| Apr 20, 2026 | Czajkowski | * | Wysocki | Indywidualne Mistrzostwa Polski Seniorow 2026 - grupa 65+ | Dutch Defense: Staunton Gambit Accepted | |
| Apr 19, 2026 | Wesolowska | ½–½ | Czajkowski | Indywidualne Mistrzostwa Polski Seniorow 2026 - grupa 65+ | Grünfeld Defense: Three Knights Variation, Burille Variation | |
| Apr 18, 2026 | Czajkowski | ½–½ | Duszczak | Indywidualne Mistrzostwa Polski Seniorow 2026 - grupa 65+ | King's Indian Defense: Averbakh Variation, Flexible Defense | |
| Apr 17, 2026 | Gasik | 1–0 | Czajkowski | Indywidualne Mistrzostwa Polski Seniorow 2026 - grupa 65+ | English Opening: Symmetrical Variation, Two Knights Variation | |
| Apr 17, 2026 | Czajkowski | ½–½ | Siewert | Indywidualne Mistrzostwa Polski Seniorow 2026 - grupa 65+ | King's Indian Defense: Averbakh Variation, Benoni Defense, Advance Variation | |
| Apr 16, 2026 | Czepczynski | 0–1 | Czajkowski | Indywidualne Mistrzostwa Polski Seniorow 2026 - grupa 65+ | English Opening: Symmetrical Variation, Mecking Variation | |
| Apr 15, 2026 | Szymanski | 0–1 | Czajkowski | Indywidualne Mistrzostwa Polski Seniorow 2026 - grupa 65+ | French Defense: Exchange Variation | |
| Apr 14, 2026 | Czajkowski | 1–0 | Kupiak | Indywidualne Mistrzostwa Polski Seniorow 2026 - grupa 65+ | Indian Defense: Budapest Defense | |
| Apr 13, 2026 | Czajkowski | 0–1 | Shilov | Indywidualne Mistrzostwa Polski Seniorow 2026 - grupa 65+ | English Defense | |
| Apr 12, 2025 | Stuer | 1–0 | Czajkowski | ESTCC65 | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| Apr 11, 2025 | Czajkowski | 1–0 | Vinke | ESTCC65 | King's Indian Defense: Orthodox Variation, Positional Defense | |
| Apr 10, 2025 | Vatter | 1–0 | Czajkowski | ESTCC65 | French Defense: Advance Variation | |
| Apr 9, 2025 | Czajkowski | ½–½ | Topchii | ESTCC65 | Dutch Defense: Stonewall Variation, Modern Variation | |
| Apr 8, 2025 | Higgie | 1–0 | Czajkowski | ESTCC65 | Grünfeld Defense: Exchange Variation, Spassky Variation | |
| Apr 7, 2025 | Czajkowski | 1–0 | Novak | ESTCC65 | Polish Defense | |
| Apr 6, 2025 | Large | 1–0 | Czajkowski | ESTCC65 | French Defense: Burn Variation | |
| Apr 5, 2025 | Czajkowski | ½–½ | Mueller | ESTCC65 | Semi-Slav Defense: Meran Variation | |
| Aug 25, 2024 | Czajkowski | 0–1 | Bugajski | 60. Jubileuszowy Mi?dzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN C | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| Aug 24, 2024 | Gromada | 0–1 | Czajkowski | 60. Jubileuszowy Mi?dzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN C | Grünfeld Defense: Exchange Variation | |
| Aug 23, 2024 | Czajkowski | 1–0 | Chubar | 60. Jubileuszowy Miedzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN C | Dutch Defense: Stonewall Variation, Modern Variation | |
| Aug 22, 2024 | Szymanski | ½–½ | Czajkowski | 60. Jubileuszowy Miedzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN C | French Defense: Exchange Variation | |
| Aug 21, 2024 | Czajkowski | ½–½ | Skubis | 60. Jubileuszowy Miedzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN C | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| Aug 20, 2024 | Remen | 0–1 | Czajkowski | 60. Jubileuszowy Mi?dzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN C | French Defense: Advance Variation | |
| Aug 19, 2024 | Czajkowski | 1–0 | Stoop | 60. Jubileuszowy Mi?dzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN C | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Aug 17, 2024 | Czajkowski | 0–1 | Rajtar | 60. Jubileuszowy Mi?dzynarodowy Festiwal Szachowy Akiby Rubinsteina - OPEN C | Queen's Gambit Declined: Queen's Knight Variation | |
| Jul 11, 2024 | Czajkowski | ½–½ | Karnaukh | wstcc2024o65 | Slav Indian | |
| Jul 10, 2024 | Czajkowski | ½–½ | Van Herck | wstcc2024o65 | King's Indian Defense: Orthodox Variation | |
| Jul 9, 2024 | Kiefer | 1–0 | Czajkowski | wstcc2024o65 | French Defense: Tarrasch Variation, Open System, Main Line | |
| Jul 7, 2024 | Czajkowski | ½–½ | Joentausta | wstcc2024o65 | Nimzo-Indian Defense: St. Petersburg Variation | |
| Jul 6, 2024 | Cocozza | ½–½ | Czajkowski | wstcc2024o65 | French Defense: Tarrasch Variation, Chistyakov Defense, Modern Line | |
| Jul 5, 2024 | Czajkowski | ½–½ | Oehlerich | wstcc2024o65 | Semi-Slav Defense: Main Line | |
| Jul 4, 2024 | Glaessl | ½–½ | Czajkowski | wstcc2024o65 | French Defense: Winawer Variation, Bogoljubow Variation | |
| Jul 3, 2024 | Baker | 1–0 | Czajkowski | wstcc2024o65 | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Jul 2, 2024 | Booth | 0–1 | Czajkowski | wst65 | Grünfeld Defense: Brinckmann Attack, Grünfeld Gambit | |
| Jul 20, 2023 | Czajkowski | 0–1 | Glatt | European Senior Team Chess Championship 2023 65+ | King's Indian Defense: Orthodox Variation, Positional Defense | |
| Jul 19, 2023 | Lanc | 1–0 | Czajkowski | European Senior Team Chess Championship 2023 65+ | French Defense: Winawer Variation, Alekhine-Maróczy Gambit | |
| Jul 18, 2023 | Czajkowski | ½–½ | Gasik | European Senior Team Chess Championship 2023 65+ | Dutch Defense: Fianchetto Variation | |
| Jul 17, 2023 | Williams | 0–1 | Czajkowski | European Senior Team Chess Championship 2023 65+ | Nimzo-Larsen Attack: Indian Variation | |
| Jul 16, 2023 | Czajkowski | 1–0 | Kierzek | European Senior Team Chess Championship 2023 65+ | Slav Defense: Quiet Variation, Schallopp Defense | |
| Jul 15, 2023 | Vatter | 1–0 | Czajkowski | European Senior Team Chess Championship 2023 65+ | French Defense: Advance Variation, Wade Variation | |
| Jul 14, 2023 | Roos | 0–1 | Czajkowski | European Senior Team Chess Championship 2023 65+ | French Defense: Advance Variation, Wade Variation | |
| Jul 13, 2023 | Czajkowski | 1–0 | Jorgensen | European Senior Team Chess Championship 2023 65+ | Dutch Defense: Semi-Leningrad Variation | |
| Jul 12, 2023 | Baker | 1–0 | Czajkowski | European Senior Team Chess Championship 2023 65+ | French Defense: Two Knights Variation | |
| Jun 18, 2023 | Klimaszewski | ½–½ | Czajkowski | Mistrzostwa Polski Seniorow 2023 | King's Indian Attack: Sicilian Variation | |
| Jun 17, 2023 | Czajkowski | ½–½ | Betkowski | Mistrzostwa Polski Seniorow 2023 | Queen's Pawn Game: Modern Defense | |
| Jun 16, 2023 | Czajkowski | 1–0 | Bugajski | Mistrzostwa Polski Seniorow 2023 | Grünfeld Defense: Exchange Variation, Modern Exchange Variation | |
| Jun 15, 2023 | Siewert | 0–1 | Czajkowski | Mistrzostwa Polski Seniorow 2023 | French Defense: King's Indian Attack | |
| Jun 15, 2023 | Barwinski | ½–½ | Czajkowski | Mistrzostwa Polski Seniorow 2023 | Queen's Gambit Declined: Harrwitz Attack | |
| Jun 14, 2023 | Czajkowski | ½–½ | Kawula | Mistrzostwa Polski Seniorow 2023 | Queen's Gambit Declined | |
| Jun 13, 2023 | Czajkowski | 1–0 | Sosnowska | Mistrzostwa Polski Seniorow 2023 | Tarrasch Defense: Two Knights Variation | |
| Jun 12, 2023 | Czajkowski | 1–0 | Gasik | Mistrzostwa Polski Senior�w 2023 | Dutch Defense: Semi-Leningrad Variation | |
| Jun 12, 2023 | Lukasiewicz | ½–½ | Czajkowski | Mistrzostwa Polski Seniorow 2023 | French Defense: Exchange Variation | |
| — | Czajkowski | 1–0 | Wrzos | rubinsteinE | Queen's Pawn Game: Symmetrical Variation | |
| — | Czajkowski | ½–½ | Szydelko | rubinsteinE | Queen's Gambit Declined: Modern Variation, Normal Line | |
| — | Czajkowski | ½–½ | Kolodziej | rubinsteinE | King's Indian Defense: Orthodox Variation, Classical System, Neo-Classical Line | |
| — | Czajkowski | ½–½ | Chubar | rubinsteinE | Bogo-Indian Defense: Nimzowitsch Variation | |
| — | Czajkowski | 1–0 | Wierzbicka | rubinsteinE | London System | |
| — | Zbrzezny | 0–1 | Czajkowski | rubinsteinE | Indian Defense: Przepiorka Variation | |
| — | Fikus | 0–1 | Czajkowski | rubinsteinE | Grünfeld Defense: Three Knights Variation | |
| — | Stepien | 1–0 | Czajkowski | rubinsteinE | Indian Defense: Anti-Grünfeld, Basman-Williams Attack | |
| — | Kwiecien | ½–½ | Czajkowski | rubinsteinE | French Defense: Tarrasch Variation, Open System, Süchting Line | |