| 19 abr 2026 | Hoi, Carsten 2285 | Arndt, Magnus 2358 | 0-1 | E14 Queen's Indian Defense, with e3 | SonFlow Cup 2026 | 47 | Ver |
| 18 abr 2026 | Arndt, Magnus 2358 | Jalving, August 2307 | ½-½ | A15 Apertura Inglesa: Anglo-Indian Defense, King's Knight Variation | SonFlow Cup 2026 | 31 | Ver |
| 18 abr 2026 | Kopylov, Michael 2343 | Arndt, Magnus 2358 | ½-½ | E05 Apertura Catalana: Open Defense, Classical Line | SonFlow Cup 2026 | 53 | Ver |
| 18 abr 2026 | Arndt, Magnus 2358 | Skytte, Rasmus 2350 | 0-1 | B40 Defensa Siciliana: French Variation, Westerinen Attack | SonFlow Cup 2026 | 66 | Ver |
| 17 abr 2026 | Fries-Nielsen, Jens Ove 2284 | Arndt, Magnus 2358 | 1-0 | A06 Apertura Zukertort | SonFlow Cup 2026 | 45 | Ver |
| 2 nov 2025 | Arndt, Magnus 2374 | Hrbek, Jachym 2068 | 1-0 | B31 Defensa Siciliana: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | Baltic Chess Open 2025 | A | 40 | Ver |
| 1 nov 2025 | Arndt, Magnus 2374 | Beeck, Mats 2226 | ½-½ | D12 Defensa Eslava: Quiet Variation, Schallopp Defense | Baltic Chess Open 2025 | A | 42 | Ver |
| 31 oct 2025 | Arndt, Magnus 2374 | Herrmann, Jakob 2218 | 1-0 | B10 Defensa Caro-Kann: Endgame Variation | Baltic Chess Open 2025 | A | 46 | Ver |
| 31 oct 2025 | Saglam, Buelent 2109 | Arndt, Magnus 2374 | 0-1 | E32 Defensa Nimzoindia: Classical Variation | Baltic Chess Open 2025 | A | 34 | Ver |
| 30 oct 2025 | Feuerstack, Aljoscha 2444 | Arndt, Magnus 2374 | 1-0 | C77 Apertura Española (Ruy López): Morphy Defense, Anderssen Variation | Baltic Chess Open 2025 | A | 48 | Ver |