| Dec 30, 2025 | Kaczmarek | ½–½ | Karut | Runda 9: Kaczmarek, Arkadiusz - Karut, Kacper | Queen's Gambit Declined: Semi-Tarrasch Defense, Exchange Variation | |
| Dec 30, 2025 | Flak | 0–1 | Kaczmarek | Runda 8: Flak, Pawel - Kaczmarek, Arkadiusz | Slav Defense: Geller Gambit | |
| Dec 30, 2025 | Butkiewicz | ½–½ | Kaczmarek | Runda 7: Butkiewicz, Jan - Kaczmarek, Arkadiusz | Queen's Gambit Declined: Modern Variation, Knight Defense | |
| Dec 29, 2025 | Kaczmarek | 1–0 | Wites | Runda 6: Kaczmarek, Arkadiusz - Wites, Adam | Queen's Indian Defense: Fianchetto Variation, Kramnik Variation | |
| Dec 29, 2025 | Korszanski | 1–0 | Kaczmarek | Runda 5: Korszanski, Stanislaw - Kaczmarek, Arkadiusz | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Gurgenidze Variation | |
| Dec 28, 2025 | Kaczmarek | ½–½ | Praczukowski | Runda 4: Kaczmarek, Arkadiusz - Praczukowski, Stanislaw | Queen's Indian Defense: Fianchetto Variation, Kramnik Variation | |
| Dec 27, 2025 | Baum | 1–0 | Kaczmarek | Runda 3: Baum, Jonasz - Kaczmarek, Arkadiusz | English Opening: Agincourt Defense | |
| Dec 27, 2025 | Kaczmarek | 1–0 | Trybus | Runda 2: Kaczmarek, Arkadiusz - Trybus, Daniel | Slav Defense: Chebanenko Variation | |
| Dec 27, 2025 | Rekuc | 1–0 | Kaczmarek | Runda 1: Rekuc, Patryk - Kaczmarek, Arkadiusz | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jul 17, 2024 | Kaczmarek | ½–½ | Polak | Najdorf Memorial | Nimzo-Indian Defense: Rubinstein System | |
| Jul 16, 2024 | Celinski | 1–0 | Kaczmarek | Najdorf Memorial | Catalan Opening: Closed, Botvinnik Variation | |
| Jul 15, 2024 | Bartodziej | 1–0 | Kaczmarek | Najdorf Memorial | Sicilian Defense: Four Knights Variation, Cobra Variation | |
| Jul 14, 2024 | Kaczmarek | 0–1 | Nagly | Najdorf Memorial | Queen's Gambit Declined: Ragozin Defense, Alekhine Variation | |
| Jul 13, 2024 | Kaczmarek | 0–1 | Deszczynski | Najdorf Memorial | Rat Defense: English Rat | |
| Jul 12, 2024 | Hury | 0–1 | Kaczmarek | Najdorf Memorial | Sicilian Defense: O'Kelly Variation, Réti System | |
| Jul 11, 2024 | Chachere | ½–½ | Kaczmarek | Najdorf Memorial | Queen's Gambit Declined: Modern Variation | |
| Jul 10, 2024 | Kaczmarek | 0–1 | Fiszer | Najdorf Memorial | King's Indian Defense: Four Pawns Attack, Dynamic Attack | |
| Jul 9, 2024 | Kaczmarek | 1–0 | Lasota | Najdorf Memorial | English Defense | |
| Jun 2, 2024 | Klepek | * | Kaczmarek | GRA | ? | |
| Jun 1, 2024 | Brzezina | 0–1 | Kaczmarek | GRA | Queen's Gambit Declined | |
| May 31, 2024 | Kaczmarek | ½–½ | Matuszczyk | GRA | Grünfeld Defense: Exchange Variation | |
| May 31, 2024 | Cichon | 0–1 | Kaczmarek | GRA | Sicilian Defense: Four Knights Variation, Cobra Variation | |
| May 4, 2024 | Kaczmarek | 1–0 | Giemza | Round 7: Kaczmarek, Arkadiusz - Giemza, Julia | Queen's Indian Defense: Miles Variation | |
| May 3, 2024 | Praczukowski | ½–½ | Kaczmarek | Round 6: Praczukowski, Stanislaw - Kaczmarek, Arkadiusz | English Opening: Agincourt Defense | |
| May 3, 2024 | Kaczmarek | ½–½ | Tokarz | Round 5: Kaczmarek, Arkadiusz - Tokarz, Izabela | Grünfeld Defense: Exchange Variation, Classical Variation | |
| May 2, 2024 | Golubka | 1–0 | Kaczmarek | Round 4: Golubka, Petro - Kaczmarek, Arkadiusz | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| May 2, 2024 | Kaczmarek | 1–0 | Bakalarz | Round 3: Kaczmarek, Arkadiusz - Bakalarz, Leszek | Benoni Defense | |
| May 1, 2024 | Oleg Makarov | 0–1 | Kaczmarek | Round 2: Oleg Makarov - Kaczmarek, Arkadiusz | Queen's Gambit Declined: Modern Variation | |
| May 1, 2024 | Kaczmarek | 1–0 | Graczykowski | Round 1: Kaczmarek, Arkadiusz - Graczykowski, Marcin | Indian Defense: Budapest Defense, Alekhine Variation, Tartakower Defense | |
| Aug 10, 2022 | Rog | ½–½ | Kaczmarek | Open A | Sicilian Defense: French Variation | |
| Aug 9, 2022 | Kaczmarek | ½–½ | Chojnacki | Open A | King's Indian Defense: Orthodox Variation, Gligoric-Taimanov System | |
| Aug 9, 2022 | Kowalczyk | 1–0 | Kaczmarek | Open A | Sicilian Defense: Alapin Variation | |
| Aug 7, 2022 | Warakomska | ½–½ | Kaczmarek | Open A | Queen's Gambit Accepted: Old Variation | |
| Aug 6, 2022 | Kaczmarek | 0–1 | Bhambure | Open A | Bogo-Indian Defense: Grünfeld Variation | |
| Aug 5, 2022 | Kaczmarek | ½–½ | Schippers | Open A | Queen's Gambit Declined: Cambridge Springs Defense | |
| Aug 5, 2022 | Kacprzak | ½–½ | Kaczmarek | Open A | Slav Defense: Soultanbeieff Variation | |
| Aug 4, 2022 | Lewtak | 1–0 | Kaczmarek | Open A | Hungarian Opening | |
| Aug 3, 2022 | Kaczmarek | 1–0 | Sakalauskas | Open A | Queen's Gambit Declined: Janowski Variation | |
| Jul 20, 2021 | Kaczmarek | * | Trybus | Warsaw Open | ? | |
| Jul 19, 2021 | Rozentalis | 1–0 | Kaczmarek | Warsaw Open | French Defense: Rubinstein Variation, Fort Knox Variation | |
| Jul 18, 2021 | Kaczmarek | 0–1 | Dalkowski | Warsaw Najdorf Festival | ? | |
| Jul 14, 2021 | Kaczmarek | ½–½ | Seemann | Warsaw Najdorf Festival | Semi-Slav Defense: Botvinnik Variation, Ekstrom Variation | |
| Jul 11, 2021 | Kosakowski | 1–0 | Kaczmarek | Warsaw Najdorf Festival | French Defense: Rubinstein Variation, Fort Knox Variation | |
