| Jun 28, 2026 | Arnott | 1–0 | Cheung | Round 5: Arnott, Jonathan W - Cheung, Leo | Sicilian Defense | |
| Jun 28, 2026 | Boganadham | 0–1 | Arnott | Round 4: Boganadham, Ved Sudeep - Arnott, Jonathan W | French Defense: Advance Variation, Paulsen Attack | |
| Jun 27, 2026 | Arnott | 0–1 | Rathbone-Jones | Round 3: Arnott, Jonathan W - Rathbone-Jones, Ifan | Sicilian Defense: Dragon Variation | |
| Jun 27, 2026 | Vaidyanathan | 0–1 | Arnott | Round 2: Vaidyanathan, Sathya - Arnott, Jonathan W | French Defense: Advance Variation, Euwe Variation | |
| Jun 26, 2026 | Arnott | ½–½ | Di-Vetta | Round 1: Arnott, Jonathan W - Di-Vetta, Andrew | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| May 4, 2026 | Arnott | 0–1 | Gallagher | Round 11: Arnott, Jonathan W - Gallagher, Daniel GH | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| May 2, 2026 | Taylor | 1–0 | Arnott | Round 9: Taylor, Adam A - Arnott, Jonathan W | English Opening: King's English Variation, Four Knights Variation, Quiet Line | |
| Mar 15, 2026 | Rattray | ½–½ | Arnott | Round 11: Rattray, Ross B - Arnott, Jonathan W | French Defense: Horwitz Attack, Papa-Ticulat Gambit | |
| Mar 15, 2026 | Arnott | 0–1 | Buckley | Round 10: Arnott, Jonathan W - Buckley, Graeme N | French Defense: Advance Variation, Lputian Variation | |
| Mar 15, 2026 | Kryshtafor | ½–½ | Arnott | Round 9: Kryshtafor, Maksym - Arnott, Jonathan W | French Defense: Exchange Variation | |
| Mar 15, 2026 | Arnott | 1–0 | Botteley | Round 8: Arnott, Jonathan W - Botteley, Michael T | Caro-Kann Defense: Advance Variation | |
| Mar 15, 2026 | Salman | ½–½ | Arnott | Round 7: Salman, Haytham - Arnott, Jonathan W | French Defense: Exchange Variation | |
| Mar 14, 2026 | Arnott | 0–1 | Lishoy Gengis Paratazham | Round 6: Arnott, Jonathan W - Lishoy Gengis Paratazham, Dildarav | Philidor Defense: Lion Variation, Shirov Gambit | |
| Mar 14, 2026 | Lawton | ½–½ | Arnott | Round 5: Lawton, Geoff W - Arnott, Jonathan W | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| Mar 14, 2026 | Arnott | 1–0 | McCarthy | Round 4: Arnott, Jonathan W - McCarthy, Kevin C | Scandinavian Defense: Gubinsky-Melts Defense | |
| Mar 14, 2026 | Mohammed Ishtiaq | 0–1 | Arnott | Round 3: Mohammed Ishtiaq, Ali - Arnott, Jonathan W | Rapport-Jobava System, with e6 | |
| Mar 14, 2026 | Arnott | 0–1 | Roberson | Round 2: Arnott, Jonathan W - Roberson, Peter T | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Mar 14, 2026 | Machireddy | 0–1 | Arnott | Round 1: Machireddy, Sai Saathvik Reddy - Arnott, Jonathan W | French Defense: Exchange Variation | |
| Mar 1, 2026 | Mikhalchuk | 1–0 | Arnott | Round 5: Mikhalchuk, Vitali - Arnott, Jonathan W | Dutch Defense: Rubinstein Variation | |
| Mar 1, 2026 | Arnott | 1–0 | Arp | Round 4: Arnott, Jonathan W - Arp, Piotr Alexander | Sicilian Defense: Delayed Alapin Variation, with d6 | |
| Feb 28, 2026 | Arnott | 0–1 | Harrison | Round 2: Arnott, Jonathan W - Harrison, Oliver | Italian Game: Scotch Gambit, Max Lange Attack | |
| Feb 28, 2026 | Modi | 1–0 | Arnott | Round 3: Modi, Shyam Jagdish - Arnott, Jonathan W | French Defense: Horwitz Attack, Papa-Ticulat Gambit | |
| Feb 28, 2026 | Honarvarmahalati | 0–1 | Arnott | Round 1: Honarvarmahalati, Hooman - Arnott, Jonathan W | French Defense: Tarrasch Variation, Closed Variation | |
| Feb 8, 2026 | Saunders | 1–0 | Arnott | Round 6: Saunders, Aron - Arnott, Jonathan W | French Defense: Advance Variation, Euwe Variation | |
| Feb 7, 2026 | Arnott | 0–1 | Rawlinson | Round 5: Arnott, Jonathan W - Rawlinson, Aidan M | Caro-Kann Defense: Apocalypse Attack | |
| Jan 11, 2026 | Kacprzak | 1–0 | Arnott | Round 4: Kacprzak, Karol - Arnott, Jonathan W | French Defense: Alekhine-Chatard Attack | |
| Nov 2, 2025 | Pollack | 1–0 | Arnott | Round 2: Pollack, Oscar - Arnott, Jonathan W | French Defense: Advance Variation, Wade Variation | |
| Nov 1, 2025 | Arnott | 0–1 | Richardson | Round 1: Arnott, Jonathan W - Richardson, John R | Caro-Kann Defense: Endgame Variation | |
| Oct 27, 2025 | Arnott | 0–1 | Olson | Round 3: Arnott, Jonathan W - Olson, Hamish | Italian Game: Scotch Gambit, Anderssen Attack | |
| Jul 9, 2025 | Arnott | ½–½ | Crawford | Round 9: Arnott, Jonathan W - Crawford, Owen | Italian Game: Scotch Gambit, Anderssen Attack | |
| Jul 8, 2025 | Wells | 1–0 | Arnott | Round 8: Wells, Peter K - Arnott, Jonathan W | French Defense: Classical Variation, Burn Variation, Morozevich Line | |
| Jul 7, 2025 | Arnott | 1–0 | Gibbs | Round 6: Arnott, Jonathan W - Gibbs, Dominic V | Trompowsky Attack | |
| Jul 6, 2025 | Mokhber-Garcia | ½–½ | Arnott | Round 5: Mokhber-Garcia, Sebastian - Arnott, Jonathan W | French Defense: Schlechter Variation | |
| Jul 5, 2025 | Arnott | 1–0 | Thomas | Round 3: Arnott, Jonathan W - Thomas, Roy | Sicilian Defense: Snyder Variation | |
| Jul 4, 2025 | Menadue | 1–0 | Arnott | Round 2: Menadue, Jeremy F S - Arnott, Jonathan W | Horwitz Defense | |
| Jul 4, 2025 | Arnott | 1–0 | McKenna | Round 1: Arnott, Jonathan W - McKenna, Joshua | King's Indian Defense | |
| Jun 29, 2025 | Arnott | ½–½ | Barwick | Round 5: Arnott, Jonathan W - Barwick, Carmel | Sicilian Defense | |
| Jun 29, 2025 | Ashton | 1–0 | Arnott | Round 4: Ashton, Adam G - Arnott, Jonathan W | French Defense: Advance Variation, Euwe Variation | |
| Jun 28, 2025 | Arnott | ½–½ | Surtees | Round 3: Arnott, Jonathan W - Surtees, Mike J | Pirc Defense | |
| Jun 28, 2025 | Bernard Mazonde | 0–1 | Arnott | Round 2: Bernard Mazonde - Arnott, Jonathan W | Indian Defense | |
| Jun 27, 2025 | Arnott | 1–0 | Rughani | Round 1: Arnott, Jonathan W - Rughani, Mahin | Caro-Kann Defense: Apocalypse Attack | |
| Apr 16, 2025 | Raczek | 1–0 | Arnott | Semana Santa A. 2025 | Zukertort Opening: Dutch Variation | |
| Apr 6, 2025 | Lishoy Gengis Paratazham | ½–½ | Arnott | Round 8: Lishoy Gengis Paratazham, Dildarav - Arnott, Jonathan W | Zukertort Opening: Dutch Variation | |
| Apr 5, 2025 | Arnott | 1–0 | Baer | Round 7: Arnott, Jonathan W - Baer, Bruce L | Modern Defense: Standard Line | |
| Feb 16, 2025 | Arnott | 1–0 | Terbe | Round 6: Arnott, Jonathan W - Terbe, Julianna | Sicilian Defense: Closed, Anti-Sveshnikov Variation, with d6 | |
| Feb 15, 2025 | Jackson | 1–0 | Arnott | Round 5: Jackson, Edward - Arnott, Jonathan W | French Defense: Tarrasch Variation | |
| Jan 1, 2025 | Han | 0–1 | Arnott | 98th Caplin Hastings Masters 2024 | French Defense: Exchange Variation | |
| Oct 25, 2024 | Sidney | 0–1 | Arnott | 39th European Chess Club Cup | Ponziani Opening: Caro Gambit | |
| Oct 23, 2024 | Nikolovski | ½–½ | Arnott | 39th European Chess Club Cup | French Defense: Chigorin Variation | |
| Oct 22, 2024 | Gnichtel | ½–½ | Arnott | 39th European Chess Club Cup | Dutch Defense: Classical Variation | |
| Oct 21, 2024 | Arnott | ½–½ | Weatherlake | 39th European Chess Club Cup | Queen's Gambit Declined: Ragozin Defense | |
| Oct 20, 2024 | Arnott | 0–1 | Koutlas | 39th European Chess Club Cup | Sicilian Defense: Alapin Variation | |
| Jul 31, 2024 | Subramanian | 1–0 | Arnott | Round 5: Subramanian, Anusha - Arnott, Jonathan W | Bogo-Indian Defense: Grünfeld Variation | |
| Jul 29, 2024 | Larchikov | ½–½ | Arnott | Round 3: Larchikov, Maksym - Arnott, Jonathan W | Bogo-Indian Defense: Nimzowitsch Variation | |
| Jul 28, 2024 | Southcott-Moyers | 1–0 | Arnott | Round 2: Southcott-Moyers, Indy - Arnott, Jonathan W | Dutch Defense: Classical Variation | |
| Jul 27, 2024 | Arnott | 0–1 | Wu | Round 1: Arnott, Jonathan W - Wu, Li | Caro-Kann Defense: Advance Variation | |
| May 6, 2024 | Gallana | 1–0 | Arnott | Round 11: Gallana, Marco - Arnott, Jonathan W | English Opening: King's English Variation, Adhiban Gambit | |
| May 5, 2024 | Arnott | 0–1 | Gormally | Round 10: Arnott, Jonathan W - Gormally, Daniel W | Sicilian Defense: Moscow Variation | |
| Nov 24, 2024 | Arnott | 0–1 | Richardson | Round 2: Arnott, Jonathan W - Richardson, John R | Caro-Kann Defense: Advance Variation | |
| Nov 23, 2024 | Sivanandan | ½–½ | Arnott | Round 1: Sivanandan, Bodhana - Arnott, Jonathan W | French Defense: Tarrasch Variation | |
| Aug 4, 2024 | Verbytski | ½–½ | Arnott | Round 9: Verbytski, Oleg - Arnott, Jonathan W | French Defense: Tarrasch Variation, Closed Variation, Main Line | |
| Aug 3, 2024 | Arnott | ½–½ | Dicen | Round 8: Arnott, Jonathan W - Dicen, Elis Denele | Sicilian Defense: Najdorf Variation | |
| Aug 2, 2024 | Merriman | 1–0 | Arnott | Round 7: Merriman, James - Arnott, Jonathan W | Benko Gambit Accepted: Fully Accepted Variation | |
| Aug 1, 2024 | Arnott | ½–½ | Sanger | Round 6: Arnott, Jonathan W - Sanger, Jake M | Sicilian Defense: Old Sicilian | |
| Jul 30, 2024 | Arnott | ½–½ | Bradbury | Round 4: Arnott, Jonathan W - Bradbury, Neil H | Caro-Kann Defense: Tartakower Variation | |
| Apr 30, 2023 | Arnott | ½–½ | Delaney | 4NCL Division 1 2022-2023 | Caro-Kann Defense: Advance Variation | |
| Apr 26, 2023 | Arnott | 0–1 | Grutter | II CHESSABLE SUNWAY FORMENTERA | Sicilian Defense: Taimanov Variation | |
| Apr 24, 2023 | Arnott | 0–1 | Jacobson | II CHESSABLE SUNWAY FORMENTERA | Ruy Lopez: Fianchetto Defense | |
| Apr 22, 2023 | Arnott | 1–0 | Belezky | II CHESSABLE SUNWAY FORMENTERA | Sicilian Defense: Dragon Variation, Yugoslav Attack, Modern Line | |
| Mar 19, 2023 | Arnott | 1–0 | Chong | 4NCL Division 1 2022-2023 | Scandinavian Defense: Modern Variation | |
| Mar 18, 2023 | Arnott | 0–1 | Hunt | 4NCL Division 1 2022-2023 | Sicilian Defense | |
| Feb 12, 2023 | Arnott | ½–½ | Foisor | 4NCL Division 1 2022-2023 | French Defense: Tarrasch Variation, Open System | |
| Feb 11, 2023 | Terbe | ½–½ | Arnott | 4NCL Division 1 2022-2023 | Dutch Defense: Classical Variation, Huisl Variation | |
| Jan 15, 2023 | Arnott | ½–½ | Radeva | 4NCL Division 1 2022-2023 | French Defense: Advance Variation, Milner-Barry Gambit, Hector Variation | |
| Jan 6, 2023 | Ruane | 0–1 | Arnott | Caplin Hastings Masters 2022 | French Defense: Advance Variation, Euwe Variation | |
| Jan 5, 2023 | Arnott | 0–1 | Latzke | Caplin Hastings Masters 2022 | Ruy Lopez: Exchange Variation, Gligoric Variation | |
| Jan 4, 2023 | Banerjee | ½–½ | Arnott | Caplin Hastings Masters 2022 | Sicilian Defense: Alapin Variation | |
| Jan 3, 2023 | Arnott | 1–0 | Jukes | Caplin Hastings Masters | Sicilian Defense | |
| Jan 2, 2023 | Anand | 1–0 | Arnott | Caplin Hastings Masters 2022 | Dutch Defense: Classical Variation | |
| Jan 1, 2023 | Arnott | 0–1 | Schimnatkowski | Caplin Hastings Masters 2022 | French Defense: Tarrasch Variation, Chistyakov Defense | |
| Dec 31, 2022 | Hutchinson | 0–1 | Arnott | Caplin Hastings Masters 2022 | Horwitz Defense | |
| Dec 30, 2022 | Arnott | ½–½ | O'gorman | Caplin Hastings Masters 2022 | Sicilian Defense: Moscow Variation | |
| Dec 29, 2022 | Shepley | 0–1 | Arnott | Caplin Hastings Masters 2022 | French Defense: Advance Variation, Euwe Variation | |
| Dec 28, 2022 | Arnott | 0–1 | Korpa | Caplin Hastings Masters 2022 | Nimzowitsch Defense: Mikenas Variation | |
| Oct 16, 2022 | Arnott | 1–0 | Skettos | Hull 4NCL International Open | French Defense: Tarrasch Variation, Chistyakov Defense | |
| Oct 16, 2022 | Carmichael | 0–1 | Arnott | Hull 4NCL International Open | Dutch Defense: Classical Variation | |
| Oct 14, 2022 | Clarke | 1–0 | Arnott | Hull 4NCL International Open | French Defense: Advance Variation, Euwe Variation | |
| Jun 25, 2022 | Arnott | ½–½ | Harvey | 4NCL Main League 1-2 | Caro-Kann Defense: Advance Variation | |
| May 1, 2022 | Arnott | ½–½ | Palliser | 4NCL Main League 1-2 | Ruy Lopez: Open Berlin Defense, l'Hermet Variation | |
| Apr 30, 2022 | Ratnesan | 0–1 | Arnott | 4NCL Main League 1-2 | Queen's Gambit Declined: Janowski Variation | |
| Feb 13, 2022 | Brewer | ½–½ | Arnott | 4NCL Main League 1-2 | French Defense: Tarrasch Variation, Closed Variation, Main Line | |
| Feb 12, 2022 | Arnott | 1–0 | Stewart | 4NCL Main League 1-2 | Sicilian Defense | |
| Nov 28, 2021 | Mullaparthi | 0–1 | Arnott | 4NCL Division 1_2 | French Defense: Steinitz Variation, Boleslavsky Variation | |
| Nov 27, 2021 | Arnott | * | Bates | 4NCL Division 1_2 | ? | |
| — | Arnott | ½–½ | Powierski | 4NCL Division 1 2023-2024 | Sicilian Defense: Delayed Alapin Variation, with e6 | |
| — | Arnott | 0–1 | Ding | Round 1: Arnott, Jonathan W - Ding, Yiwen | Caro-Kann Defense: Advance Variation | |
| — | Arnott | 1–0 | Ruane | Round 3: Arnott, Jonathan W - Ruane, Brendan J | Bishop's Opening: Vienna Hybrid | |
| — | Arnott | 0–1 | Sharma | Round 5: Arnott, Jonathan W - Sharma, Josh | Scotch Game: Scotch Gambit, Advance Variation | |
| — | Arnott | * | Melia | Round 9: Arnott, Jonathan W - Melia, Alfie | ? | |
| — | Shah | 0–1 | Arnott | Round 2: Shah, Samuel - Arnott, Jonathan W | French Defense: Exchange Variation | |