| Jan 9, 2026 | Zaja | ½–½ | Pein | Open Bosnjaci 2026. | King's Indian Defense: Sämisch Variation, Yates Defense | |
| Jan 8, 2026 | Pein | 1–0 | Ghersinich | Open Bosnjaci 2026. | Queen's Pawn Game: Accelerated London System | |
| Jan 7, 2026 | Jovanovic | ½–½ | Pein | Open Bosnjaci 2026. | Scandinavian Defense: Mieses-Kotroc Variation | |
| Jan 6, 2026 | Pein | ½–½ | Besedes | Open Bosnjaci 2026. | Queen's Pawn Game: Accelerated London System | |
| Jan 6, 2026 | Zelcic | ½–½ | Pein | Open Bosnjaci 2026. | Sicilian Defense: Accelerated Dragon, Modern Variation | |
| Jan 6, 2026 | Milat | 0–1 | Pein | Open Bosnjaci 2026. | Catalan Opening | |
| Jan 4, 2026 | Pein | 1–0 | Tomic | Open Bosnjaci 2026. | Queen's Pawn Game: Symmetrical Variation | |
| Jan 4, 2026 | Mestrovic | ½–½ | Pein | Open Bosnjaci 2026. | Sicilian Defense: Snyder Variation | |
| Jan 3, 2026 | Pein | 1–0 | Kajic | Open Bosnjaci 2026. | Nimzo-Larsen Attack: Indian Variation | |
| Dec 7, 2025 | Doran | 0–1 | Pein | Round 9: Doran, Chris - Pein, Jonathan | French Defense: Tarrasch Variation, Haberditz Variation | |
| Nov 2, 2025 | Pein | 0–1 | York-Weaving | Round 2: Pein, Jonathan - York-Weaving, Richard | Four Knights Game: Glek System | |
| Nov 1, 2025 | Emms | 1–0 | Pein | Round 1: Emms, John M - Pein, Jonathan | French Defense: Tarrasch Variation, Morozevich Variation | |
| Sep 20, 2025 | Roberson | 1–0 | Pein | 2025 UK Open Blitz Qualifier: London 3 (Golders Green) | Lion Defense: Lion's Jaw | |
| Sep 20, 2025 | Pein | 0–1 | Gasanov | 2025 UK Open Blitz Qualifier: London 3 (Golders Green) | Nimzo-Larsen Attack: Modern Variation | |
| Sep 20, 2025 | Bryant | 0–1 | Pein | 2025 UK Open Blitz Qualifier: London 3 (Golders Green) | Philidor Defense: Exchange Variation | |
| Sep 20, 2025 | Pein | ½–½ | Yoon | 2025 UK Open Blitz Qualifier: London 3 (Golders Green) | Caro-Kann Defense: Euwe Attack | |
| Sep 20, 2025 | Pein | 0–1 | Badacsonyi | 2025 UK Open Blitz Qualifier: London 3 (Golders Green) | French Defense: Réti-Spielmann Attack | |
| Sep 18, 2025 | Speelman | 0–1 | Pein | 2025 UK Open Blitz Qualifier: London 3 (Golders Green) | King's Indian Defense: Normal Variation, King's Knight Variation | |
| May 5, 2025 | Hobson | 1–0 | Pein | Round 11: Hobson, Kenneth - Pein, Jonathan | French Defense: Winawer Variation, Alekhine-Maróczy Gambit | |
| May 4, 2025 | Pein | 0–1 | Shearsby | Round 10: Pein, Jonathan - Shearsby, Jude | Sicilian Defense: Moscow Variation | |
| May 3, 2025 | Goh | 0–1 | Pein | Round 9: Goh, Jinghan Cameron - Pein, Jonathan | Queen's Gambit Declined: Chigorin Defense, Main Line | |
| Feb 16, 2025 | Sucikova | 1–0 | Pein | Round 6: Sucikova, Svetlana - Pein, Jonathan | King's Indian Attack | |
| Feb 15, 2025 | Pein | ½–½ | Mason | Round 5: Pein, Jonathan - Mason, Donald J | King's Indian Attack: Symmetrical Defense | |
| Jan 26, 2025 | Pein | 1–0 | Mestel | Round 4: Pein, Jonathan - Mestel, A Jonathan | Caro-Kann Defense: Exchange Variation, Rubinstein Variation | |
| Jan 25, 2025 | Macklin | ½–½ | Pein | Round 3: Macklin, Paul - Pein, Jonathan | French Defense: Advance Variation, Euwe Variation | |
| Jul 31, 2024 | Hryshchenko | ½–½ | Pein | Round 5: Hryshchenko, Kamila - Pein, Jonathan | French Defense: King's Indian Attack | |
| Jul 29, 2024 | Mitchell | ½–½ | Pein | Round 3: Mitchell, Martin - Pein, Jonathan | London System: Poisoned Pawn Variation | |
| Jul 28, 2024 | Pein | ½–½ | Murawski | Round 2: Pein, Jonathan - Murawski, Jan | Four Knights Game: Scotch Variation Accepted | |
| Jul 27, 2024 | Rathbone-Jones | 1–0 | Pein | Round 1: Rathbone-Jones, Ifan - Pein, Jonathan | Philidor Defense | |
| May 6, 2024 | Li | 1–0 | Pein | Round 11: Li, Harry - Pein, Jonathan | Sicilian Defense: Dragon Variation | |
| May 5, 2024 | Camacho Collados | 0–1 | Pein | Round 10: Camacho Collados, Jose - Pein, Jonathan | Pseudo Queen's Indian Defense | |
| May 4, 2024 | Pein | 1–0 | Bates | Round 9: Pein, Jonathan - Bates, Richard A | Sicilian Defense: Modern Variations | |
| Apr 14, 2024 | Chow | ½–½ | Pein | Round 9: Chow, Samuel - Pein, Jonathan | Queen's Gambit | |
| Apr 14, 2024 | Pein | 0–1 | O`Gorman | Round 8: Pein, Jonathan - O`Gorman, Tom | Italian Game: Rosentreter Gambit | |
| Apr 12, 2024 | Pein | 1–0 | Kanyamarala | Round 5: Pein, Jonathan - Kanyamarala, Trisha | Sicilian Defense: Classical Variation | |
| Apr 12, 2024 | Dunnington | ½–½ | Pein | Round 4: Dunnington, Angus J - Pein, Jonathan | Zukertort Opening | |
| Apr 11, 2024 | Pein | 1–0 | Pal | Round 3: Pein, Jonathan - Pal, Rohan | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Apr 11, 2024 | Ledger | 0–1 | Pein | Round 2: Ledger, Andrew J - Pein, Jonathan | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Apr 10, 2024 | Pein | ½–½ | Gourlay | Round 1: Pein, Jonathan - Gourlay, Iain | Caro-Kann Defense: Tartakower Variation | |
| Mar 17, 2024 | Pein | ½–½ | Durak | Round 8: Pein, Jonathan - Durak, Can | Sicilian Defense: Richter-Rauzer Variation | |
| Mar 16, 2024 | Csonka | ½–½ | Pein | Round 7: Csonka, Balazs - Pein, Jonathan | Queen's Gambit Declined: Janowski Variation | |
| Jan 14, 2024 | Pein | 1–0 | Cont | 4NCL Division 1 2023-2024 | Vienna Game: Falkbeer Variation | |
| Jan 13, 2024 | Clarke | 1–0 | Pein | 4NCL Division 1 2023-2024 | French Defense: Winawer Variation, Advance Variation | |
| Nov 24, 2024 | Pein | 0–1 | Jones | Round 2: Pein, Jonathan - Jones, Steven A | Rapport-Jobava System | |
| Nov 23, 2024 | Wilks | 0–1 | Pein | Round 1: Wilks, Simon - Pein, Jonathan | Scandinavian Defense: Main Line, Mieses Variation | |
| Aug 3, 2024 | Pein | 0–1 | Motwani | Round 8: Pein, Jonathan - Motwani, Paul | Sicilian Defense: Lasker-Dunne Attack | |
| Aug 2, 2024 | Kanyamarala | 0–1 | Pein | Round 7: Kanyamarala, Trisha - Pein, Jonathan | Queen's Gambit Declined: Chigorin Defense, Lazard Gambit | |
| Aug 1, 2024 | Pein | ½–½ | Starley | Round 6: Pein, Jonathan - Starley, Robert | Vienna Gambit, with Max Lange Defense | |
| Jul 30, 2024 | Pein | 1–0 | Evans | Round 4: Pein, Jonathan - Evans, Ruben | French Defense: Steinitz Variation, Gledhill Attack | |
| Nov 12, 2023 | Greet | ½–½ | Pein | 4NCL Division 1 2023-2024 | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Nov 11, 2023 | Pein | 1–0 | Shafi | 4NCL Division 1 2023-2024 | Italian Game: Rosentreter Gambit | |
| May 1, 2023 | Pein | 1–0 | Kirk | 4NCL Division 1 2022-2023 | Sicilian Defense: Kalashnikov Variation | |
| Apr 30, 2023 | Grieve | 1–0 | Pein | 4NCL Division 1 2022-2023 | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Apr 29, 2023 | Pein | ½–½ | McDonald | 4NCL Division 1 2022-2023 | French Defense: Exchange Variation | |
| Feb 12, 2023 | Derakhshani | 0–1 | Pein | 4NCL Division 1 2022-2023 | French Defense: Steinitz Variation | |
| Feb 11, 2023 | Pein | ½–½ | Hill | 4NCL Division 1 2022-2023 | Sicilian Defense: Lasker-Dunne Attack | |
| Jan 15, 2023 | Delaney | 1–0 | Pein | 4NCL Division 1 2022-2023 | King's Indian Defense: Normal Variation | |
| Jan 14, 2023 | Pein | 1–0 | Bates | 4NCL Division 1 2022-2023 | Sicilian Defense: Closed, Anti-Sveshnikov Variation, with Nf6 | |
| Dec 17, 2022 | Gaehwiler | 1–0 | Pein | European Rapid Chess Championship 2022 | Queen's Indian Accelerated | |
| Dec 16, 2022 | Pein | 0–1 | Drozdowski | European Blitz Chess Championship 2022 | Sicilian Defense: Lasker-Dunne Attack | |
| Dec 16, 2022 | Pein | 0–1 | Ribeiro | ebrcc2022 | Sicilian Defense: Lasker-Dunne Attack | |
| Dec 16, 2022 | Pein | 1–0 | Golek-Schild | ebrcc2022 | Pirc Defense | |
| Dec 16, 2022 | Pein | 0–1 | Plichta | Katowice | Modern Defense | |
| Dec 16, 2022 | Pein | 1–0 | Zamekhovskiy | ebrcc2022 | Caro-Kann Defense | |
| Dec 16, 2022 | Pein | 1–0 | Dubnevych | ebrcc2022 | Queen's Pawn Game: Colle System | |
| Dec 16, 2022 | Drozdowski | 1–0 | Pein | European Blitz Chess Championship 2022 | Philidor Defense: Exchange Variation | |
| Dec 16, 2022 | Piotrowski | 1–0 | Pein | ebrcc2022 | Sicilian Defense: Lasker-Dunne Attack | |
| Dec 16, 2022 | Ribeiro | 0–1 | Pein | ebrcc2022 | Queen's Indian Accelerated | |
| Dec 16, 2022 | Golek-Schild | 0–1 | Pein | ebrcc2022 | Modern Defense | |
| Dec 16, 2022 | Plichta | 1–0 | Pein | Katowice | Scandinavian Defense: Main Line, Mieses Variation | |
| Dec 16, 2022 | Zamekhovskiy | 1–0 | Pein | ebrcc2022 | Indian Defense: Przepiorka Variation | |
| Dec 16, 2022 | Dubnevych | 0–1 | Pein | ebrcc2022 | Queen's Pawn Game: Modern Defense | |
| Oct 23, 2022 | Movileanu | 0–1 | Pein | 4NCL Division 1 2022-2023 | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Oct 22, 2022 | Pein | ½–½ | Cooper | 4NCL Division 1 2022-2023 | Sicilian Defense: Lasker-Dunne Attack | |
| Jun 26, 2022 | Pein | 1–0 | Horton | 4NCL Main League 1-2 | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Jun 25, 2022 | McKay | ½–½ | Pein | 4NCL Main League 1-2 | Mieses Opening: Reversed Rat | |
| May 2, 2022 | Pein | 1–0 | Astaneh Lopez | 4NCL Main League 1-2 | Caro-Kann Defense: Breyer Variation | |
| May 1, 2022 | Pein | ½–½ | Kett | 4NCL Main League 1-2 | King's Indian Attack: Symmetrical Defense | |
| Apr 30, 2022 | Stoica | 0–1 | Pein | 4NCL Main League 1-2 | Scandinavian Defense: Main Line | |
| Sep 24, 2021 | Stojkoski | * | Pein | 36th European Club Cup | ? | |
| Sep 23, 2021 | Pein | 0–1 | Torres Sanchez | 36th European Club Cup | Sicilian Defense: French Variation | |
| Sep 22, 2021 | Haag | ½–½ | Pein | 36th European Club Cup | Queen's Gambit Declined: Westphalian Variation | |
| Sep 21, 2021 | Pein | 0–1 | Rozentalis | 36th European Club Cup | French Defense: Tarrasch Variation, Open System | |
| Sep 20, 2021 | Schwerteck | * | Pein | 36th European Club Cup | ? | |
| Sep 19, 2021 | Pein | * | Reichardt | 36th European Club Cup | ? | |
| Sep 18, 2021 | Ahmadzada | * | Pein | 36th European Club Cup | ? | |
| Jun 20, 2021 | Finek | 1–0 | Pein | Prague Chess Festival - Open | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Jun 19, 2021 | Pein | 1–0 | Wachinger | Prague Chess Festival - Open | Sicilian Defense: Najdorf Variation | |
| Jun 18, 2021 | Pein | 1–0 | Vorisek | Prague Chess Festival - Open | ? | |
| Jun 18, 2021 | Rasik | ½–½ | Pein | Prague Chess Festival - Open | Scandinavian Defense: Main Line | |
| Jun 17, 2021 | Frank | ½–½ | Pein | Prague Chess Festival - Open | ? | |
| Jun 16, 2021 | Pein | * | Pahl | Prague Chess Festival - Open | ? | |
| Jun 15, 2021 | Pein | 0–1 | Nasuta | Prague Chess Festival - Open | Sicilian Defense: Löwenthal Variation | |
| Jun 14, 2021 | Pavlicek | * | Pein | Prague Chess Festival - Open | ? | |
| May 21, 2021 | Ongut | ½–½ | Pein | Vezerkepzo IM May | Zukertort Opening | |
| May 20, 2021 | Pein | 1–0 | Louis | Vezerkepzo IM May | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| May 19, 2021 | Kahn | 0–1 | Pein | Vezerkepzo IM May | Queen's Indian Accelerated | |
| May 18, 2021 | Pein | 0–1 | Bokros | Vezerkepzo IM May | Sicilian Defense: Lasker-Dunne Attack | |
| May 17, 2021 | Nemec | ½–½ | Pein | Vezerkepzo IM May | Philidor Defense: Exchange Variation | |
| May 16, 2021 | Pein | 1–0 | Konyves | Vezerkepzo IM May | Sicilian Defense: Lasker-Dunne Attack | |