| May 29, 2026 | Leer-Helgesen | 1–0 | Koldunov | Norway Chess Open 2026 May | ? | |
| May 28, 2026 | Yang | * | Leer-Helgesen | Norway Chess Open 2026 May | ? | |
| May 27, 2026 | Leer-Helgesen | 1–0 | Papantchev | Norway Chess Open 2026 May | ? | |
| May 26, 2026 | Galarreta Santana | 1–0 | Leer-Helgesen | Norway Chess Open 2026 May | ? | |
| May 25, 2026 | Leer-Helgesen | ½–½ | Nordahl | Norway Chess Open 2026 May | ? | |
| May 24, 2026 | Anderson | 0–1 | Leer-Helgesen | Norway Chess Open 2026 May | ? | |
| May 23, 2026 | Leer-Helgesen | 0–1 | Khoo-Thwe | Norway Chess Open 2026 May | Indian Defense: Accelerated London System | |
| Jan 4, 2026 | Fossgard | 1–0 | Leer-Helgesen | Åpent NM i hurtigsjakk 2026 B | Old Indian Defense: Ukrainian Variation | |
| Jan 4, 2026 | Leer-Helgesen | ½–½ | Stenhaug | Åpent NM i hurtigsjakk 2026 B | Indian Defense: Accelerated London System | |
| Jan 4, 2026 | Stenstrand | 0–1 | Leer-Helgesen | Åpent NM i hurtigsjakk 2026 B | Sicilian Defense: Dragon Variation | |
| Nov 16, 2025 | Trygstad | ½–½ | Leer-Helgesen | NM for barn og ungdom 2025 | Sicilian Defense: Grand Prix Attack | |
| Nov 16, 2025 | Leer-Helgesen | * | Myrene | NM for barn og ungdom 2025 | ? | |
| Nov 15, 2025 | Nord | * | Leer-Helgesen | NM for barn og ungdom 2025 | ? | |
| Nov 15, 2025 | Leer-Helgesen | 0–1 | Royrvik | NM for barn og ungdom 2025 | Queen's Pawn Game: Accelerated London System | |
| Nov 15, 2025 | Mustaparta | 0–1 | Leer-Helgesen | NM for barn og ungdom 2025 | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Jul 12, 2025 | Bae | 1–0 | Leer-Helgesen | Landsturneringen 2025 | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Jul 11, 2025 | Leer-Helgesen | 1–0 | Oyri | Landsturneringen 2025 | Caro-Kann Defense | |
| Jul 10, 2025 | Olsen | 1–0 | Leer-Helgesen | Landsturneringen 2025 | Sicilian Defense: Prins Variation | |
| Jul 9, 2025 | Trygstad | ½–½ | Leer-Helgesen | Landsturneringen 2025 | Rapport-Jobava System | |
| Jul 8, 2025 | Leer-Helgesen | 1–0 | Torjussen | Landsturneringen 2025 | Sicilian Defense: Open | |
| Jul 7, 2025 | Leer-Helgesen | ½–½ | Jensen | Landsturneringen 2025 | Ruy Lopez: Morphy Defense, Modern Steinitz Defense | |
| Jul 7, 2025 | Royrvik | ½–½ | Leer-Helgesen | Landsturneringen 2025 | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Jul 6, 2025 | Opsen | 0–1 | Leer-Helgesen | Landsturneringen 2025 | Sicilian Defense: Grand Prix Attack | |
| Jul 5, 2025 | Leer-Helgesen | 1–0 | Delic | Landsturneringen 2025 | Ruy Lopez: Morphy Defense | |
| Nov 3, 2024 | Leer-Helgesen | 0–1 | Mortensen | NMU - NM for barn og ungdom 2024 | Sicilian Defense: Alapin Variation, Barmen Defense, Central Exchange | |
| Nov 3, 2024 | Royrvik | 0–1 | Leer-Helgesen | NMU - NM for barn og ungdom 2024 | King's Indian Defense | |
| Nov 2, 2024 | Torjussen | 0–1 | Leer-Helgesen | NMU - NM for barn og ungdom 2024 | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Nov 2, 2024 | Tran | 0–1 | Leer-Helgesen | NMU - NM for barn og ungdom 2024 | Sicilian Defense: Moscow Variation, Main Line | |
| Jul 6, 2024 | Linnerud | 1–0 | Leer-Helgesen | Landsturneringen 2024 | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Jul 5, 2024 | Matysiak | 1–0 | Leer-Helgesen | Landsturneringen 2024 | Sicilian Defense: Dragon Variation, Yugoslav Attack, Belezky Line | |
| Jul 4, 2024 | Leer-Helgesen | 1–0 | Gjersvik | Landsturneringen 2024 | French Defense: Exchange Variation, Monte Carlo Variation | |
| Jul 3, 2024 | Leer-Helgesen | 0–1 | Schjott-Bugge | Landsturneringen 2024 | Scotch Game | |
| Jul 2, 2024 | Leer-Helgesen | 0–1 | Yang | Landsturneringen 2024 | Caro-Kann Defense: Panov Attack, Modern Defense, Mieses Line | |
| Jul 2, 2024 | Peder Oleander D Solbakken | 0–1 | Leer-Helgesen | Landsturneringen 2024 | Indian Defense | |
| Jul 1, 2024 | Amundsen | 0–1 | Leer-Helgesen | Landsturneringen 2024 | Polish Opening | |
| Jun 30, 2024 | Leer-Helgesen | 1–0 | Bergfjord | Landsturneringen 2024 | Scotch Game | |
| Jun 29, 2024 | Nguyen | 1–0 | Leer-Helgesen | Landsturneringen 2024 | Sicilian Defense: Closed | |