| Apr 3, 2026 | Direk | ½–½ | Beckmann | Landesjugendeinzelmeisterschaft in Niedersachsen U18 | English Opening: Mikenas-Carls Variation | |
| Apr 2, 2026 | Beckmann | 1–0 | Oellrich | Landesjugendeinzelmeisterschaft in Niedersachsen U18 | Queen's Gambit Declined: Charousek Variation | |
| Apr 1, 2026 | Oelschlaeger | 0–1 | Beckmann | Landesjugendeinzelmeisterschaft in Niedersachsen U18 | Sicilian Defense: Lasker-Pelikan Variation | |
| Mar 31, 2026 | Beckmann | ½–½ | Burnus | Landesjugendeinzelmeisterschaft in Niedersachsen U18 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Mar 30, 2026 | Alali | 0–1 | Beckmann | Landesjugendeinzelmeisterschaft in Niedersachsen U18 | English Opening: King's English Variation, Taimanov Variation | |
| Mar 30, 2026 | Beckmann | 1–0 | Juettner | Landesjugendeinzelmeisterschaft in Niedersachsen U18 | Queen's Indian Defense: Classical Variation | |
| Mar 29, 2026 | Huels | 1–0 | Beckmann | Landesjugendeinzelmeisterschaft in Niedersachsen U18 | Rapport-Jobava System | |
| Mar 28, 2026 | Beckmann | 1–0 | Borshch | Landesjugendeinzelmeisterschaft in Niedersachsen U18 | Nimzo-Indian Defense: Kmoch Variation | |
| Mar 27, 2026 | Beckmann | * | Gaertner | Landesjugendeinzelmeisterschaft in Niedersachsen U18 | Caro-Kann Defense: Maróczy Variation | |
| Jan 5, 2026 | Moeller | ½–½ | Beckmann | Runde 7: Moeller, Jonas - Beckmann, Jonathan | Sicilian Defense: Lasker-Pelikan Variation | |
| Jan 4, 2026 | Beckmann | 1–0 | Moerke | Runde 6: Beckmann, Jonathan - Moerke, Niklas | Queen's Gambit Declined: Exchange Variation | |
| Jan 4, 2026 | Langer | ½–½ | Beckmann | Runde 5: Langer, Michael S. - Beckmann, Jonathan | Indian Defense: Knights Variation | |
| Jan 3, 2026 | Beckmann | 1–0 | Kanzenbach | Runde 4: Beckmann, Jonathan - Kanzenbach, Moritz | Grünfeld Defense: Three Knights Variation, Petrosian System | |
| Jan 3, 2026 | Rothenberg | 1–0 | Beckmann | Runde 3: Rothenberg, Jannik - Beckmann, Jonathan | Catalan Opening: Open Defense, Classical Line | |
| Jan 2, 2026 | Braun | 0–1 | Beckmann | Runde 1: Braun, Alexander - Beckmann, Jonathan | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Dec 28, 2025 | Beckmann | 0–1 | Kuegel | Runde 2: Beckmann, Jonathan - Kuegel, Tobias | Benko Gambit Accepted: Modern Variation | |
| Jun 14, 2025 | Beckmann | 0–1 | Pimenov | ODJM A 2025 | King's Indian Defense: Normal Variation, Rare Defenses | |
| Jun 13, 2025 | Abou Wally | 0–1 | Beckmann | ODJM A 2025 | Sicilian Defense: Closed | |
| Jun 12, 2025 | Hofmann | 1–0 | Beckmann | ODJM A 2025 | Queen's Gambit Declined: Harrwitz Attack, Two Knights Defense, Blockade Line | |
| Jun 11, 2025 | Beckmann | ½–½ | Beduschi | ODJM A 2025 | Queen's Gambit Accepted: Central Variation, McDonnell Defense | |
| Jun 11, 2025 | Winkler | 1–0 | Beckmann | ODJM A 2025 | Sicilian Defense: Najdorf Variation, Adams Attack | |
| Jun 10, 2025 | Beckmann | 1–0 | Groessing | ODJM A 2025 | Nimzo-Indian Defense: Sämisch Variation | |
| Jun 9, 2025 | Vollmar | ½–½ | Beckmann | ODJM A 2025 | Sicilian Defense: Najdorf Variation, English Attack | |
| Jun 8, 2025 | Beckmann | 0–1 | Longo | ODJM A 2025 | Nimzo-Indian Defense: Kmoch Variation | |
| Jun 8, 2025 | Storm | 0–1 | Beckmann | ODJM A 2025 | Sicilian Defense: Chekhover Variation | |
| May 25, 2025 | Jacobi | 0–1 | Beckmann | Round 5: Jacobi, Felix-Hagen - Beckmann, Jonathan | Sicilian Defense: McDonnell Attack | |
| May 25, 2025 | Beckmann | ½–½ | Brandes | Round 4: Beckmann, Jonathan - Brandes, Stephan | Rat Defense: English Rat | |
| May 24, 2025 | Stotyn | 1–0 | Beckmann | Round 3: Stotyn, Fabian - Beckmann, Jonathan | Sicilian Defense: Closed | |
| May 24, 2025 | Beckmann | 1–0 | Dianov | Round 2: Beckmann, Jonathan - Dianov, Ilja | Nimzo-Indian Defense: Normal Variation, Classical Defense | |
| May 23, 2025 | Labitzki | 0–1 | Beckmann | Round 1: Labitzki, Marek - Beckmann, Jonathan | Sicilian Defense: Closed | |
| Apr 18, 2025 | Beckmann | 1–0 | Kieselbach | Runde 9: Beckmann, Jonathan - Kieselbach, Marvin | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Apr 17, 2025 | Beckmann | 0–1 | Sieber | Runde 8: Beckmann, Jonathan - Sieber, Bert | Sicilian Defense: Accelerated Dragon, Maróczy Bind, Gurgenidze Variation | |
| Apr 16, 2025 | Nguyen | 0–1 | Beckmann | Runde 7: Nguyen, Laurentius - Beckmann, Jonathan | Sicilian Defense: Modern Variations | |
| Apr 16, 2025 | Beckmann | 1–0 | Ivan Jovic | Runde 6: Beckmann, Jonathan - Ivan Jovic | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| Apr 15, 2025 | Freise | 1–0 | Beckmann | Runde 5: Freise, Linus - Beckmann, Jonathan | Sicilian Defense: Mengarini Variation | |
| Apr 14, 2025 | Beckmann | ½–½ | Zweigait | Runde 4: Beckmann, Jonathan - Zweigait, Leon | Sicilian Defense: Four Knights Variation, Exchange Variation | |
| Apr 13, 2025 | Kieselbach | 1–0 | Beckmann | Runde 3: Kieselbach, Jannik - Beckmann, Jonathan | Sicilian Defense: Alapin Variation | |
| Apr 13, 2025 | Beckmann | 1–0 | Wilmink | Runde 2: Beckmann, Jonathan - Wilmink, Anna | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Apr 12, 2025 | Margaryan | 0–1 | Beckmann | Runde 1: Margaryan, Venera - Beckmann, Jonathan | Torre Attack: Classical Defense | |
| Jan 5, 2025 | Beckmann | 1–0 | Buecklers | Round 7: Beckmann, Jonathan - Buecklers, Martin | Modern Defense: Gurgenidze Defense | |
| Jan 4, 2025 | Aden | 1–0 | Beckmann | Round 5: Aden, Keno - Beckmann, Jonathan | Bogo-Indian Defense: Nimzowitsch Variation | |
| Jan 4, 2025 | Harms | ½–½ | Beckmann | Round 6: Harms, Friedjof - Beckmann, Jonathan | Sicilian Defense: Closed | |
| Jan 3, 2025 | Beckmann | ½–½ | Ludwig | Round 4: Beckmann, Jonathan - Ludwig, Bernard, Dr. | Nimzo-Indian Defense: Classical Variation, Berlin Variation | |
| Jan 3, 2025 | Rieping | 1–0 | Beckmann | Round 3: Rieping, Lea - Beckmann, Jonathan | Sicilian Defense: Najdorf Variation, English Attack | |
| Jan 2, 2025 | Beckmann | 1–0 | Nuerenberg | Round 2: Beckmann, Jonathan - Nuerenberg, Marius | Nimzo-Indian Defense: Classical Variation, Noa Variation | |
| Jan 2, 2025 | Scheffner | 1–0 | Beckmann | Round 1: Scheffner, Jarno - Beckmann, Jonathan | Sicilian Defense: Najdorf Variation | |
| May 25, 2024 | Beckmann | ½–½ | Walter | ODJM B 2024 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| May 24, 2024 | Schedel | 0–1 | Beckmann | ODJM B 2024 | Sicilian Defense: Najdorf Variation, Opocensky Variation, Modern Line | |
| May 23, 2024 | Beckmann | 1–0 | Ye | ODJM B 2024 | Slav Defense: Czech Variation, Krause Attack | |
| May 22, 2024 | Beckmann | 1–0 | Borgert | ODJM B 2024 | Queen's Gambit Declined: Exchange Variation, Positional Variation | |
| May 22, 2024 | Malan | * | Beckmann | ODJM B 2024 | English Opening: King's English Variation, Four Knights Variation, Fianchetto Line, with Nb6 | |
| May 21, 2024 | Beckmann | 1–0 | Hendler | ODJM B 2024 | King's Indian Defense: Sämisch Variation, Normal Defense | |
| May 20, 2024 | Lampe | 1–0 | Beckmann | ODJM B 2024 | Sicilian Defense: Alapin Variation, Barmen Defense | |
| May 19, 2024 | Beckmann | 1–0 | Tran | ODJM B 2024 | Modern Defense: Gurgenidze Defense | |
| May 19, 2024 | Hildebrand | 0–1 | Beckmann | ODJM B 2024 | Indian Defense: Spielmann-Indian | |
| Nov 17, 2024 | Beckmann | 0–1 | Poelig | Round 4: Beckmann, Jonathan - Poelig, Juergen | French Defense: Schlechter Variation | |
| Nov 16, 2024 | Beckmann | 0–1 | Wusterack | Round 2: Beckmann, Jonathan - Wusterack, Paul | King's Indian Defense: Normal Variation, Rare Defenses | |
| Nov 16, 2024 | Costello | ½–½ | Beckmann | Round 3: Costello, Colin A - Beckmann, Jonathan | English Opening: King's English Variation, Four Knights Variation, Flexible Line | |
| Nov 15, 2024 | Kieselbach | 1–0 | Beckmann | Round 1: Kieselbach, Marvin - Beckmann, Jonathan | Anderssen's Opening | |