| Jun 7, 2026 | Boidman | 1–0 | Steinbrenner | Round 7: Boidman, Yuri - Steinbrenner, Peter | Sicilian Defense: Chekhover Variation | |
| Jun 6, 2026 | Steinbrenner | ½–½ | Bleecke | Round 6: Steinbrenner, Peter - Bleecke, Sebastian | Ruy Lopez: Closed, Chigorin Defense, Panov System | |
| Jun 6, 2026 | Pieper | ½–½ | Steinbrenner | Round 5: Pieper, Dawid - Steinbrenner, Peter | Sicilian Defense: O'Kelly Variation, Normal System | |
| May 30, 2026 | Zargaran | 0–1 | Steinbrenner | DEM U12 2026 | Sicilian Defense: O'Kelly Variation, Yerevan System | |
| May 29, 2026 | Steinbrenner | 1–0 | Katzenstein | DEM U12 2026 | Rapport-Jobava System | |
| May 28, 2026 | Meitzner | 1–0 | Steinbrenner | DEM U12 2026 | Queen's Gambit Declined: Janowski Variation | |
| May 27, 2026 | Steinbrenner | 1–0 | Krishnan | DEM U12 2026 | Caro-Kann Defense: Two Knights Attack | |
| May 27, 2026 | Mueller | 1–0 | Steinbrenner | DEM U12 2026 | Sicilian Defense: Closed | |
| May 26, 2026 | Steinbrenner | ½–½ | Stahlberg | DEM U12 2026 | Sicilian Defense: Najdorf Variation, Opocensky Variation, Modern Line | |
| May 25, 2026 | Cao | 0–1 | Steinbrenner | DEM U12 2026 | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | |
| May 24, 2026 | Steinbrenner | 1–0 | Braner | DEM U12 2026 | French Defense: Advance Variation, Main Line | |
| May 24, 2026 | Marx | ½–½ | Steinbrenner | DEM U12 2026 | Sicilian Defense: Najdorf Variation, Zagreb Variation | |
| Mar 29, 2026 | Steinbrenner | 1–0 | Schimmelpfennig | 93. Pfälzischer Schachkongress 2026 | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Mar 29, 2026 | Wawruch | * | Steinbrenner | 93. Pfälzischer Schachkongress 2026 | ? | |
| Mar 28, 2026 | Steinbrenner | ½–½ | Weller | Runde 2: Steinbrenner, Peter - Weller, Werner | Queen's Pawn Game | |
| Mar 27, 2026 | Wolf | 0–1 | Steinbrenner | Runde 1: Wolf, Harald - Steinbrenner, Peter | Zukertort Opening: Sicilian Invitation | |
| Dec 21, 2025 | Sickmann | 1–0 | Steinbrenner | Round 5: Sickmann, Lisa - Steinbrenner, Peter | Sicilian Defense: Najdorf Variation, Amsterdam Variation | |
| Nov 20, 2025 | Pajeken | 1–0 | Steinbrenner | Heusenstamm Sparkassen Open 2025 | English Opening: Symmetrical Variation | |
| Oct 5, 2025 | Oellrich | 0–1 | Steinbrenner | Deutsche Ländermeisterschaft 2025 | Queen's Gambit Declined: Three Knights Variation | |
| Oct 4, 2025 | Steinbrenner | 0–1 | Shevchenko | Deutsche Ländermeisterschaft 2025 | Rapport-Jobava System | |
| Oct 3, 2025 | Steinbrenner | 1–0 | Margaryan | Deutsche Ländermeisterschaft 2025 | Polish Opening | |
| Oct 3, 2025 | Schirmbeck | ½–½ | Steinbrenner | Deutsche Ländermeisterschaft 2025 | Indian Defense: Anti-Nimzo-Indian | |
| Oct 2, 2025 | Steinbrenner | 1–0 | Prokscha | Deutsche Ländermeisterschaft 2025 | Rapport-Jobava System | |
| Oct 1, 2025 | Allen | ½–½ | Steinbrenner | Deutsche Ländermeisterschaft 2025 | Queen's Gambit Declined: Ragozin Defense | |
| Oct 1, 2025 | Glotz | 0–1 | Steinbrenner | Deutsche Ländermeisterschaft 2025 | Rapport-Jobava System | |
| Jun 22, 2025 | Notz | 0–1 | Steinbrenner | Round 7: Notz, Lukas - Steinbrenner, Peter | English Opening: Symmetrical Variation, Three Knights Variation | |
| Jun 21, 2025 | Guelsen | 1–0 | Steinbrenner | Round 5: Guelsen, Taylan - Steinbrenner, Peter | English Opening: Symmetrical Variation, Normal Variation | |
| Jun 19, 2025 | Steinbrenner | 0–1 | Ollenberger | Round 2: Steinbrenner, Peter - Ollenberger, Roland | Polish Opening: Outflank Variation | |
| Jun 14, 2025 | Hoppe | 0–1 | Steinbrenner | DEM U12 2025 | Catalan Opening: Closed | |
| Jun 13, 2025 | Steinbrenner | ½–½ | Gersemann | DEM U12 2025 | Nimzo-Larsen Attack: Classical Variation | |
| Jun 12, 2025 | Belin | 1–0 | Steinbrenner | DEM U12 2025 | Ruy Lopez: Morphy Defense | |
| Jun 11, 2025 | Steinbrenner | ½–½ | Li | DEM U12 2025 | Polish Opening | |
| Jun 11, 2025 | Naumann | 0–1 | Steinbrenner | DEM U12 2025 | Sicilian Defense: Alapin Variation | |
| Jun 10, 2025 | Steinbrenner | 1–0 | Ziem | DEM U12 2025 | Ruy Lopez: Closed, Martinez Variation | |
| Jun 9, 2025 | Rogner | ½–½ | Steinbrenner | DEM U12 2025 | Sicilian Defense: Alapin Variation | |
| Jun 8, 2025 | Steinbrenner | 1–0 | Baumann | DEM U12 2025 | Rapport-Jobava System, with e6 | |
| Jun 8, 2025 | Wettstein | ½–½ | Steinbrenner | DEM U12 2025 | Sicilian Defense: Najdorf Variation | |
| Dec 30, 2024 | Steinbrenner | 0–1 | Dersewski | DVM U14 2024 | Rapport-Jobava System | |
| Dec 29, 2024 | Riechenberg | ½–½ | Steinbrenner | DVM U14 2024 | Catalan Opening: Closed | |
| Dec 29, 2024 | Geschke | 1–0 | Steinbrenner | DVM U14 2024 | Nimzo-Indian Defense: Classical Variation, Berlin Variation | |
| Dec 28, 2024 | Steinbrenner | 1–0 | Retzlaff | DVM U14 2024 | Rapport-Jobava System | |
| Dec 28, 2024 | Muller | 1–0 | Steinbrenner | DVM U14 2024 | Sicilian Defense: Snyder Variation | |
| Dec 27, 2024 | Steinbrenner | 0–1 | Ramming | DVM U14 2024 | Polish Opening | |
| Dec 27, 2024 | Botschek | 0–1 | Steinbrenner | DVM U14 2024 | Sicilian Defense: Closed | |
| Oct 6, 2024 | Brunner | 1–0 | Steinbrenner | Deutsche Ländermeisterschaft 2024 | Polish Opening | |
| Oct 5, 2024 | Steinbrenner | ½–½ | Bezsonna | Deutsche Ländermeisterschaft 2024 | King's Indian Defense: Fianchetto Variation, Uhlmann-Szabo System | |
| Oct 5, 2024 | Geist | 0–1 | Steinbrenner | Deutsche Ländermeisterschaft 2024 | Sicilian Defense: Najdorf Variation, Lipnitsky Attack | |
| Oct 4, 2024 | Steinbrenner | 1–0 | Huppert | Deutsche Ländermeisterschaft 2024 | King's Indian Attack | |
| Oct 4, 2024 | Aguike | 0–1 | Steinbrenner | Deutsche Ländermeisterschaft 2024 | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Oct 3, 2024 | Steinbrenner | 1–0 | Fischermann | Deutsche Ländermeisterschaft 2024 | Ruy Lopez: Closed, Breyer Defense, Zaitsev Hybrid | |
| Oct 3, 2024 | Loos | 0–1 | Steinbrenner | Deutsche Ländermeisterschaft 2024 | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Aug 31, 2024 | Koyunoglu | 1–0 | Steinbrenner | EYCC 2024 - O10 | Sicilian Defense: Moscow Variation, Sokolsky Variation | |
| Aug 30, 2024 | Steinbrenner | ½–½ | Perez Solanas | EYCC 2024 - O10 | King's Indian Attack | |
| Aug 29, 2024 | Blekh | 0–1 | Steinbrenner | EYCC 2024 - O10 | King's Indian Attack | |
| Aug 28, 2024 | Steinbrenner | ½–½ | Buklaho | EYCC 2024 - O10 | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Aug 26, 2024 | Pasca | 0–1 | Steinbrenner | EYCC 2024 - O10 | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Aug 25, 2024 | Steinbrenner | ½–½ | Scrimieri | EYCC 2024 - O10 | Nimzo-Indian Defense: Normal Variation, Classical Defense | |
| Aug 24, 2024 | Lutskiy | ½–½ | Steinbrenner | EYCC 2024 - O10 | Sicilian Defense: Moscow Variation, Main Line | |
| Aug 23, 2024 | Steinbrenner | ½–½ | Dayal | EYCC 2024 - O10 | Rapport-Jobava System | |
| Aug 22, 2024 | Bucek | 0–1 | Steinbrenner | EYCC 2024 - O10 | Sicilian Defense: Najdorf Variation | |
| May 25, 2024 | Steinbrenner | 1–0 | Pradeep | DEM U10 2024 | Ruy Lopez: Morphy Defense, Neo-Arkhangelsk Variation | |
| May 24, 2024 | Steinbrenner | 1–0 | Braren | DEM U10 2024 | Rapport-Jobava System | |
| May 24, 2024 | Naumann | 0–1 | Steinbrenner | DEM U10 2024 | Sicilian Defense: Closed | |
| May 23, 2024 | Chakhalov | ½–½ | Steinbrenner | DEM U10 2024 | Sicilian Defense: Closed | |
| May 22, 2024 | Steinbrenner | 1–0 | Aguike | DEM U10 2024 | Pirc Defense | |
| May 22, 2024 | Steinbrenner | 1–0 | Gusev | DEM U10 2024 | Sicilian Defense: Four Knights Variation | |
| May 21, 2024 | Grimm | 0–1 | Steinbrenner | DEM U10 2024 | Sicilian Defense: Najdorf Variation, Lipnitsky Attack | |
| May 20, 2024 | Steinbrenner | 1–0 | Cremann | DEM U10 2024 | Sicilian Defense: Four Knights Variation | |
| May 20, 2024 | Mueller | ½–½ | Steinbrenner | DEM U10 2024 | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| May 19, 2024 | Steinbrenner | 1–0 | Loeffelholz | DEM U10 2024 | Sicilian Defense: Najdorf Variation | |
| May 19, 2024 | Spielmann | * | Steinbrenner | DEM U10 2024 | Sicilian Defense: Bowdler Attack | |
| Aug 3, 2024 | Rose | ½–½ | Steinbrenner | Round 5: Rose, Luis Stratos - Steinbrenner, Peter | Queen's Pawn Game: Colle System | |