmoch Variation | |
| Feb 19, 2025 | Kirszenberg | 0–1 | Kaidanov | WSTCC | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Feb 18, 2025 | Svenn | 1–0 | Kirszenberg | WSTCC | Bird Opening: Dutch Variation | |
| Jan 14, 2025 | Kirszenberg | * | Borre Meza | Round 5: Kirszenberg, Marc - Borre Meza, Orlando David | ? | |
| Jan 13, 2025 | Youssoupov | * | Kirszenberg | Round 4: Youssoupov, Moissei - Kirszenberg, Marc | ? | |
| Jan 12, 2025 | Kirszenberg | ½–½ | Matamoros Franco | Round 3: Kirszenberg, Marc - Matamoros Franco, Carlos S. | King's Indian Defense: Four Pawns Attack, Normal Attack | |
| Jan 11, 2025 | Cosano Montero | * | Kirszenberg | Round 2: Cosano Montero, Jose Enrique - Kirszenberg, Marc | ? | |
| Jan 10, 2025 | Kirszenberg | * | Gavira Marquez | Round 1: Kirszenberg, Marc - Gavira Marquez, Joaquin | ? | |
| Nov 2, 2024 | Melikhov | 1–0 | Kirszenberg | Round 9: Melikhov, Evgeny V. - Kirszenberg, Marc | Queen's Pawn Game | |
| Nov 1, 2024 | Kirszenberg | ½–½ | Wacker | Round 8: Kirszenberg, Marc - Wacker, Peter | Nimzo-Indian Defense: Kmoch Variation | |
| Oct 29, 2024 | Lacasa Diaz | 1–0 | Kirszenberg | Round 5: Lacasa Diaz, Josep Anton - Kirszenberg, Marc | English Opening: Caro-Kann Defensive System | |
| Oct 27, 2024 | Vehi Bach | 1–0 | Kirszenberg | Round 3: Vehi Bach, Victor Manuel - Kirszenberg, Marc | Caro-Kann Defense: Advance Variation | |
| Oct 26, 2024 | Kirszenberg | ½–½ | Dishman | Round 2: Kirszenberg, Marc - Dishman, Stephen | Slav Defense: Exchange Variation, Trifunovic Variation | |
| Jul 13, 2024 | Carstens | 1–0 | Kirszenberg | 9. offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | Caro-Kann Defense: Advance Variation, Short Variation | |
| Jul 12, 2024 | Namyslo | ½–½ | Kirszenberg | 9. offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | Caro-Kann Defense: Advance Variation, Short Variation | |
| Jul 11, 2024 | Kirszenberg | 1–0 | Haubt | 9. offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | Grünfeld Defense: Three Knights Variation, Petrosian System | |
| Jul 10, 2024 | Heck | ½–½ | Kirszenberg | 9. offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | Slav Defense: Breyer Variation | |
| Jul 8, 2024 | Mueller | ½–½ | Kirszenberg | 9. offene Baden-W?rttembergische Senioren-Einzelmeisterschaft | Bird Opening: Dutch Variation | |
| Sep 11, 2024 | Lares | 0–1 | Kirszenberg | Round 9: Lares, Harald - Kirszenberg, Marc | Zukertort Opening | |
| Sep 10, 2024 | Kirszenberg | ½–½ | Huettemann | Round 8: Kirszenberg, Marc - Huettemann, Karl-Heinz | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Sep 9, 2024 | Biegel | ½–½ | Kirszenberg | Round 7: Biegel, Thomas - Kirszenberg, Marc | Queen's Pawn Game: Symmetrical Variation | |
| Oct 25, 2023 | Novik | 1–0 | Kirszenberg | 50+ World Senior Championship | King's Pawn Game | |
| Nov 15, 2022 | Kirszenberg | 0–1 | Holzke | 30th World Senior Chess Championship 2022 | Nimzo-Indian Defense: Kmoch Variation | |
| Jul 13, 2022 | Kirszenberg | ½–½ | Baliuniene | ESCC 50+ Lublin 2022 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Jul 12, 2022 | Pietinen | ½–½ | Kirszenberg | ESCC 50+ Lublin 2022 | Caro-Kann Defense: Panov Attack, Modern Defense | |
| Jul 11, 2022 | Babijczuk | 0–1 | Kirszenberg | ESCC 50+ Lublin 2022 | Caro-Kann Defense: Classical Variation, Main Line | |
| Jul 10, 2022 | Kirszenberg | 0–1 | Lilja | ESCC 50+ Lublin 2022 | English Defense | |
| Jul 9, 2022 | Kirszenberg | ½–½ | Zielinski | ESCC 50+ Lublin 2022 | Grünfeld Defense: Three Knights Variation, Petrosian System | |
| Jul 8, 2022 | Puroila | ½–½ | Kirszenberg | ESCC 50+ Lublin 2022 | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| Jul 7, 2022 | Kirszenberg | ½–½ | Padrak | ESCC 50+ Lublin 2022 | Queen's Gambit Declined: Exchange Variation, Reshevsky Variation | |
| Jul 6, 2022 | Mrva | 1–0 | Kirszenberg | ESCC 50+ Lublin 2022 | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Jul 5, 2022 | Kirszenberg | 1–0 | Warnk | ESCC 50+ Lublin 2022 | Queen's Gambit Declined: Exchange Variation | |
| Sep 24, 2021 | Schwerteck | * | Kirszenberg | 36th European Club Cup | ? | |
| Sep 23, 2021 | Kirszenberg | * | Perkampus | 36th European Club Cup | ? | |
| Sep 22, 2021 | Ahmadzada | 1–0 | Kirszenberg | 36th European Club Cup | Caro-Kann Defense: Breyer Variation | |
| Sep 21, 2021 | Kirszenberg | ½–½ | Gotovusa | 36th European Club Cup | Semi-Slav Defense: Marshall Gambit, Forgotten Variation | |
| Sep 20, 2021 | Sasikiran | 1–0 | Kirszenberg | 36th European Club Cup | Caro-Kann Defense: Advance Variation, Short Variation | |
| Sep 19, 2021 | Storme | 1–0 | Kirszenberg | 36th European Club Cup | Queen's Pawn Game: Accelerated London System | |
| Sep 18, 2021 | Kirszenberg | * | Cooney | 36th European Club Cup | ? | |
| Jan 7, 2021 | Yu | * | Kirszenberg | Vergani Cup | January | ? | |
| Jan 6, 2021 | Kirszenberg | * | Orfini | Vergani Cup | January | ? | |
| Jan 5, 2021 | Kirszenberg | * | Nilssen | Vergani Cup | January | ? | |
| Jan 5, 2021 | Muetsch | * | Kirszenberg | Vergani Cup | January | ? | |