| Jul 20, 2025 | Bauer | 1–0 | Stijve | Round 9: Bauer, Pierre - Stijve, Niels | Slav Defense: Exchange Variation | |
| Jul 19, 2025 | Stijve | 1–0 | Python | Round 8: Stijve, Niels - Python, Noe | Caro-Kann Defense: Maróczy Variation | |
| Jul 18, 2025 | Schmuki | ½–½ | Stijve | Round 7: Schmuki, Roman - Stijve, Niels | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Jul 17, 2025 | Stijve | ½–½ | Neuschild | Round 6: Stijve, Niels - Neuschild, Marius | Bishop's Opening: Vienna Hybrid, Spielmann Attack | |
| Jul 16, 2025 | Curien | ½–½ | Stijve | Round 5: Curien, Nicolas - Stijve, Niels | Queen's Pawn Game: Colle System, Traditional Colle | |
| Jul 15, 2025 | Stijve | ½–½ | Papaux | Round 4: Stijve, Niels - Papaux, Steve | Scotch Game: Scotch Gambit, London Defense | |
| Jun 1, 2025 | Stijve | 0–1 | Regez | Round 7: Stijve, Niels - Regez, Markus | Sicilian Defense: Mengarini Variation | |
| May 31, 2025 | Monteverde | ½–½ | Stijve | Round 6: Monteverde, Jonathan - Stijve, Niels | Slav Defense: Exchange Variation | |
| May 30, 2025 | Stojanovic | 1–0 | Stijve | Round 4: Stojanovic, Mihajlo - Stijve, Niels | Slav Defense: Quiet Variation | |
| Apr 17, 2025 | Stijve | 0–1 | Pfreundt | Round 1: Stijve, Niels - Pfreundt, Jakob | Caro-Kann Defense: Two Knights Attack | |
| May 9, 2024 | Stijve | 0–1 | Baenziger | Bundesturnier | Sicilian Defense: Kalashnikov Variation | |
| Mar 28, 2024 | Stijve | 0–1 | Kozul | Grenke Chess Open 2024 | Sicilian Defense: Classical Variation | |
| Jul 30, 2023 | Kappeler | 1–0 | Stijve | Swiss Championship | Rapid | Slav Defense: Quiet Variation | |
| Jul 27, 2023 | Foerster-Yialamas Lucas | 1–0 | Stijve Niels | MTO - 2023 | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Jul 26, 2023 | Rotunno Flavio | * | Stijve Niels | MTO - 2023 | Grünfeld Defense: Exchange Variation, Nadanian Attack | |
| Jul 25, 2023 | Stijve Niels | ½–½ | Perkampus Laurin | MTO - 2023 | Caro-Kann Defense: Two Knights Attack, Mindeno Variation, Exchange Line | |
| Jul 24, 2023 | Stijve Niels | ½–½ | Ozcan Kaan | MTO - 2023 | Scotch Game: Scotch Gambit | |
| Jul 23, 2023 | Jaivardhan Raj | ½–½ | Stijve Niels | MTO - 2023 | Sicilian Defense: Kan Variation, Modern Variation | |
| Jul 21, 2023 | Lohia Sohum | 1–0 | Stijve Niels | MTO - 2023 | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Jul 20, 2023 | Stijve Niels | 1–0 | Ludwig Peter | MTO - 2023 | French Defense: Tarrasch Variation, Morozevich Variation | |
| Jul 19, 2023 | Misiano Franco | 1–0 | Stijve Niels | MTO - 2023 | Sicilian Defense: Kan Variation, Wing Attack, Spraggett Attack | |
| Jul 18, 2023 | Stijve Niels | 0–1 | Costello Alexander | MTO - 2023 | Sicilian Defense: Godiva Variation | |
| Jul 17, 2023 | Deuer Marius | 1–0 | Stijve Niels | MTO - 2023 | Slav Defense: Modern Line | |
