| Jun 21, 2026 | Pham | ½–½ | Arnold | HSG Open 2026 A | Grünfeld Defense: Exchange Variation, Modern Exchange Variation, Kramnik's Line | |
| Jun 21, 2026 | Groenewoud | 0–1 | Arnold | HSG Open 2026 A | Sicilian Defense: Classical Variation | |
| Jun 21, 2026 | Arnold | 1–0 | Midem | HSG Open 2026 A | Philidor Defense: Lion Variation | |
| Jun 19, 2026 | Hommes | 1–0 | Arnold | HSG Open 2026 A | Grünfeld Defense: Russian Variation | |
| Apr 30, 2026 | Arnold | 0–1 | Ritzerveld | Round 7: Arnold, Rhys - Ritzerveld, Noah | Ruy Lopez: Exchange Variation, Normal Variation | |
| Apr 29, 2026 | Smeets | ½–½ | Arnold | Round 6: Smeets, Kobe - Arnold, Rhys | Sicilian Defense: O'Kelly Variation, Réti System | |
| Apr 29, 2026 | Arnold | 1–0 | Heus | Round 5: Arnold, Rhys - Heus, Daan | Ruy Lopez: Schliemann Defense | |
| Apr 27, 2026 | Xu | 0–1 | Arnold | Round 4: Xu, Alex Z - Arnold, Rhys | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations | |
| Apr 26, 2026 | Arnold | ½–½ | Van Arendonk | Round 3: Arnold, Rhys - Van Arendonk, Polle | Ruy Lopez: Closed, Martinez Variation | |
| Apr 25, 2026 | Fallaux | ½–½ | Arnold | Round 2: Fallaux, Storm - Arnold, Rhys | Sicilian Defense: Modern Variations, Main Line | |
| Apr 25, 2026 | Arnold | 0–1 | Dinanath | Round 1: Arnold, Rhys - Dinanath, Hrdya | Sicilian Defense: Najdorf Variation | |
| Apr 11, 2026 | Swinkels | 1–0 | Arnold | Round 9: Swinkels, Robin - Arnold, Rhys | Neo-Grünfeld Defense: Classical Variation, Original Defense | |
| Mar 30, 2026 | Arnold | 1–0 | Van der Stricht | KNSB competitie 2025/2026 | Sicilian Defense: Najdorf Variation | |
| Mar 7, 2026 | Arnold | 0–1 | Schoppen | Round 8: Arnold, Rhys - Schoppen, Casper | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Feb 7, 2026 | Arnold | 1–0 | Suvorov | Round 7: Arnold, Rhys - Suvorov, Alexander | Sicilian Defense: Dragon Variation, Yugoslav Attack, Early Deviations | |
| Dec 28, 2025 | Arnold | 0–1 | Raczek | Round 2: Arnold, Rhys - Raczek, Krzysztof | Caro-Kann Defense: Advance Variation, Short Variation | |
| Dec 26, 2025 | Beukema | ½–½ | Arnold | Round 5: Beukema, Stefan - Arnold, Rhys | English Opening: Anglo-Indian Defense | |
| Nov 22, 2025 | Arnold | ½–½ | Ernst | Round 4: Arnold, Rhys - Ernst, Sipke | Ruy Lopez: Morphy Defense, Neo-Arkhangelsk Variation | |
| Nov 7, 2025 | Arnold | ½–½ | Van Wely | KNSB competitie 2025/2026 | Sicilian Defense: Taimanov Variation | |
| Nov 7, 2025 | Rustamov | 1–0 | Arnold | Round 9: Rustamov, Rustam - Arnold, Rhys | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations | |
| Nov 6, 2025 | Arnold | 1–0 | kiladze | Round 8: Arnold, Rhys - kiladze, Luka | Scandinavian Defense: Classical Variation | |
| Nov 5, 2025 | Coicev | ½–½ | Arnold | Round 7: Coicev, Matei-Andrei - Arnold, Rhys | Sicilian Defense: Alapin Variation, Smith-Morra Declined | |
| Nov 2, 2025 | Dotzer | ½–½ | Arnold | Round 5: Dotzer, Lukas - Arnold, Rhys | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation, Early Deviations | |
| Nov 1, 2025 | Arnold | 1–0 | Perossa | Round 4: Arnold, Rhys - Perossa, Nicolas | French Defense: Advance Variation, Paulsen Attack | |
| Oct 31, 2025 | Davudov | 0–1 | Arnold | Round 3: Davudov, Tunar - Arnold, Rhys | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Oct 27, 2025 | Arnold | 0–1 | Korchynskyi | Round 6: Arnold, Rhys - Korchynskyi, Mykola | Sicilian Defense: Najdorf Variation | |
| Oct 4, 2025 | Breukelman | 1–0 | Arnold | Round 2: Breukelman, Jan - Arnold, Rhys | Zukertort Opening | |
| Sep 20, 2025 | Arnold | 0–1 | Zwirs | Round 1: Arnold, Rhys - Zwirs, Nico | Sicilian Defense: Scheveningen Variation, English Attack, with f3 | |
| Sep 13, 2025 | Michiel Van Wissen | 1–0 | Arnold | Round 11: Michiel Van Wissen - Arnold, Rhys | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Sep 13, 2025 | Arnold | 1–0 | Gijsen | Round 10: Arnold, Rhys - Gijsen, William | Sicilian Defense: Taimanov Variation, Bastrikov Variation | |
| Sep 13, 2025 | Kurt | 0–1 | Arnold | Round 9: Kurt, Sascha - Arnold, Rhys | Nimzo-Larsen Attack: Classical Variation | |
| Sep 13, 2025 | Arnold | ½–½ | Dinanath | Round 8: Arnold, Rhys - Dinanath, Hrdya | Sicilian Defense: Najdorf Variation, English Attack | |
| Sep 13, 2025 | Meulmeester | 0–1 | Arnold | Round 7: Meulmeester, Luuk - Arnold, Rhys | Indian Defense: Pseudo-Benko | |
| Sep 13, 2025 | Arnold | 1–0 | Ritzerveld | Round 6: Arnold, Rhys - Ritzerveld, Noah | Four Knights Game: Glek System | |
| Sep 13, 2025 | Bram Van Der Velden | 0–1 | Arnold | Round 5: Bram Van Der Velden - Arnold, Rhys | Nimzo-Indian Defense: Three Knights Variation | |
| Sep 13, 2025 | Arnold | 1–0 | Joel Van Der Werf | Round 4: Arnold, Rhys - Joel Van Der Werf | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Sep 13, 2025 | IJzermans | 0–1 | Arnold | Round 2: IJzermans, Cees - Arnold, Rhys | Zukertort Opening: Sicilian Invitation | |
| Sep 13, 2025 | Arnold | 0–1 | Smeets | Round 1: Arnold, Rhys - Smeets, Kobe | Sicilian Defense: Richter-Rauzer Variation, Modern Variation | |
| Sep 13, 2025 | Bok | 1–0 | Arnold | 3.4: Bok, Benjamin - Arnold, Rhys | Nimzo-Indian Defense: Classical Variation | |
| Sep 13, 2025 | Arnold | 0–1 | Bosboom | 3.5: Arnold, Rhys - Bosboom, Manuel | Sicilian Defense: Najdorf Variation | |
| Sep 13, 2025 | Arnold | 1–0 | Madularea | 3.2: Arnold, Rhys - Madularea, David | Sicilian Defense: Hyperaccelerated Dragon | |
| Sep 13, 2025 | Zhu | 0–1 | Arnold | 3.3: Zhu, Chenwu - Arnold, Rhys | Sicilian Defense: Alapin Variation | |
| Sep 13, 2025 | Kurt | 1–0 | Arnold | 3.1: Kurt, Sascha - Arnold, Rhys | Zukertort Opening: Sicilian Invitation | |
| Sep 12, 2025 | Arnold | ½–½ | Mark Van Der Werf | Round 3: Arnold, Rhys - Mark Van Der Werf | Scandinavian Defense: Main Line, Mieses Variation | |
| Sep 4, 2025 | Arnold | 0–1 | Pancevski | Ottavo turno: Arnold, Rhys - Pancevski, Filip | Philidor Defense: Lion Variation | |
| Sep 2, 2025 | Arnold | ½–½ | Schernthaner | Sesto turno: Arnold, Rhys - Schernthaner, David | Sicilian Defense: Najdorf Variation | |
| Jul 30, 2025 | Krallis | 1–0 | Arnold | Round 4: Krallis, Christos - Arnold, Rhys | Sicilian Defense: Moscow Variation | |
| Jul 29, 2025 | Arnold | 0–1 | Eren | Round 2: Arnold, Rhys - Eren, Ataberk | French Defense: Advance Variation, Euwe Variation | |
| Jul 16, 2025 | Arnold | 1–0 | Barwinska | Najdorf Memorial | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Jul 16, 2025 | Arnold | 1–0 | Arun Kataria | Najdorf Memorial | Sicilian Defense: Najdorf Variation | |
| Jul 15, 2025 | Golis | ½–½ | Arnold | Najdorf Memorial | Sicilian Defense: Moscow Variation | |
| Jul 14, 2025 | Arnold | 1–0 | Suska | Najdorf Memorial | French Defense: St. George Defense | |
| Jul 13, 2025 | Arnold | ½–½ | Fiszer | Najdorf Memorial | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Jul 13, 2025 | Rosh Jain | 1–0 | Arnold | Najdorf Memorial | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Jul 11, 2025 | Arnold | 1–0 | Siennicki | Najdorf Memorial | Caro-Kann Defense: Advance Variation, Short Variation | |
| Jul 10, 2025 | Endeladze | ½–½ | Arnold | Najdorf Memorial | Zukertort Opening | |
| Jul 8, 2025 | Borowy | ½–½ | Arnold | Najdorf Memorial | Queen's Gambit Declined: Vienna Variation | |
| Jun 1, 2025 | Kampman | 0–1 | Arnold | Round 6: Kampman, Tijmen - Arnold, Rhys | King's Indian Attack: Sicilian Variation | |
| May 31, 2025 | Arnold | 0–1 | Smeets | Round 3: Arnold, Rhys - Smeets, Kobe | Sicilian Defense: Taimanov Variation | |
| May 13, 2025 | Piceu | 0–1 | Arnold | Round 9: Piceu, Tom - Arnold, Rhys | Bogo-Indian Defense: Grünfeld Variation | |
| May 2, 2025 | Arnold | ½–½ | Van Batenburg | Round 7: Arnold, Rhys - Van Batenburg, Mees | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| May 2, 2025 | Arnold | ½–½ | Kurt | Round 8: Arnold, Rhys - Kurt, Sascha | Sicilian Defense: Modern Variations | |
| May 2, 2025 | Arnold | 0–1 | Van Batenburg | Round 10: Arnold, Rhys - Van Batenburg, Mees | French Defense: Advance Variation, Euwe Variation | |
| May 2, 2025 | Madularea | 0–1 | Arnold | Round 9: Madularea, David - Arnold, Rhys | Indian Defense: Pseudo-Benko | |
| May 1, 2025 | Madularea | ½–½ | Arnold | Round 6: Madularea, David - Arnold, Rhys | Bogo-Indian Defense: Nimzowitsch Variation | |
| Apr 30, 2025 | Krylov | 0–1 | Arnold | Round 5: Krylov, Philippe - Arnold, Rhys | King's Indian Attack | |
| Apr 29, 2025 | Arnold | ½–½ | Kurt | Round 4: Arnold, Rhys - Kurt, Sascha | Sicilian Defense: Modern Variations | |
| Apr 28, 2025 | Zhu | ½–½ | Arnold | Round 3: Zhu, Chenwu - Arnold, Rhys | Sicilian Defense: Alapin Variation | |
| Apr 27, 2025 | Arnold | 1–0 | Kshirsagar | Round 2: Arnold, Rhys - Kshirsagar, Pranav | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Apr 26, 2025 | Teianu | 0–1 | Arnold | Round 1: Teianu, Maxim - Arnold, Rhys | Queen's Gambit Declined: Ragozin Defense | |
| Apr 18, 2025 | Arnold | 0–1 | Schmider | Round 2: Arnold, Rhys - Schmider, Niklas | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| Apr 5, 2025 | Arnold | 0–1 | Wempe | Round 8: Arnold, Rhys - Wempe, Joost | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation | |
| Mar 8, 2025 | Arnold | 0–1 | Hommerson | KNSB Meesterklasse 2024-2025 | Ruy Lopez: Closed, Breyer Defense, Zaitsev Hybrid | |
| Jan 5, 2025 | Arnold | ½–½ | Kazarian | 52nd Rilton Cup: Rilton Cup streamers games | French Defense: Advance Variation | |
| Feb 8, 2025 | Arnold | 0–1 | Swinkels | Round 6: Arnold, Rhys - Swinkels, Robin | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| Dec 30, 2024 | Heberla | 1–0 | Arnold | 52nd Rilton Cup | Catalan Opening: Closed | |
| Dec 14, 2024 | Arnold | ½–½ | Albers | KNSB Meesterklasse 2024-2025 | Caro-Kann Defense: Advance Variation, Short Variation | |
| Nov 9, 2024 | Schilstra | 0–1 | Arnold | KNSB Meesterklasse 2024-2025 | Indian Defense: Spielmann-Indian | |
| Oct 12, 2024 | Raats | 0–1 | Arnold | KNSB competitie | Italian Game: Two Knights Defense, Modern Bishop's Opening | |
| Sep 21, 2024 | Arnold | ½–½ | Fridman | KNSB Meesterklasse 2024-2025 | Caro-Kann Defense: Exchange Variation | |
| Aug 31, 2024 | Arnold | ½–½ | Mattenberger | EYCC 2024 - O16 | Sicilian Defense: Najdorf Variation, English Attack | |
| Aug 30, 2024 | Medhus | ½–½ | Arnold | EYCC 2024 - O16 | Ruy Lopez: Closed | |
| Aug 29, 2024 | Arnold | ½–½ | Berin | EYCC 2024 - O16 | Scandinavian Defense: Classical Variation | |
| Aug 28, 2024 | Rustamov | ½–½ | Arnold | EYCC 2024 - O16 | Ruy Lopez: Closed, Chigorin Defense | |
| Aug 26, 2024 | Arnold | 1–0 | Podolskyi | EYCC 2024 - O16 | Sicilian Defense: Kan Variation, Maróczy Bind, Réti Variation | |
| Aug 25, 2024 | Kolimar | ½–½ | Arnold | EYCC 2024 - O16 | Catalan Opening: Open Defense, Classical Line | |
| Aug 24, 2024 | Arnold | ½–½ | Ostensen | EYCC 2024 - O16 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Aug 23, 2024 | Kozlovic | ½–½ | Arnold | EYCC 2024 - O16 | Ruy Lopez: Closed | |
| Aug 14, 2024 | Arnold | 0–1 | Cramling | Lewis Chess Legends Open | Sicilian Defense: Taimanov Variation | |
| Aug 13, 2024 | Kvaloy | 1–0 | Arnold | Lewis Chess Legends Open | Benoni Defense: Fianchetto Variation | |
| Aug 12, 2024 | Hammer | 1–0 | Arnold | Lewis Chess Legends Open | Italian Game: Giuoco Pianissimo, Normal | |
| Aug 11, 2024 | Arnold | 1–0 | Kaasen | Lewis Chess Legends Open | Ruy Lopez: Morphy Defense, Steinitz Deferred | |
| Aug 10, 2024 | Arnold | 1–0 | Woltery | Lewis Chess Legends Open | Sicilian Defense: Accelerated Dragon, Maróczy Bind | |
| Aug 8, 2024 | Arnold | 0–1 | Savitha Shri B | Lewis Chess Legends Open | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack, Fianchetto Variation | |
| Aug 7, 2024 | Haug | ½–½ | Arnold | Lewis Chess Legends Open | Four Knights Game: Spanish Variation, Rubinstein Variation | |
| Jul 28, 2024 | Arnold | ½–½ | Volkov | 40 Open Internacional d'Escacs d'Andorra 2024 | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Jul 27, 2024 | Sumets | 1–0 | Arnold | 40 Open Internacional d'Escacs d'Andorra 2024 | Benoni Defense | |
| Jul 26, 2024 | Arnold | 0–1 | Domene Mulyukov | 40 Open Internacional d'Escacs d'Andorra 2024 | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| Jul 21, 2024 | Arnold | 0–1 | Garriga Cazorla | 40 Open Internacional d'Escacs d'Andorra 2024 | Sicilian Defense: Richter-Rauzer Variation, Neo-Modern Variation | |
| May 3, 2024 | Arnold | ½–½ | Madularea | Round 7: Arnold, Rhys - Madularea, David | Sicilian Defense: Moscow Variation, Sokolsky Variation | |