| Apr 19, 2026 | Piorun | ½–½ | Kaczmarek | EICC 2026 | Queen's Pawn Game: Torre Attack | |
| Apr 18, 2026 | Kaczmarek | ½–½ | Sahidi | EICC 2026 | Sicilian Defense: Sozin Attack, Flank Variation | |
| Apr 16, 2026 | Kaczmarek | 1–0 | Korszanski | EICC 2026 | Italian Game: Classical Variation | |
| Apr 15, 2026 | Ioannidis | 1–0 | Kaczmarek | EICC 2026 | Queen's Gambit Declined: Exchange Variation, Sämisch Variation | |
| Apr 14, 2026 | Kaczmarek | 1–0 | Kondys | EIIC 2026 | French Defense: Advance Variation, Milner-Barry Gambit, Main Line | |
| Apr 13, 2026 | Razafindratsima | 1–0 | Kaczmarek | EICC 2026 | Queen's Pawn Game: Zukertort Variation | |
| Apr 12, 2026 | Kaczmarek | ½–½ | Nasuta | EICC 2026 | Sicilian Defense: Sozin Attack, Flank Variation | |
| Apr 10, 2026 | Zawisza | 0–1 | Kaczmarek | EIIC 2026 | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Apr 9, 2026 | Kaczmarek | 0–1 | Gokerkan | EICC 2026 | Sicilian Defense: Sozin Attack, Flank Variation | |
| Apr 8, 2026 | Damaso Tacoronte | 0–1 | Kaczmarek | EIIC 2026 | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| Apr 7, 2026 | Kaczmarek | ½–½ | Hrckova | EICC 2026 | French Defense: Advance Variation, Euwe Variation | |
| Jan 4, 2026 | Jarmula | ½–½ | Kaczmarek | Open A | King's Indian Attack: Sicilian Variation | |
| Jan 3, 2026 | Pniaczek | 0–1 | Kaczmarek | Open A | French Defense: Exchange Variation | |
| Jan 2, 2026 | Kaczmarek | 0–1 | Balint | Open A | Trompowsky Attack | |
| Jan 2, 2026 | Kaczmarek | 1–0 | Jendrowiak | Open A | Ruy Lopez: Morphy Defense | |
| Dec 31, 2025 | Lapaj | 0–1 | Kaczmarek | Open A | Vienna Game: Paulsen Variation | |
| Dec 30, 2025 | Kaczmarek | 1–0 | Dzwierzynski | Open A | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| Dec 29, 2025 | Giang | 1–0 | Kaczmarek | Open A | English Opening: King's English Variation, Reversed Closed Sicilian | |
| Dec 28, 2025 | Kaczmarek | ½–½ | Demski | Open A | Sicilian Defense: Dragon Variation, Classical Variation | |
| Dec 27, 2025 | Smetek | 0–1 | Kaczmarek | Open A | Benoni Defense: Classical Variation | |
| Sep 14, 2025 | Kaczmarek | ½–½ | Molenda | I Liga 1-5 | Sicilian Defense: Four Knights Variation | |
| Sep 13, 2025 | Kaczmarek | 0–1 | Licznerski | I Liga 1-5 | Four Knights Game: Gunsberg Variation | |
| Sep 12, 2025 | Eugene | ½–½ | Kaczmarek | I Liga 1-5 | French Defense: Advance Variation, Euwe Variation | |
| Sep 10, 2025 | Gnojek | 0–1 | Kaczmarek | I Liga 1-5 | Bogo-Indian Defense: Grünfeld Variation | |
| Sep 9, 2025 | Kaczmarek | ½–½ | Karolczuk | I Liga 1-5 | Horwitz Defense | |
| Sep 8, 2025 | Janeczko | ½–½ | Kaczmarek | I Liga 1-5 | French Defense: King's Indian Attack | |
| Sep 7, 2025 | Kaczmarek | ½–½ | Klepek | I Liga 6-10 | Four Knights Game | |
| Sep 6, 2025 | Kaczmarek | 0–1 | Psyk | I Liga 1-5 | French Defense: Tarrasch Variation, Open System | |
| Sep 6, 2025 | Golenia | 1–0 | Kaczmarek | I Liga 1-5 | English Opening: King's English Variation | |
| Jan 7, 2025 | Kaczmarek | ½–½ | Fiorito | Roquetas 25 | Four Knights Game: Glek System | |
| Jan 6, 2025 | Kaczmarek | 1–0 | Gomez Sanjuan | Roquetas 25 | Sicilian Defense: Portsmouth Gambit | |
| Jan 6, 2025 | Lazaro Azcutia | 0–1 | Kaczmarek | Roquetas 25 | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jan 5, 2025 | Kaczmarek | * | BYE | Roquetas 25 | ? | |
| Jan 4, 2025 | Kaczmarek | * | BYE | Roquetas 25 | ? | |
| Jan 4, 2025 | Korneev Leskova | ½–½ | Kaczmarek | Roquetas 25 | English Opening: Symmetrical Variation, Three Knights, Fianchetto Variation | |
| Jan 3, 2025 | Kaczmarek | 0–1 | Vignesh N R | Roquetas 25 | Four Knights Game: Halloween Gambit | |
| Jan 3, 2025 | Novais | 0–1 | Kaczmarek | Roquetas 25 | Sicilian Defense: Najdorf Variation | |
| Jan 2, 2025 | Kaczmarek | 1–0 | Degro | Roquetas 25 | French Defense: Advance Variation, Paulsen Attack | |
| Sep 22, 2024 | Czernek | ½–½ | Kaczmarek | 1liga2 | Caro-Kann Defense: Gurgenidze System | |
| Sep 21, 2024 | Lewtak | ½–½ | Kaczmarek | 1liga2 | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Sep 20, 2024 | Kaczmarek | ½–½ | Baum | 1liga2 | Sicilian Defense: Four Knights Variation, Exchange Variation | |
| Sep 19, 2024 | Paprocki | 0–1 | Kaczmarek | 1liga2 | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| Sep 18, 2024 | Kaczmarek | ½–½ | Gnojek | 1liga2 | Pirc Defense: Bayonet Attack | |
| Sep 17, 2024 | Klepek | 0–1 | Kaczmarek | 1liga2 | English Opening: King's English Variation, Adhiban Gambit | |
| Sep 16, 2024 | Kaczmarek | ½–½ | Kujawski | 1liga2 | Sicilian Defense: Wing Gambit Deferred | |
| Sep 15, 2024 | Kaczmarek | ½–½ | Eggink | 1liga2 | Sicilian Defense: Najdorf Variation, Zagreb Variation | |
| Sep 14, 2024 | Raczek | 1–0 | Kaczmarek | 1liga2 | Réti Opening: Advance Variation | |
| Jul 7, 2024 | Kaczmarek | ½–½ | Stefansson | gm a | Italian Game: Giuoco Pianissimo, Normal | |
| Jul 6, 2024 | Haring | 1–0 | Kaczmarek | gm a | Alekhine Defense: Four Pawns Attack, Fianchetto Variation | |
| Jul 5, 2024 | Kaczmarek | 0–1 | Stinka | gm a | Scotch Game: Scotch Gambit, Advance Variation | |
| Jul 4, 2024 | Polak | ½–½ | Kaczmarek | gm a | Benoni Defense: Classical Variation, New York Variation | |
| Jul 3, 2024 | Kaczmarek | 1–0 | Gretarsson | gm a | Scotch Game: Scotch Gambit, Advance Variation | |
| Jul 2, 2024 | Kraus | 1–0 | Kaczmarek | gm a | Indian Defense: London System | |
| Jul 1, 2024 | Colbow | 1–0 | Kaczmarek | gm a | Sicilian Defense: Najdorf Variation | |
| Jun 30, 2024 | Kaczmarek | 0–1 | Sahidi | gm a | Caro-Kann Defense: Advance Variation, Short Variation | |
| Jun 30, 2024 | Svanda | 1–0 | Kaczmarek | gm a | English Opening: King's English Variation | |
| May 4, 2024 | Kaczmarek | 0–1 | Tsiapko | Sardinia Worldchess | ? | |
| May 3, 2024 | Orujov | ½–½ | Kaczmarek | Sardinia Worldchess | Sicilian Defense: Najdorf Variation, Adams Attack | |
| May 2, 2024 | Kaczmarek | 1–0 | Kurmangaliyeva | Sardinia Worldchess | Center Game: Normal Variation | |
| May 1, 2024 | Girel | 1–0 | Kaczmarek | Sardinia Worldchess | Sicilian Defense: Najdorf Variation, Opocensky Variation, Traditional Line | |
| Apr 30, 2024 | Kaczmarek | 1–0 | Selbes | Sardinia Worldchess | Center Game: Normal Variation | |
| Apr 30, 2024 | Van Foreest | 1–0 | Kaczmarek | Sardinia Worldchess | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Apr 29, 2024 | Kaczmarek | 0–1 | Parkhov | Sardinia Worldchess | French Defense: Advance Variation, Euwe Variation | |
| Apr 28, 2024 | Kaczmarek | 1–0 | Samunenkov | Sardinia Worldchess | Caro-Kann Defense: Panov Attack, Modern Defense | |
| Feb 25, 2024 | Kaczmarek | 0–1 | Terbe | Extraliga 2023/2024 | Italian Game: Two Knights Defense | |
| Feb 24, 2024 | Kaczmarek | 1–0 | Szucs | Extraliga 2023/2024 | French Defense: Advance Variation, Euwe Variation | |
| Jul 16, 2024 | Kaczmarek | ½–½ | Daakshin Arun | Slovakia chess Open PN 24 | Sicilian Defense: Najdorf Variation | |
| Jul 15, 2024 | Mohamed Anees M | 1–0 | Kaczmarek | Slovakia chess Open PN 24 | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jul 14, 2024 | Kaczmarek | 1–0 | Srija | Slovakia chess Open PN 24 | Four Knights Game: Halloween Gambit | |
| Jul 13, 2024 | Liu | 1–0 | Kaczmarek | Slovakia chess Open PN 24 | Indian Defense: London System | |
| Jul 12, 2024 | Kaczmarek | ½–½ | Avinash Ramesh | Slovakia chess Open PN 24 | Sicilian Defense: Modern Variations, Main Line | |
| Jul 11, 2024 | Laurusas | 1–0 | Kaczmarek | Slovakia chess Open PN 24 | Blumenfeld Countergambit Accepted | |
| Jul 10, 2024 | Kaczmarek | 1–0 | Petrek | Slovakia chess Open PN 24 | French Defense: Knight Variation | |
| Jul 9, 2024 | Kawulok | 0–1 | Kaczmarek | Slovakia chess Open PN 24 | Sicilian Defense: Najdorf Variation, Freak Attack | |
| Nov 12, 2023 | Sieciechowicz | 0–1 | Kaczmarek | Figueira 2023 | Nimzo-Indian Defense: Kmoch Variation | |
| Nov 11, 2023 | Kaczmarek | 0–1 | Das | Figueira 2023 | Caro-Kann Defense: Advance Variation | |
| Nov 10, 2023 | Sidhant | 0–1 | Kaczmarek | Figueira 2023 | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Nov 9, 2023 | Kaczmarek | 0–1 | Albornoz Cabrera | Figueira 2023 | Sicilian Defense: Najdorf Variation | |
| Nov 8, 2023 | Stella | 0–1 | Kaczmarek | Figueira 2023 | Dutch Defense | |
| Nov 7, 2023 | Kaczmarek | 1–0 | Gama | Figueira 2023 | Modern Defense | |
| Nov 7, 2023 | Alfonso Ruisanchez | 0–1 | Kaczmarek | Figueira 2023 | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Nov 6, 2023 | Kaczmarek | 0–1 | Bernadskiy | Figueira 2023 | Bishop's Opening: Vienna Hybrid | |
| Jul 19, 2023 | Kaczmarek | 0–1 | Mirski | Najdorf Memorial | Sicilian Defense: Snyder Variation | |
| Jul 18, 2023 | Rozycki | 1–0 | Kaczmarek | Najdorf Memorial | King's Indian Defense: Orthodox Variation, Gligoric-Taimanov System | |
| Jul 17, 2023 | Kaczmarek | ½–½ | Gagare | Najdorf Memorial | Ruy Lopez: Closed, Anti-Marshall | |
| Jul 16, 2023 | Kowalski | ½–½ | Kaczmarek | Najdorf Memorial | Sicilian Defense: Hyperaccelerated Dragon | |
| Jul 15, 2023 | Kaczmarek | 0–1 | Tomczak | Najdorf Memorial | Sicilian Defense: Wing Gambit Deferred | |
| Jul 14, 2023 | Kaczmarek | ½–½ | Rozentalis | Najdorf Memorial | French Defense: Two Knights Variation | |
| Jul 14, 2023 | Tsiapko | 0–1 | Kaczmarek | Najdorf Memorial | East Indian Defense | |
| Jul 12, 2023 | Jarzebowski | 0–1 | Kaczmarek | Najdorf Memorial | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Jul 11, 2023 | Kaczmarek | 1–0 | Markuszewski | Najdorf Memorial | Sicilian Defense: Najdorf Variation | |
| Jul 2, 2023 | Kaczmarek | 1–0 | Grot | Festival Bydgoszcz ELO > 2000 | Sicilian Defense: Wing Gambit Deferred | |
| Jul 1, 2023 | Kaczmarek | 0–1 | Kacprzak | Festival Bydgoszcz ELO > 2000 | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Jul 1, 2023 | Dalkowski | 0–1 | Kaczmarek | Festival Bydgoszcz ELO > 2000 | Bogo-Indian Defense: Nimzowitsch Variation | |
| Jun 29, 2023 | Madej | 0–1 | Kaczmarek | Festival Bydgoszcz ELO > 2000 | Caro-Kann Defense: Tartakower Variation | |
| Jun 28, 2023 | Kaczmarek | 0–1 | Hryharovich | Festival Bydgoszcz ELO > 2000 | Caro-Kann Defense: Advance Variation, Bronstein Variation | |
| Jun 27, 2023 | Wojdak | ½–½ | Kaczmarek | Festival Bydgoszcz ELO > 2000 | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Jun 26, 2023 | Kaczmarek | 1–0 | Sliwerski | Festival Bydgoszcz ELO > 2000 | Sicilian Defense: Najdorf Variation | |
| Jun 25, 2023 | Kaczmarek | 0–1 | Krawczyk | Festival Bydgoszcz ELO > 2000 | Sicilian Defense: Najdorf Variation | |
| Jun 24, 2023 | Meers | ½–½ | Kaczmarek | Festival Bydgoszcz ELO > 2000 | Caro-Kann Defense: Two Knights Attack | |