| May 30, 2026 | Ranganathan | 1–0 | Grimm | DEM U12 2026 | Scotch Game: Potter Variation | |
| May 29, 2026 | Grimm | 1–0 | Braren | DEM U12 2026 | Ruy Lopez: Berlin Defense, Rio Gambit Accepted | |
| May 28, 2026 | Zargaran | ½–½ | Grimm | DEM U12 2026 | Center Game: Berger Variation | |
| May 27, 2026 | Grimm | 1–0 | Hornych | DEM U12 2026 | Caro-Kann Defense: Two Knights Attack | |
| May 27, 2026 | Cao | 1–0 | Grimm | DEM U12 2026 | Queen's Pawn Game: Accelerated London System | |
| May 26, 2026 | Grimm | ½–½ | Jozsa | DEM U12 2026 | Sicilian Defense: Four Knights Variation, Exchange Variation | |
| May 25, 2026 | Friese | 0–1 | Grimm | DEM U12 2026 | Italian Game: Classical Variation, Greco Gambit, Modern Line | |
| May 24, 2026 | Grimm | 1–0 | Ogawa | DEM U12 2026 | Sicilian Defense: Four Knights Variation, Cobra Variation | |
| May 24, 2026 | Braner | 1–0 | Grimm | DEM U12 2026 | Italian Game: Giuoco Piano, Therkatz-Herzog Variation | |
| May 17, 2026 | Grimm | 1–0 | Quiring | Runde 7: Grimm, Jakob - Quiring, Nikolai | French Defense: McCutcheon Variation, Dr. Olland Variation | |
| May 16, 2026 | Baberz | 1–0 | Grimm | Runde 6: Baberz, Alexander - Grimm, Jakob | Queen's Gambit Declined: Harrwitz Attack | |
| May 16, 2026 | Grimm | 1–0 | Baumann | Runde 5: Grimm, Jakob - Baumann, Simon | French Defense: Rubinstein Variation, Blackburne Defense | |
| May 15, 2026 | Ertan | 1–0 | Grimm | Runde 4: Ertan, Can - Grimm, Jakob | Ruy Lopez: Closed, Anti-Marshall | |
| May 15, 2026 | Grimm | ½–½ | Lick | Runde 3: Grimm, Jakob - Lick, Patrick | Sicilian Defense: Classical Variation | |
| May 14, 2026 | Dehn | 0–1 | Grimm | Runde 2: Dehn, Marcus - Grimm, Jakob | Queen's Pawn Game: Symmetrical Variation, Pseudo-Catalan | |
| May 14, 2026 | Grimm | 1–0 | Melekestsev | Round 1: Grimm, Jakob - Melekestsev, Kyrylo | Italian Game: Classical Variation, with d5 | |
| Dec 30, 2025 | Grimm | 1–0 | Kandora | DVM U12 2025 | Petrov's Defense: Nimzowitsch Attack | |
| Dec 29, 2025 | Cao | 1–0 | Grimm | DVM U12 2025 | Queen's Pawn Game: Accelerated London System | |
| Dec 29, 2025 | Grimm | 1–0 | Kaza | DVM U12 2025 | Sicilian Defense: Accelerated Dragon, Exchange Variation | |
| Dec 28, 2025 | Stentrup | 0–1 | Grimm | DVM U12 2025 | Ruy Lopez: Closed, Morphy Attack | |
| Dec 28, 2025 | Grimm | 0–1 | Poladli | DVM U12 2025 | Italian Game: Scotch Gambit, Walbrodt-Baird Gambit | |
| Dec 27, 2025 | Sonnenfeld | 1–0 | Grimm | DVM U12 2025 | Bishop's Opening: Boi Variation | |
| Dec 27, 2025 | Grimm | 0–1 | Menke | DVM U12 2025 | Ruy Lopez: Morphy Defense, Anderssen Variation | |
| Jun 14, 2025 | Solar | 0–1 | Grimm | DEM U10 2025 | Ruy Lopez: Marshall Attack, Modern Main Line | |
| Jun 13, 2025 | Grimm | 1–0 | Gavrylchenko | DEM U10 2025 | Ruy Lopez: Bird Variation | |
| Jun 12, 2025 | Grimm | 0–1 | Taube | DEM U10 2025 | Ruy Lopez: Morphy Defense, Caro Variation | |
| Jun 11, 2025 | Stojanoski | 1–0 | Grimm | DEM U10 2025 | Four Knights Game: Scotch Variation, Belgrade Gambit | |
| Jun 11, 2025 | Grimm | 1–0 | Fendel | DEM U10 2025 | Ruy Lopez: Morphy Defense, Classical Defense Deferred | |
| Jun 10, 2025 | Khadem Aljamea | 1–0 | Grimm | DEM U10 2025 | Scotch Game: Mieses Variation | |
| Jun 9, 2025 | Grimm | 0–1 | Ranganathan | DEM U10 2025 | Caro-Kann Defense | |
| Jun 8, 2025 | Kindermann | 0–1 | Grimm | DEM U10 2025 | English Opening: Agincourt Defense, Neo-Catalan Declined | |
| Jun 8, 2025 | Grimm | 1–0 | Schroeder | DEM U10 2025 | Scandinavian Defense: Valencian Variation, Ilundain Variation | |
| May 25, 2024 | Chakhalov | 1–0 | Grimm | DEM U10 2024 | English Opening: King's English Variation, Two Knights Variation, Reversed Dragon | |
| May 24, 2024 | Grimm | 1–0 | Stojanoski | DEM U10 2024 | Scotch Game | |
| May 24, 2024 | Grimm | 1–0 | Sutharjan | DEM U10 2024 | Scandinavian Defense: Marshall Variation | |
| May 23, 2024 | Spielmann | ½–½ | Grimm | DEM U10 2024 | Bishop's Opening: Vienna Hybrid, Spielmann Attack | |
| May 22, 2024 | Grimm | 1–0 | Schmidt | DEM U10 2024 | Petrov's Defense: Nimzowitsch Attack | |
| May 22, 2024 | Fattori Dittmar | 1–0 | Grimm | DEM U10 2024 | Italian Game: Classical Variation, Greco Gambit | |
| May 21, 2024 | Grimm | 0–1 | Steinbrenner | DEM U10 2024 | Sicilian Defense: Najdorf Variation, Lipnitsky Attack | |
| May 20, 2024 | Grimm | 1–0 | Jung | DEM U10 2024 | Sicilian Defense: Dragon Variation, Yugoslav Attack, Early Deviations | |
| May 20, 2024 | Liu | 0–1 | Grimm | DEM U10 2024 | Italian Game: Scotch Gambit, Walbrodt-Baird Gambit | |
| May 19, 2024 | Grimm | 0–1 | Nikolic | DEM U10 2024 | Caro-Kann Defense: Two Knights Attack | |
| May 19, 2024 | Liu | 0–1 | Grimm | DEM U10 2024 | Four Knights Game: Scotch Variation, Schmid Defense | |
| Nov 26, 2024 | Grimm | 1–0 | Santos | Round 11: Grimm, Jakob - Santos, Lucas Pereira | Scandinavian Defense: Valencian Variation | |
| Nov 25, 2024 | Santoro | 1–0 | Grimm | Round 10: Santoro, Marco Antonio - Grimm, Jakob | Italian Game: Classical Variation, Greco Gambit | |
| Nov 24, 2024 | Grimm | ½–½ | Fattori Dittmar | Round 9: Grimm, Jakob - Fattori Dittmar, Luca | French Defense: Rubinstein Variation, Blackburne Defense | |
| Nov 23, 2024 | Grimm | ½–½ | Zhou | Round 8: Grimm, Jakob - Zhou, Martin | Sicilian Defense: Kan Variation, Knight Variation | |
| Nov 22, 2024 | Katta | 1–0 | Grimm | Round 7: Katta, Sriansh - Grimm, Jakob | Scotch Game: Schmidt Variation | |
| Nov 20, 2024 | Grimm | 1–0 | Kovacs | Round 6: Grimm, Jakob - Kovacs, Balazs | Sicilian Defense: Godiva Variation | |
| Nov 19, 2024 | Montaigu Dupont | 1–0 | Grimm | Round 5: Montaigu Dupont, Arthur - Grimm, Jakob | Italian Game: Giuoco Piano | |
| Nov 18, 2024 | Grimm | 0–1 | Akramov | Round 4: Grimm, Jakob - Akramov, Khasan | Sicilian Defense: Accelerated Dragon, Exchange Variation | |
| Nov 17, 2024 | Prokhorov | 0–1 | Grimm | Round 3: Prokhorov, Makar - Grimm, Jakob | Ruy Lopez: Closed, Smyslov-Breyer-Zaitsev Hybrid | |
| Nov 16, 2024 | Grimm | 1–0 | Lin | Round 2: Grimm, Jakob - Lin, Mingchen | Italian Game | |
| Nov 15, 2024 | Larion | 1–0 | Grimm | Round 1: Larion, Iustin - Grimm, Jakob | Queen's Gambit Declined: Modern Variation, Normal Line | |