| Jun 6, 2026 | Berres | 0–1 | Dolzhykova | Round 6: Berres, Eric - Dolzhykova, Kateryna | Nimzo-Indian Defense: Classical Variation, Vitolins-Adorjan Gambit | |
| Jun 6, 2026 | Berres | ½–½ | Gramb | Round 5: Berres, Eric - Gramb, Marius | Four Knights Game: Spanish Variation, Rubinstein Variation Accepted | |
| May 25, 2026 | Berres | * | Raptis | Round 7: Berres, Eric - Raptis, Filippos | ? | |
| May 25, 2026 | De Zoeten | * | Berres | Round 6: De Zoeten, Cato - Berres, Eric | ? | |
| May 24, 2026 | Berres | * | Dinanath | Round 5: Berres, Eric - Dinanath, Hrdya | ? | |
| May 24, 2026 | Aishwin Daniel | * | Berres | Round 4: Aishwin Daniel - Berres, Eric | ? | |
| May 23, 2026 | Berres | * | Westerhof | Round 3: Berres, Eric - Westerhof, Fleur | ? | |
| May 23, 2026 | Kagan | * | Berres | Round 2: Kagan, Dennis - Berres, Eric | ? | |
| May 22, 2026 | Berres | 0–1 | Toledo | Round 1: Berres, Eric - Toledo, Hillel | Sicilian Defense | |
| Apr 4, 2026 | Berres | 0–1 | Buerger | A-Turnier Rheinland-Einzelmeisterschaften 2026 | Sicilian Defense | |
| Apr 3, 2026 | Suranyi | 0–1 | Berres | A-Turnier Rheinland-Einzelmeisterschaften 2026 | Nimzo-Indian Defense: Normal Variation | |
| Apr 2, 2026 | Berres | 1–0 | Grabowski | A-Turnier Rheinland-Einzelmeisterschaften 2026 | Four Knights Game: Spanish Variation, Nimzowitsch Variation | |
| Mar 29, 2026 | Ley | 0–1 | Berres | A-Turnier Rheinland-Einzelmeisterschaften 2026 | Sicilian Defense: Closed | |
| Mar 28, 2026 | Berres | ½–½ | Schoen | A-Turnier Rheinland-Einzelmeisterschaften 2026 | Three Knights Opening: Steinitz Defense | |
| Mar 28, 2026 | Neisen | ½–½ | Berres | A-Turnier Rheinland-Einzelmeisterschaften 2026 | Zukertort Opening | |
| Mar 15, 2026 | Fink | 0–1 | Berres | A-Turnier Rheinland-Einzelmeisterschaften 2026 | French Defense: King's Indian Attack | |
| Jun 22, 2025 | du Maire | ½–½ | Berres | Round 7: du Maire, Jerome - Berres, Eric | Catalan Opening: Open Defense, Classical Line | |
| Jun 21, 2025 | Berres | 1–0 | Frohneberg | Round 6: Berres, Eric - Frohneberg, Paul | Queen's Gambit Declined: Austrian Defense | |
| Jun 21, 2025 | Becker | ½–½ | Berres | Round 5: Becker, Arne - Berres, Eric | Nimzo-Indian Defense: Normal Variation | |
| Apr 19, 2025 | Berres | 0–1 | Petersen | A-Turnier Rheinland-Einzelmeisterschaften 2025 | Benoni Defense | |
| Apr 18, 2025 | Fink | ½–½ | Berres | A-Turnier Rheinland-Einzelmeisterschaften 2025 | Sicilian Defense: Modern Variations | |
| Apr 17, 2025 | Berres | 1–0 | Gebhardt | A-Turnier Rheinland-Einzelmeisterschaften 2025 | Scandinavian Defense: Valencian Variation, Main Line | |
| Apr 13, 2025 | Berres | ½–½ | Ley | A-Turnier Rheinland-Einzelmeisterschaften 2025 | Benoni Defense: Classical Variation, Czerniak Defense | |
| Apr 13, 2025 | Reifenroether | ½–½ | Berres | A-Turnier Rheinland-Einzelmeisterschaften 2025 | Queen's Pawn Game: London System | |
| Apr 12, 2025 | Schoen | 0–1 | Berres | A-Turnier Rheinland-Einzelmeisterschaften 2025 | King's Indian Attack | |
| Apr 12, 2025 | Neisen | ½–½ | Berres | A-Turnier Rheinland-Einzelmeisterschaften 2025 | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Jun 1, 2024 | Berres | * | Mondorf | Round 5: Berres, Eric - Mondorf, Karl-Josef | ? | |
| May 31, 2024 | Seidler | * | Berres | Round 4: Seidler, Lukas - Berres, Eric | ? | |
| May 31, 2024 | Berres | * | Cornelisse | Round 3: Berres, Eric - Cornelisse, John | ? | |
| May 30, 2024 | Platten | * | Berres | Round 2: Platten, Herbert - Berres, Eric | ? | |
