| May 25, 2026 | Goldkuhle | ½–½ | Kummerow | Round 7: Goldkuhle, Collin - Kummerow, Heiko | French Defense: Tarrasch Variation | |
| May 25, 2026 | Kummerow | 0–1 | Dordevic | Round 6: Kummerow, Heiko - Dordevic, Tom | Sicilian Defense: Najdorf Variation | |
| May 24, 2026 | Weidert | 0–1 | Kummerow | Round 5: Weidert, Florian - Kummerow, Heiko | Sicilian Defense: Modern Variations | |
| May 24, 2026 | Kummerow | 1–0 | Muranyi | Round 4: Kummerow, Heiko - Muranyi, Erich | Sicilian Defense: Scheveningen Variation, Keres Attack | |
| May 23, 2026 | Ziegler | 0–1 | Kummerow | Round 3: Ziegler, Arndt Henning - Kummerow, Heiko | French Defense: Advance Variation, Euwe Variation | |
| May 23, 2026 | Kummerow | ½–½ | Fleischmann | Round 2: Kummerow, Heiko - Fleischmann, Yannic | Italian Game: Classical Variation, Greco Gambit, Modern Line | |
| May 22, 2026 | Mukherjee | 0–1 | Kummerow | Round 1: Mukherjee, Sumanta - Kummerow, Heiko | Sicilian Defense: Najdorf Variation | |
| May 15, 2026 | Gutkin | 1–0 | Kummerow | new tournament description | King's Indian Defense: Orthodox Variation | |
| Mar 30, 2026 | Weidemann | 1–0 | Kummerow | Runde 6: Weidemann, Jakob - Kummerow, Heiko | French Defense: Winawer Variation, Delayed Exchange Variation | |
| Mar 29, 2026 | Kummerow | 1–0 | Ten Dam | Runde 5: Kummerow, Heiko - Ten Dam, Bram | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Mar 28, 2026 | Dathe | 1–0 | Kummerow | Runde 2: Dathe, Frederick - Kummerow, Heiko | Tarrasch Defense: Classical Variation | |
| Mar 27, 2026 | Kummerow | 1–0 | Strehse | Runde 1: Kummerow, Heiko - Strehse, Nelson | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Nov 1, 2025 | Boesel | 0–1 | Kummerow | Runde 7: Boesel, Alexander - Kummerow, Heiko | French Defense: Tarrasch Variation, Open System, Euwe-Keres Line | |
| Nov 1, 2025 | Kummerow | 0–1 | Weigand | Runde 6: Kummerow, Heiko - Weigand, Anton | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation | |
| Nov 1, 2025 | Hofmann | 0–1 | Kummerow | Runde 5: Hofmann, Benjamin - Kummerow, Heiko | King's Indian Defense: Fianchetto Variation, Classical Fianchetto | |
| Oct 31, 2025 | Kummerow | 1–0 | Hauernherm | Runde 4: Kummerow, Heiko - Hauernherm, Stefan | Sicilian Defense: Kalashnikov Variation | |
| Oct 31, 2025 | Tscheuschner | 1–0 | Kummerow | Runde 3: Tscheuschner, Georg, Dr. - Kummerow, Heiko | King's Indian Defense: Fianchetto Variation, Panno Variation | |
| Oct 30, 2025 | Kummerow | ½–½ | Kopylov | Runde 2: Kummerow, Heiko - Kopylov, Michael | Sicilian Defense: Kveinis Variation | |
| Oct 30, 2025 | Goldenstein | 0–1 | Kummerow | Runde 1: Goldenstein, Arnd - Kummerow, Heiko | Benko Gambit: Zaitsev System | |
| Oct 17, 2025 | Kummerow | 0–1 | Bakhyt | Runde 8: Kummerow, Heiko - Bakhyt, Rauan | Sicilian Defense: Najdorf Variation | |
| Oct 16, 2025 | Li | 0–1 | Kummerow | Runde 7: Li, David - Kummerow, Heiko | King's Indian Defense: Fianchetto Variation, Panno Variation | |
| Oct 15, 2025 | Heiligtag | 1–0 | Kummerow | Runde 6: Heiligtag, Matthias - Kummerow, Heiko | French Defense: Exchange Variation | |
| Oct 14, 2025 | Kummerow | 1–0 | Reinecke | Runde 5: Kummerow, Heiko - Reinecke, Katharina | Caro-Kann Defense: Karpov Variation | |
| Oct 13, 2025 | Allen | 1–0 | Kummerow | Runde 4: Allen, Phillipp - Kummerow, Heiko | Benko Gambit Accepted: Fully Accepted Variation | |
| Oct 12, 2025 | Mazur | 0–1 | Kummerow | Runde 2: Mazur, Stefan - Kummerow, Heiko | French Defense: Two Knights Variation | |
| Oct 11, 2025 | Kummerow | 1–0 | Wegner | Runde 1: Kummerow, Heiko - Wegner, Stephan | French Defense: Tarrasch Variation, Closed Variation, Main Line | |
| Oct 11, 2025 | Kummerow | ½–½ | Liu | Runde 3: Kummerow, Heiko - Liu, Yi | French Defense: Tarrasch Variation, Chistyakov Defense | |
| Jun 9, 2025 | Kummerow | ½–½ | Riabtsev | Round 7: Kummerow, Heiko - Riabtsev, Ivan | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Chelyabinsk Variation | |
| Jun 9, 2025 | Boos | ½–½ | Kummerow | Round 6: Boos, Patrick - Kummerow, Heiko | Sicilian Defense: Mengarini Variation | |
| Jun 8, 2025 | Kummerow | 1–0 | Scheffner | Round 5: Kummerow, Heiko - Scheffner, Jarno | Sicilian Defense: Najdorf Variation | |
| Jun 8, 2025 | Kleinschroth | ½–½ | Kummerow | Round 4: Kleinschroth, Roland - Kummerow, Heiko | Sicilian Defense: Lasker-Dunne Attack | |
| Jun 7, 2025 | Kummerow | ½–½ | Li | Round 3: Kummerow, Heiko - Li, Hewei | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Jun 7, 2025 | Cao | 0–1 | Kummerow | Round 2: Cao, Da - Kummerow, Heiko | Indian Defense | |
| Jun 6, 2025 | Kummerow | 1–0 | Alugili | Round 1: Kummerow, Heiko - Alugili, Yosef | Sicilian Defense: Four Knights Variation, Exchange Variation | |
| May 28, 2025 | Kummerow | 0–1 | Korneev | RHIO 2025 | Sicilian Defense: Richter-Rauzer Variation | |
| Apr 21, 2025 | Kummerow | ½–½ | Gutkin | Round 9: Kummerow, Heiko - Gutkin, Ilya | Sicilian Defense: Lasker-Pelikan Variation, Bird Variation | |
| Apr 21, 2025 | Jonas Markgraf | * | Kummerow | Round 8: Jonas Markgraf - Kummerow, Heiko | Blackmar-Diemer Gambit: Reversed Albin Countergambit | |
| Apr 20, 2025 | Kummerow | * | Peters | Round 7: Kummerow, Heiko - Peters, Alex | Alekhine Defense: Modern Variation, Main Line | |
| Apr 20, 2025 | Rothberg | 0–1 | Kummerow | Round 6: Rothberg, Olaf - Kummerow, Heiko | King's Indian Defense: Orthodox Variation | |
| Apr 19, 2025 | Berkle | 0–1 | Kummerow | Round 4: Berkle, Pascal - Kummerow, Heiko | Benko Gambit Accepted: Fully Accepted Variation | |
| Apr 18, 2025 | Kummerow | ½–½ | Wilde | Round 3: Kummerow, Heiko - Wilde, Justin | Sicilian Defense: Kalashnikov Variation | |
| Apr 18, 2025 | Walczewski | 0–1 | Kummerow | Round 2: Walczewski, Christopher - Kummerow, Heiko | French Defense: King's Indian Attack | |
| Apr 17, 2025 | Kummerow | 1–0 | Hrisowalandis A. Milonas | Round 1: Kummerow, Heiko - Hrisowalandis A. Milonas | Sicilian Defense: Najdorf Variation, Browne Variation | |
| Apr 15, 2025 | Kummerow | 0–1 | Pijpers | Round 5: Kummerow, Heiko - Pijpers, Arthur | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Oct 19, 2024 | Wichtrup | 0–1 | Kummerow | Round 9: Wichtrup, Jan-Louis - Kummerow, Heiko | Sicilian Defense: Modern Variations | |
| Oct 18, 2024 | Kummerow | 1–0 | Herzwurm | Round 8: Kummerow, Heiko - Herzwurm, Robert | French Defense: Tarrasch Variation, Closed Variation | |
| Oct 17, 2024 | Mueller | 0–1 | Kummerow | Round 7: Mueller, Konstantin - Kummerow, Heiko | Tarrasch Defense: Two Knights Variation | |
| Oct 16, 2024 | Kummerow | 0–1 | Sickmann | Round 6: Kummerow, Heiko - Sickmann, Lisa | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| Oct 15, 2024 | Feldmann | ½–½ | Kummerow | Round 5: Feldmann, Johannes - Kummerow, Heiko | King's Indian Defense | |
| Oct 14, 2024 | Kummerow | 1–0 | Rychlak | Round 4: Kummerow, Heiko - Rychlak, Nico | Caro-Kann Defense: Advance Variation, Tal Variation | |
| Oct 13, 2024 | Bilovil | 1–0 | Kummerow | Round 3: Bilovil, Bogdan - Kummerow, Heiko | King's Indian Defense: Makogonov Variation | |
| Oct 13, 2024 | Kummerow | 1–0 | Scholz | Round 2: Kummerow, Heiko - Scholz, Christian, Dr. | Sicilian Defense: Najdorf Variation | |
| Oct 12, 2024 | Neumann | 0–1 | Kummerow | Round 1: Neumann, Helena - Kummerow, Heiko | Sicilian Defense: Moscow Variation | |
| Nov 3, 2024 | Kummerow | ½–½ | Ritscher | Round 7: Kummerow, Heiko - Ritscher, Jan-Paul, Dr. | Alekhine Defense: Modern Variation, Keres Variation | |
| Nov 2, 2024 | Kummerow | 1–0 | Arnz | Round 5: Kummerow, Heiko - Arnz, Tom Niklas | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Novosibirsk Variation | |
| Nov 2, 2024 | Boehme | 0–1 | Kummerow | Round 6: Boehme, Arne - Kummerow, Heiko | French Defense: Winawer Variation, Poisoned Pawn Variation | |
| Nov 1, 2024 | Kummerow | 0–1 | Hoeffer | Round 3: Kummerow, Heiko - Hoeffer, David | Nimzowitsch Defense: Scandinavian Variation, Advance Variation | |
| Nov 1, 2024 | Wilmink | ½–½ | Kummerow | Round 4: Wilmink, Anna - Kummerow, Heiko | Sicilian Defense: Moscow Variation | |
| Oct 31, 2024 | Kummerow | 1–0 | Stoy | Round 1: Kummerow, Heiko - Stoy, Ulf | Modern Defense: Pseudo-Austrian Attack | |
| Oct 31, 2024 | Mueller-Ludwig | 0–1 | Kummerow | Round 2: Mueller-Ludwig, Kristin - Kummerow, Heiko | Sicilian Defense: Najdorf Variation, English Attack | |
| Aug 11, 2024 | Kummerow | 0–1 | Kuegel | Round 2: Kummerow, Heiko - Kuegel, Tobias | Italian Game: Classical Variation, Greco Gambit | |