| Apr 19, 2026 | Laurent-Paoli | 1–0 | Pozimski | EICC 2026 | French Defense: Rubinstein Variation, Fort Knox Variation | |
| Apr 18, 2026 | Pozimski | 1–0 | Noy | EIIC 2026 | Indian Defense: Anti-Nimzo-Indian | |
| Apr 16, 2026 | Salaun | 0–1 | Pozimski | EIIC 2026 | French Defense: King's Indian Attack | |
| Apr 15, 2026 | Pozimski | ½–½ | Brozyna | EIIC 2026 | English Opening: King's English Variation | |
| Apr 14, 2026 | Was | 0–1 | Pozimski | EICC 2026 | French Defense: Wing Gambit | |
| Apr 13, 2026 | Pozimski | 0–1 | Ringuet | EIIC 2026 | Slav Defense: Exchange Variation | |
| Apr 12, 2026 | Krawczyk | 0–1 | Pozimski | EICC 2026 | Sicilian Defense: Nimzo-American Variation | |
| Apr 10, 2026 | Pozimski | ½–½ | Tendera | EICC 2026 | English Opening: Neo-Catalan | |
| Apr 10, 2026 | Truchel | ½–½ | Pozimski | EICC 2026 | Sicilian Defense: Old Sicilian | |
| Apr 8, 2026 | Pozimski | 0–1 | Durucay | EIIC 2026 | Bogo-Indian Defense: Nimzowitsch Variation | |
| Apr 7, 2026 | Stefansson | 1–0 | Pozimski | EIIC 2026 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Apr 6, 2025 | Pozimski | ½–½ | Starley | Round 8: Pozimski, Szymon - Starley, Robert | English Opening: Neo-Catalan | |
| Apr 5, 2025 | Jackson | 1–0 | Pozimski | Round 7: Jackson, Edward - Pozimski, Szymon | Scandinavian Defense: Gubinsky-Melts Defense | |
| Feb 16, 2025 | Snape | 1–0 | Pozimski | Round 6: Snape, Ian L - Pozimski, Szymon | English Opening: Agincourt Defense | |
| Feb 15, 2025 | Pozimski | 1–0 | Thompson | Round 5: Pozimski, Szymon - Thompson, Ian D | Semi-Slav Defense: Accelerated Move Order | |
| Jan 26, 2025 | Pozimski | 0–1 | Pilley | Round 4: Pozimski, Szymon - Pilley, Jack | English Opening: Neo-Catalan | |
| Jan 25, 2025 | Talsma | 0–1 | Pozimski | Round 3: Talsma, Paul - Pozimski, Szymon | Queen's Gambit Accepted: Classical Defense, Main Line | |
| May 6, 2024 | Pozimski | ½–½ | Yao | Round 11: Pozimski, Szymon - Yao, Lan | Catalan Opening: Open Defense, Classical Line | |
| May 5, 2024 | Vijayakumar | 1–0 | Pozimski | Round 10: Vijayakumar, Rishi - Pozimski, Szymon | Semi-Slav Defense: Stoltz Variation, Shabalov Attack | |
| Nov 24, 2024 | Pozimski | 0–1 | Pitcher | Round 2: Pozimski, Szymon - Pitcher, John | English Opening: Symmetrical Variation | |
| Nov 23, 2024 | Sagues | 0–1 | Pozimski | Round 1: Sagues, Vincent - Pozimski, Szymon | Scandinavian Defense: Gubinsky-Melts Defense | |
| Mar 31, 2023 | Colpe | * | Pozimski | Reykjavik Open | ? | |
| Jun 26, 2022 | Pozimski | ½–½ | Lee | 4NCL Main League 1-2 | Zukertort Opening | |
| Jun 25, 2022 | Terbe | ½–½ | Pozimski | 4NCL Main League 1-2 | Scandinavian Defense: Valencian Variation, Main Line | |
| Mar 26, 2022 | Pozimski | ½–½ | Blackburn | 4NCL Main League 1-2 | King's Indian Defense: Orthodox Variation | |
| Dec 19, 2021 | Rudnicki | ½–½ | Pozimski | ME rapid 2021 | Queen's Pawn Game: Accelerated London System | |
| Dec 18, 2021 | Brodowski | 1–0 | Pozimski | ERCC | Queen's Gambit Accepted: Central Variation, McDonnell Defense | |
| Sep 1, 2021 | Kjartansson | 0–1 | Pozimski | European Individual Chess Championship 2021 - Reykjavik Open | Queen's Gambit Accepted | |
| Aug 31, 2021 | Heidarsson | ½–½ | Pozimski | European Individual Chess Championship 2021 - Reykjavik Open | Queen's Gambit Accepted: Central Variation, McDonnell Defense | |
| Aug 30, 2021 | Pozimski | 0–1 | Patt | European Individual Chess Championship 2021 - Reykjavik Open | English Opening: Anglo-Indian Defense, King's Knight Variation | |
| Aug 29, 2021 | Karason | 1–0 | Pozimski | European Individual Chess Championship 2021 - Reykjavik Open | Queen's Gambit Accepted: Central Variation, McDonnell Defense | |
| Aug 28, 2021 | Pozimski | 1–0 | Thorisson | European Individual Chess Championship 2021 - Reykjavik Open | Zukertort Opening: Queen's Gambit Invitation | |
| Aug 27, 2021 | Hillarp Persson | 1–0 | Pozimski | European Individual Chess Championship 2021 - Reykjavik Open | King's Indian Attack: Sicilian Variation | |
| Aug 26, 2021 | Pozimski | 0–1 | Martinovic | European Individual Chess Championship 2021 - Reykjavik Open | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |