| Jun 23, 2026 | Kaczmarczyk | 1–0 | Valles | SUI-chT Winterthur-Echallens | French Defense: Exchange Variation | |
| Jun 23, 2026 | Kaczmarczyk | 0–1 | Bogner | SUI-chT Winterthur-Reti | Sicilian Defense: Closed, Traditional | |
| Apr 21, 2026 | Kaczmarczyk | ½–½ | Knoedler | SMM NLA 2026 | Zukertort Opening: Nimzo-Larsen Variation | |
| Mar 17, 2026 | Asllani | 0–1 | Kaczmarczyk | SUI-chT Nyon-Winterthur | Queen's Gambit Declined: Austrian Defense | |
| Oct 24, 2025 | Kaczmarczyk | 0–1 | Tarhan | Round 6: Kaczmarczyk, Dennis - Tarhan, Adar | English Opening: King's English Variation, Four Knights Variation, Quiet Line | |
| Oct 23, 2025 | Rozen | 1–0 | Kaczmarczyk | Round 5: Rozen, Eytan - Kaczmarczyk, Dennis | English Opening: Anglo-Indian Defense, King's Indian Formation, Double Fianchetto | |
| Oct 21, 2025 | Kaczmarczyk | 0–1 | Blomqvist | Round 3: Kaczmarczyk, Dennis - Blomqvist, Erik | English Opening: King's English Variation, Kramnik-Shirov Counterattack | |
| Sep 28, 2025 | Stijve | 0–1 | Kaczmarczyk | SMM Rd 8+9 | French Defense: Winawer Variation, Alekhine Gambit, Kan Variation | |
| Sep 27, 2025 | Kaczmarczyk | ½–½ | Prusikin | SMM Rd 8+9 | King's Knight Opening: Konstantinopolsky | |
| Apr 27, 2025 | Kaczmarczyk | 1–0 | Bellini | SUI-chT Winterthur-Mendrisio | Nimzo-Larsen Attack: Classical Variation | |
| Apr 6, 2025 | Breder | ½–½ | Kaczmarczyk | SUI-chT Riehen-Winterthur | Dutch Defense: Hopton Attack | |
| Apr 5, 2025 | Ondozi | 0–1 | Kaczmarczyk | SUI-chT Nyon-Winterthur | Dutch Defense: Leningrad Variation, Warsaw Variation | |
| Mar 16, 2025 | Kaczmarczyk | 1–0 | Riff | SMM Nationalliga A 2025 | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Feb 22, 2025 | Kaczmarczyk | ½–½ | Charnushevich | SGM 2024-2025 1. Bundesliga | Modern Defense: Two Knights Variation, Suttles Variation | |
| Oct 13, 2024 | Kaczmarczyk | 0–1 | Baenziger | SMM Nationalliga A 2024 | Trompowsky Attack | |
| Oct 12, 2024 | Georgiadis | 0–1 | Kaczmarczyk | SMM Nationalliga A 2024 | Catalan Opening: Open Defense, Classical Line | |
| Aug 25, 2024 | Jaggy | 0–1 | Kaczmarczyk | SUI-chT Schwarz-Weiss Bern-Winterthur | Catalan Opening: Open Defense | |
| Jul 21, 2024 | Kaczmarczyk | ½–½ | Gantner | Round 9: Kaczmarczyk, Dennis - Gantner, Matthias | Trompowsky Attack | |
| Jul 20, 2024 | Petrov | 1–0 | Kaczmarczyk | Round 8: Petrov, Nikita - Kaczmarczyk, Dennis | Ruy Lopez: Morphy Defense, Norwegian Variation | |
| Jul 19, 2024 | Schellenberg | 0–1 | Kaczmarczyk | Round 7: Schellenberg, Simon - Kaczmarczyk, Dennis | Queen's Gambit Declined: Harrwitz Attack | |
| Jul 17, 2024 | Kaczmarczyk | 1–0 | Gschnitzer | Round 5: Kaczmarczyk, Dennis - Gschnitzer, Adrian | Queen's Gambit Declined | |
| Jul 16, 2024 | Stojanovic | ½–½ | Kaczmarczyk | Round 4: Stojanovic, Mihajlo - Kaczmarczyk, Dennis | Queen's Gambit Declined: Ragozin Defense | |
| Jul 15, 2024 | Kaczmarczyk | ½–½ | Hasenohr | Round 3: Kaczmarczyk, Dennis - Hasenohr, Benedict | Zukertort Opening | |
| Jul 14, 2024 | Buchinger | 0–1 | Kaczmarczyk | Schweizer Einzelmeisterschaft 24 Masters | Sicilian Defense: O'Kelly Variation, Venice System | |
| Jul 13, 2024 | Kaczmarczyk | 1–0 | Brandis | Round 1: Kaczmarczyk, Dennis - Brandis, Benjamin | Queen's Gambit Declined: Ragozin Defense, Vienna Variation | |
| Jun 23, 2024 | Kaczmarczyk | ½–½ | Stojanovic | SUI-chT Winterthur-Reti | French Defense: Rubinstein Variation, Fort Knox Variation | |
| Jun 5, 2024 | Kaczmarczyk | ½–½ | Bauer | Round 6: Kaczmarczyk, Dennis - Bauer, Christian | Old Indian Defense: Janowski Variation, Fianchetto Variation | |
| May 26, 2024 | Kaczmarczyk | 0–1 | Peng | SUI-chT Winterthur-Wollishofen | Indian Defense: Anti-Nimzo-Indian | |
| Apr 28, 2024 | Mantovani | 0–1 | Kaczmarczyk | SUI-chT Mendrisio-Winterthur | King's Indian Attack: Spassky Variation | |
| Apr 14, 2024 | Kaczmarczyk | 1–0 | Jogstad | SUI-chT Winterthur-Bodan | Slav Defense: Czech Variation, Carlsbad Variation, Morozevich Variation | |
| Mar 10, 2024 | Kaczmarczyk | 1–0 | Brunner | SUI-chT Winterthur-Zuerich | Caro-Kann Defense: Classical Variation, Main Line | |
| Feb 24, 2024 | Kaczmarczyk | 1–0 | Joie | Schweizerische Gruppenmeisterschaft 2024 | Trompowsky Attack: Classical Defense, Big Center Variation | |
| Oct 15, 2023 | Brunner | ½–½ | Kaczmarczyk | SMM 2023 | Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation, Nimzowitsch Attack | |
| Oct 14, 2023 | Pelletier | ½–½ | Kaczmarczyk | SMM 2023 | Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation, Nimzowitsch Attack | |
| Jul 17, 2023 | Kaczmarczyk | 0–1 | Wyss | Schweizer Einzelmeisterschaft 2023 Masters | French Defense: Winawer Variation, Alekhine-Maróczy Gambit | |
| — | Kaczmarczyk | ½–½ | Joie | Schweizer Einzelmeisterschaft 2023 Masters | Sicilian Defense: Nimzowitsch Variation, Main Line | |
| — | Kaczmarczyk | 0–1 | Bauer | Schweizer Einzelmeisterschaft 2023 Masters | Pirc Defense: Classical Variation, Quiet System, Chigorin Line | |
| — | Kaczmarczyk | 0–1 | Shatil | Schweizer Einzelmeisterschaft 2023 Masters | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation | |
| — | Shahmammadli | 0–1 | Kaczmarczyk | Schweizer Einzelmeisterschaft 2023 Masters | French Defense: King's Indian Attack | |
| — | Kasipour Azbari | 1–0 | Kaczmarczyk | Schweizer Einzelmeisterschaft 2023 Masters | French Defense: Advance Variation, Euwe Variation | |
| — | Degtiarev | ½–½ | Kaczmarczyk | SMM 2025 | Nimzo-Indian Defense: Spielmann Variation | |
