| Apr 19, 2026 | Hackner | ½–½ | Betkowski | new tournament description | Modern Defense: Standard Line | |
| Apr 18, 2026 | Betkowski | 1–0 | Zysko | new tournament description | Trompowsky Attack | |
| Apr 17, 2026 | Gabrys | 0–1 | Betkowski | new tournament description | French Defense: King's Indian Attack | |
| Apr 16, 2026 | Betkowski | 0–1 | Sycz | new tournament description | Indian Defense: Accelerated London System | |
| Apr 14, 2026 | Betkowski | 1–0 | Widelski | new tournament description | Rapport-Jobava System | |
| Apr 14, 2026 | Darowicki | 0–1 | Betkowski | new tournament description | Modern Defense | |
| Apr 13, 2026 | Betkowski | 1–0 | Bar | new tournament description | Indian Defense: Accelerated London System | |
| Apr 12, 2026 | Stefanik | ½–½ | Betkowski | new tournament description | Dutch Defense: Classical Variation, Buenos Aires Variation | |
| Apr 10, 2026 | Betkowski | 0–1 | Ghevondyan | new tournament description | Trompowsky Attack: Poisoned Pawn Variation | |
| Jul 8, 2025 | Lukasiewicz | ½–½ | Betkowski | XXI Baltic Pearl Chess Festival Group C | French Defense: Exchange Variation | |
| Jul 7, 2025 | Gawronski | ½–½ | Betkowski | XXI Baltic Pearl Chess Festival Group C | Horwitz Defense | |
| Jul 5, 2025 | Slawinski | 1–0 | Betkowski | XXI Baltic Pearl Chess Festival Group C | Queen's Pawn Game: Modern Defense | |
| Jul 4, 2025 | Betkowski | ½–½ | Chabowski | XXI Baltic Pearl Chess Festival Group C | Indian Defense | |
| Jul 3, 2025 | Stadnicki | ½–½ | Betkowski | XXI Baltic Pearl Chess Festival Group C | Modern Defense: Two Knights Variation, Suttles Variation | |
| Jul 1, 2025 | Jozwik | ½–½ | Betkowski | XXI Baltic Pearl Chess Festival Group C | Queen's Pawn Game: Modern Defense | |
| Aug 25, 2024 | Betkowski | ½–½ | Cernov | 60. Jubileuszowy Mi?dzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN C | Sicilian Defense: Closed, Chameleon Variation | |
| Aug 24, 2024 | Betkowski | 1–0 | Shilov | 60. Jubileuszowy Mi?dzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN C | Alekhine Defense: Exchange Variation | |
| Aug 23, 2024 | Kot | 0–1 | Betkowski | 60. Jubileuszowy Miedzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN C | Hungarian Opening | |
| Aug 22, 2024 | Betkowski | 1–0 | Poniewierski | 60. Jubileuszowy Miedzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN C | Sicilian Defense: Accelerated Dragon, Modern Variation | |
| Aug 21, 2024 | Meizlin | ½–½ | Betkowski | 60. Jubileuszowy Miedzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN C | French Defense: King's Indian Attack | |
| Aug 20, 2024 | Betkowski | 1–0 | Tust-Kopec | 60. Jubileuszowy Mi?dzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN C | Rapport-Jobava System | |
| Aug 19, 2024 | Milanowski | 1–0 | Betkowski | 60. Jubileuszowy Mi?dzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN C | Horwitz Defense | |
| Aug 18, 2024 | Betkowski | 1–0 | Galyga | 60. Jubileuszowy Mi?dzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN C | French Defense: Burn Variation | |
| Aug 17, 2024 | Urban | 0–1 | Betkowski | 60. Jubileuszowy Mi?dzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN C | Queen's Pawn Game: Modern Defense | |
| Jun 18, 2023 | Betkowski | ½–½ | Shilov | Mistrzostwa Polski Seniorow 2023 | Indian Defense: Reversed Chigorin Defense | |
| Jun 17, 2023 | Czajkowski | ½–½ | Betkowski | Mistrzostwa Polski Seniorow 2023 | Queen's Pawn Game: Modern Defense | |
| Jun 16, 2023 | Betkowski | ½–½ | Czerwonski | Mistrzostwa Polski Seniorow 2023 | Pirc Defense: 150 Attack | |
| Jun 15, 2023 | Betkowski | 1–0 | Leszner | Mistrzostwa Polski Seniorow 2023 | Modern Defense: Standard Defense | |
| Jun 15, 2023 | Sokolowski | ½–½ | Betkowski | Mistrzostwa Polski Seniorow 2023 | Queen's Pawn Game: Modern Defense | |
| Jun 14, 2023 | Betkowski | 1–0 | Krasowski | Mistrzostwa Polski Seniorow 2023 | Indian Defense | |
| Jun 13, 2023 | Pietrzak | ½–½ | Betkowski | Mistrzostwa Polski Seniorow 2023 | French Defense: Winawer Variation, Portisch-Hook Variation | |
| Jun 12, 2023 | Betkowski | 1–0 | Hemmerling | Mistrzostwa Polski Seniorow 2023 | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Jun 12, 2023 | Blasiak | 0–1 | Betkowski | Mistrzostwa Polski Senior�w 2023 | French Defense: Paulsen Variation | |
| Aug 21, 2022 | Paprocki | 1–0 | Betkowski | 58th Rubinstein Memorial | A | French Defense: Tarrasch Variation, Modern System | |
| Aug 20, 2022 | Betkowski | ½–½ | Paszkowski | 58th Rubinstein Memorial | A | Sicilian Defense: Closed, Chameleon Variation | |
| Aug 19, 2022 | Nowak | ½–½ | Betkowski | 58th Rubinstein Memorial | A | French Defense: Paulsen Variation | |
| Aug 18, 2022 | Betkowski | ½–½ | Hetzer | 58th Rubinstein Memorial | A | Benoni Defense: Semi-Benoni | |
| Aug 17, 2022 | Motyl | ½–½ | Betkowski | 58th Rubinstein Memorial | A | French Defense: Tarrasch Variation | |
| Aug 16, 2022 | Betkowski | 0–1 | Kejna | 58th Rubinstein Memorial | A | Pirc Defense: 150 Attack | |
| Aug 15, 2022 | Iwanczuk | ½–½ | Betkowski | 58th Rubinstein Memorial | A | French Defense: Winawer Variation, Portisch-Hook Variation | |
| Aug 14, 2022 | Betkowski | ½–½ | Kasprzak | 58th Rubinstein Memorial | A | Rapport-Jobava System | |
| Aug 13, 2022 | Antoniewicz | ½–½ | Betkowski | 58th Rubinstein Memorial | A | Modern Defense: Standard Line | |
| — | Betkowski | 1–0 | Lisak | rubinsteinE | Trompowsky Attack: Classical Defense | |
| — | Betkowski | 1–0 | Skubis | rubinsteinE | Rapport-Jobava System | |
| — | Betkowski | 1–0 | Szydelko | rubinsteinE | Queen's Pawn Game: Accelerated London System | |
| — | Betkowski | 1–0 | Milanowski | rubinsteinE | Queen's Pawn Game: Chigorin Variation, Alburt Defense | |
| — | Nowak | ½–½ | Betkowski | rubinsteinE | Queen's Pawn Game: Modern Defense | |
| — | Tomalak | ½–½ | Betkowski | rubinsteinE | Zukertort Opening: Kingside Fianchetto | |
| — | Marszk | 1–0 | Betkowski | rubinsteinE | Zukertort Opening: Kingside Fianchetto | |
| — | Kolodziej | ½–½ | Betkowski | rubinsteinE | French Defense: Hecht-Reefschläger Variation | |
| — | Osiecki | ½–½ | Betkowski | rubinsteinE | French Defense: Advance Variation, Paulsen Attack | |