| Jun 21, 2026 | Bartczak | ½–½ | Kostic | 38th International Chess Tournament Open Pula 2026 | Caro-Kann Defense: Karpov Variation, Modern Main Line | |
| Jun 1, 2026 | Hughes | 1–0 | Bartczak | Round 6: Hughes, Padraig - Bartczak, Korneliusz | Caro-Kann Defense: Endgame Offer | |
| Jun 1, 2026 | Bartczak | 1–0 | Ozarpaci | Round 5: Bartczak, Korneliusz - Ozarpaci, Mert Can | Italian Game: Classical Variation, Giuoco Pianissimo, with h6 | |
| May 31, 2026 | Liu | ½–½ | Bartczak | Round 4: Liu, Jason - Bartczak, Korneliusz | Italian Game: Giuoco Pianissimo, Italian Four Knights Variation | |
| May 31, 2026 | Bartczak | ½–½ | Cole | Round 3: Bartczak, Korneliusz - Cole, Ethan | Sicilian Defense: Alapin Variation | |
| May 30, 2026 | Cummins | 0–1 | Bartczak | Round 2: Cummins, Sean - Bartczak, Korneliusz | Ruy Lopez: Closed, Pilnik Variation | |
| May 30, 2026 | Bartczak | 0–1 | Liu | Round 1: Bartczak, Korneliusz - Liu, Murray | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| Apr 26, 2026 | Bartczak | ½–½ | Gubanov | Round 5: Bartczak, Korneliusz - Gubanov, Oleg | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Apr 26, 2026 | Arun | 1–0 | Bartczak | Round 4: Arun, Nitish - Bartczak, Korneliusz | Nimzo-Indian Defense: Classical Variation | |
| Apr 25, 2026 | Bartczak | 1–0 | Singhal | Round 3: Bartczak, Korneliusz - Singhal, Vivaan | Caro-Kann Defense: Karpov Variation, Modern Variation, Kasparov Attack | |
| Apr 24, 2026 | Venkatesan | ½–½ | Bartczak | Round 1: Venkatesan, Kavin - Bartczak, Korneliusz | Nimzo-Indian Defense: Reshevsky Variation | |
| Mar 29, 2026 | Bartczak | 0–1 | Akhvlediani | Reykjavik Open 2026 | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Mar 27, 2026 | Belkaid | 1–0 | Bartczak | Reykjavik Open 2026 | Italian Game: Giuoco Pianissimo, Normal | |
| Mar 25, 2026 | Bartczak | 0–1 | Sanal | Reykjavik Open 2026 | Philidor Defense: Lion Variation, Shirov Gambit | |
| Mar 8, 2026 | Moore | ½–½ | Bartczak | Round 4: Moore, Fiachra - Bartczak, Korneliusz | Caro-Kann Defense: Two Knights Attack | |
| Mar 8, 2026 | Bartczak | 0–1 | O`cuilleanain | Round 3: Bartczak, Korneliusz - O`cuilleanain, Oisin | Sicilian Defense: Moscow Variation | |
| Mar 7, 2026 | Baburin | ½–½ | Bartczak | Round 2: Baburin, Alexander - Bartczak, Korneliusz | Semi-Slav Defense: Quiet Variation | |
| Mar 7, 2026 | Bartczak | 1–0 | Loughran | Round 1: Bartczak, Korneliusz - Loughran, John | Sicilian Defense: Kan Variation, Polugaevsky Variation | |
| Feb 8, 2026 | Hushpit | 1–0 | Bartczak | Sligo 2026 Open | Caro-Kann Defense | |
| Feb 8, 2026 | Bartczak | ½–½ | Barbals | Sligo 2026 Rapid | Scotch Game: Scotch Gambit | |
| Feb 8, 2026 | Barnes | 1–0 | Bartczak | Sligo 2026 Rapid | Zukertort Opening: Kingside Fianchetto | |
| Feb 8, 2026 | Bartczak | 1–0 | Alvarez Jimenez | Sligo 2026 Rapid | Catalan Opening: Closed | |
| Feb 8, 2026 | Halvorsen | 1–0 | Bartczak | Sligo 2026 Rapid | Sicilian Defense: French Variation | |
| Feb 8, 2026 | Bartczak | 1–0 | Stokes | Sligo 2026 Rapid | Nimzo-Larsen Attack: Indian Variation | |
| Feb 8, 2026 | Reynolds | 0–1 | Bartczak | Sligo 2026 Rapid | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Feb 8, 2026 | Bartczak | 1–0 | Jaiganesh | Sligo 2026 Rapid | ? | |
| Feb 7, 2026 | Bartczak | 1–0 | Machin Arbelo | Sligo 2026 Open | Sicilian Defense: Four Knights Variation | |
| Feb 7, 2026 | Krastev | ½–½ | Bartczak | Sligo 2026 Blitz | Vienna Game: Vienna Gambit, Bardeleben Variation | |
| Feb 7, 2026 | Bartczak | 1–0 | Quinn | Sligo 2026 Blitz | Nimzowitsch Defense: Mikenas Variation | |
| Feb 7, 2026 | Bartczak | ½–½ | Halvorsen | Sligo 2026 Blitz | Sicilian Defense: Classical Variation | |
| Feb 7, 2026 | Boyle | 0–1 | Bartczak | Sligo 2026 Blitz | Sicilian Defense: French Variation, Normal | |
| Feb 7, 2026 | Kelbas | 1–0 | Bartczak | Sligo 2026 Blitz | King's Indian Attack | |
| Feb 7, 2026 | Bartczak | 1–0 | Barbals | Sligo 2026 Blitz | Four Knights Game: Spanish Variation | |
| Feb 7, 2026 | Bartczak | 1–0 | Vitiukov | Sligo 2026 Blitz | Pirc Defense | |
| Feb 7, 2026 | Saine | 1–0 | Bartczak | Sligo 2026 Blitz | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Feb 7, 2026 | Bartczak | 1–0 | Bun | Sligo 2026 Blitz | Sicilian Defense: Closed, Traditional | |
| Feb 7, 2026 | Willems | 1–0 | Bartczak | Sligo 2026 Blitz | English Opening: Anglo-Indian Defense, Queen's Knight Variation | |
| Feb 7, 2026 | Bartczak | 1–0 | Gettins | Sligo 2026 Blitz | French Defense: Marshall Gambit | |
| Feb 6, 2026 | Bartczak | 0–1 | Collins | Sligo 2026 Open | French Defense: Classical Variation, Burn Variation | |
| Feb 5, 2026 | Rakhmangulov | ½–½ | Bartczak | Sligo 2026 Open | Slav Defense: Exchange Variation | |
| Feb 5, 2026 | Bartczak | ½–½ | Willems | Sligo 2026 Open | Caro-Kann Defense: Classical Variation, Spassky Variation | |
| Feb 4, 2026 | Ribeiro | 0–1 | Bartczak | Sligo 2026 Open | King's Indian Attack, with Bf5 | |
| Feb 3, 2026 | Bartczak | ½–½ | Saine | Sligo 2026 Open | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Feb 3, 2026 | Fathallah | 0–1 | Bartczak | Sligo 2026 Open | Semi-Slav Defense: Chigorin Defense | |
| Feb 2, 2026 | Bartczak | ½–½ | Dolan | Sligo 2026 Open | Sicilian Defense: Taimanov Variation, Szén Variation | |
| Mar 23, 2025 | Madzia | ½–½ | Bartczak | Round 5: Madzia, Nathan - Bartczak, Korneliusz | Ponziani Opening: Steinitz Variation | |
| Mar 22, 2025 | Bartczak | 1–0 | B. Berglindardottir | Round 3: Bartczak, Korneliusz - B. Berglindardottir, Emilia Embla | King's Indian Defense: Semi-Averbakh System | |
| Mar 22, 2025 | Bartczak | 0–1 | Alfano | Round 4: Bartczak, Korneliusz - Alfano, Emilie | Sicilian Defense: Taimanov Variation, Gary Gambit | |
| Mar 21, 2025 | Bartczak | ½–½ | Kais | Round 1: Bartczak, Korneliusz - Kais, Kristofer | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Gurgenidze Variation | |
| Mar 21, 2025 | Lebedev | ½–½ | Bartczak | Round 2: Lebedev, Lion - Bartczak, Korneliusz | Queen's Pawn Game: Symmetrical Variation | |
| Feb 2, 2025 | Bartczak | 1–0 | McClean | The Sligo Tournament 2025 - Masters | St. George Defense | |
| Feb 2, 2025 | Arellano | 1–0 | Bartczak | The Sligo Tournament 2025 - Masters | Queen's Pawn Game | |
| Feb 1, 2025 | Bartczak | 1–0 | Shriman K | The Sligo Tournament 2025 - Masters | Dutch Defense: Classical Variation, Huisl Variation | |
| Feb 1, 2025 | Gallagher | ½–½ | Bartczak | The Sligo Tournament 2025 - Masters | Scotch Game: Classical Variation | |
| Jan 31, 2025 | Bartczak | 0–1 | Gajcin | The Sligo Tournament 2025 - Masters | Sicilian Defense: Lasker-Pelikan Variation | |
| Aug 22, 2024 | Gibala | 1–0 | Bartczak | EYCC 2024 - O12 | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jul 25, 2024 | Basnayake | ½–½ | Bartczak | Round 5: Basnayake, Dinuga Sanketh - Bartczak, Korneliusz | Semi-Slav Defense: Stoltz Variation | |
| Jul 24, 2024 | Bartczak | 1–0 | Katukuri | Round 4: Bartczak, Korneliusz - Katukuri, Aarav | Sicilian Defense: O'Kelly Variation, Venice System | |
| Jul 24, 2024 | Sasikumar | 0–1 | Bartczak | Round 3: Sasikumar, Srivathsan - Bartczak, Korneliusz | Caro-Kann Defense: Panov Attack | |
| Jul 23, 2024 | Bartczak | 0–1 | Prabhu | Round 2: Bartczak, Korneliusz - Prabhu, Aadith | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Jul 23, 2024 | Bartczak | 1–0 | Bartlett-Davis | Round 1: Bartczak, Korneliusz - Bartlett-Davis, Otto | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Jun 7, 2024 | Bartczak | 0–1 | Yu | Round 9: Bartczak, Korneliusz - Yu, Rock | Alekhine Defense: Modern Variation, Larsen Variation | |
| Jun 6, 2024 | Nasir | 0–1 | Bartczak | Round 8: Nasir, Farouq - Bartczak, Korneliusz | Caro-Kann Defense: Tartakower Variation | |
| Jun 5, 2024 | Bartczak | 0–1 | Arun | Round 7: Bartczak, Korneliusz - Arun, Nitish | Italian Game: Scotch Gambit, Anderssen Attack | |
| Jun 4, 2024 | Taradajko | 0–1 | Bartczak | Round 6: Taradajko, Seweryn - Bartczak, Korneliusz | Semi-Slav Defense: Normal Variation | |
| Jun 3, 2024 | Golebiowski | ½–½ | Bartczak | Round 5: Golebiowski, Jakub - Bartczak, Korneliusz | Caro-Kann Defense: Tartakower Variation | |
| Jun 3, 2024 | Bartczak | 1–0 | Ferre Obrados | Round 4: Bartczak, Korneliusz - Ferre Obrados, Climent | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Jun 2, 2024 | Bartczak | 0–1 | Leu | Round 3: Bartczak, Korneliusz - Leu, Dragos Stefan | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Jun 1, 2024 | Cole | ½–½ | Bartczak | Round 2: Cole, Ethan - Bartczak, Korneliusz | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| May 31, 2024 | Bartczak | ½–½ | Tallada Serret | Round 1: Bartczak, Korneliusz - Tallada Serret, Gerard | Sicilian Defense: Kalashnikov Variation | |
| Mar 29, 2024 | Lohr | 1–0 | Bartczak | Round 1: Lohr, Maximilian - Bartczak, Korneliusz | Caro-Kann Defense: Maróczy Variation | |
