| Feb 8, 2026 | O`Donnell | 1–0 | Nelson | Round 6: O`Donnell, Conor - Nelson, Jonathan P | King's Indian Defense: Semi-Averbakh System | |
| Jan 11, 2026 | Nelson | 1–0 | Cont | Round 4: Nelson, Jonathan P - Cont, Arya | Italian Game: Two Knights Defense, Max Lange Attack | |
| Nov 2, 2025 | McPhillips | 0–1 | Nelson | Round 2: McPhillips, Joseph - Nelson, Jonathan P | Rapport-Jobava System | |
| Nov 1, 2025 | Nelson | ½–½ | Rocco | Round 1: Nelson, Jonathan P - Rocco, Federico | Sicilian Defense: Snyder Variation | |
| Sep 7, 2025 | Nelson | 0–1 | Royle | Hull 4NCL Congress 2025 - Open section. | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Sep 6, 2025 | Clark | 0–1 | Nelson | Hull 4NCL Congress 2025 - Open section. | English Opening: King's English Variation | |
| Sep 6, 2025 | Nelson | 1–0 | Collinson | Hull 4NCL Congress 2025 - Open section. | Polish Defense | |
| Aug 23, 2025 | Merry | 1–0 | Nelson | Hull 4NCL Congress 2025 - Open section. | King's Indian Defense: Fianchetto Variation, Carlsbad Variation | |
| Jun 21, 2025 | Filipovic | 1–0 | Nelson | 37th International Chess Tournament Open Pula 2025 | Nimzo-Larsen Attack | |
| Jun 19, 2025 | Rubil | 1–0 | Nelson | 37th International Chess Tournament Open Pula 2025 | French Defense: Advance Variation, Paulsen Attack | |
| Jun 16, 2025 | Nelson | 0–1 | Maerevoet | 37th International Chess Tournament Open Pula 2025 | Queen's Pawn Game: Colle System | |
| May 4, 2025 | Rocco | 1–0 | Nelson | Round 10: Rocco, Federico - Nelson, Jonathan P | Modern Defense: Standard Line | |
| Apr 6, 2025 | Nelson | 0–1 | Jackson | Round 8: Nelson, Jonathan P - Jackson, James P | Scotch Game: Schmidt Variation | |
| Feb 16, 2025 | Zhao | 0–1 | Nelson | Round 6: Zhao, George - Nelson, Jonathan P | King's Indian Defense: Fianchetto Variation, Classical Variation | |
| Feb 15, 2025 | Nelson | 1–0 | Kalaiyalahan | Round 5: Nelson, Jonathan P - Kalaiyalahan, Akshaya | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Jul 29, 2024 | Nelson | ½–½ | Rastogi | Round 3: Nelson, Jonathan P - Rastogi, Nayan Keats | Sicilian Defense: Alapin Variation | |
| Jul 28, 2024 | Dishman | 1–0 | Nelson | Round 2: Dishman, Matthew - Nelson, Jonathan P | French Defense: Tarrasch Variation, Guimard Defense, Main Line | |
| Jul 27, 2024 | Nelson | 1–0 | Ashworth | Round 1: Nelson, Jonathan P - Ashworth, Robert | Queen's Pawn Game: Colle System, Traditional Colle | |
| May 6, 2024 | Turner | 1–0 | Nelson | Round 11: Turner, Matthew J - Nelson, Jonathan P | Pirc Defense: Classical Variation, Schlechter Variation | |
| Jan 14, 2024 | Willmoth | ½–½ | Nelson | 4NCL Division 1 2023-2024 | King's Indian Defense: Semi-Classical Variation | |
| Nov 24, 2024 | Patel | ½–½ | Nelson | Round 2: Patel, Zain - Nelson, Jonathan P | King's Indian Defense: Orthodox Variation | |
| Aug 3, 2024 | Nelson | ½–½ | McBeath | Round 8: Nelson, Jonathan P - McBeath, Joel | Queen's Pawn Game: Colle System, Traditional Colle | |
| Aug 2, 2024 | Schell | 1–0 | Nelson | Round 7: Schell, Finn - Nelson, Jonathan P | French Defense: Tarrasch Variation, Morozevich Variation | |
| Aug 1, 2024 | Nelson | ½–½ | Pelling | Round 6: Nelson, Jonathan P - Pelling, Kyle | Pterodactyl Defense: Western, Rhamphorhynchus | |
| Jul 30, 2024 | Sasikumar | 0–1 | Nelson | Round 4: Sasikumar, Srivathsan - Nelson, Jonathan P | French Defense: Alapin Gambit | |
| Nov 12, 2023 | Manley | ½–½ | Nelson | 4NCL Division 1 2023-2024 | Sicilian Defense: Closed | |
| Oct 1, 2023 | Maze | ½–½ | Nelson | European Chess Club Cup 2023 | French Defense: Advance Variation, Euwe Variation | |
| Jul 29, 2023 | Pink | ½–½ | Nelson | British Chess Championships 2023: Major Open | Lion Defense: Lion's Jaw | |
| Jul 28, 2023 | Nelson | ½–½ | Dicen | British Chess Championships 2023: Major Open | Rubinstein Opening | |
| Jul 27, 2023 | Patel | ½–½ | Nelson | British Chess Championships 2023: Major Open | Old Indian Defense: Normal Variation | |
| Jul 22, 2023 | Nelson | ½–½ | Garnett | British Chess Championships 2023: Major Open | Scandinavian Defense: Modern Variation | |
| May 1, 2023 | Macfarlane | 0–1 | Nelson | 4NCL Division 1 2022-2023 | English Opening: King's English Variation, Reversed Sicilian | |
| Apr 29, 2023 | Kisteneva | ½–½ | Nelson | 4NCL Division 1 2022-2023 | Pirc Defense | |
| Feb 12, 2023 | Kolbus | ½–½ | Nelson | 4NCL Division 1 2022-2023 | King's Indian Defense: Sämisch Variation, Panno Main Line | |
| May 1, 2022 | Merriman | ½–½ | Nelson | 4NCL Main League 1-2 | Old Indian Defense | |
| — | Nelson | 1–0 | Davis | Round 2: Nelson, Jonathan P - Davis, Cameron | French Defense: Advance Variation | |
| — | Nelson | 0–1 | Ortiz Sanchez | Round 4: Nelson, Jonathan P - Ortiz Sanchez, Luis | Queen's Pawn Game: Colle System, Traditional Colle | |
| — | Nelson | 1–0 | Schell | Round 7: Nelson, Jonathan P - Schell, Finn | Caro-Kann Defense | |
| — | Nelson | ½–½ | Norris | Round 8: Nelson, Jonathan P - Norris, Zack | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| — | Bennett | 0–1 | Nelson | Round 1: Bennett, Max - Nelson, Jonathan P | Benoni Defense | |
| — | Welling | ½–½ | Nelson | Round 3: Welling, Zac - Nelson, Jonathan P | Pirc Defense: Byrne Variation | |
| — | Patton | 0–1 | Nelson | Round 6: Patton, Zachary - Nelson, Jonathan P | Pirc Defense: Austrian Attack | |
| — | Rich | ½–½ | Nelson | Round 9: Rich, Aaron - Nelson, Jonathan P | Pirc Defense: Kholmov System | |
