| Oct 26, 2025 | Walker | 1–0 | Collinson | Round 5: Walker, Martin G - Collinson, Mark I | Ruy Lopez: Steinitz Defense | |
| Oct 26, 2025 | Collinson | 1–0 | Surtees | Round 4: Collinson, Mark I - Surtees, Mike J | Horwitz Defense | |
| Oct 25, 2025 | Peart | 1–0 | Collinson | Round 3: Peart, Alan - Collinson, Mark I | Bishop's Opening: Vienna Hybrid | |
| Oct 25, 2025 | Collinson | 1–0 | Varley | Round 2: Collinson, Mark I - Varley, Joe | Indian Defense: Tartakower Attack | |
| Oct 24, 2025 | Dutton | ½–½ | Collinson | Round 1: Dutton, Ian R - Collinson, Mark I | Ruy Lopez: Steinitz Defense | |
| Sep 7, 2025 | Savage | 0–1 | Collinson | Hull 4NCL Congress 2025 - Open section. | St. George Defense: Polish Variation | |
| Sep 7, 2025 | Collinson | 0–1 | Davies | Hull 4NCL Congress 2025 - Open section. | Benoni Defense: Fianchetto Variation, Hastings Defense, Main Line | |
| Sep 6, 2025 | Collinson | 1–0 | Ilett | Hull 4NCL Congress 2025 - Open section. | Indian Defense: Tartakower Attack | |
| Sep 6, 2025 | Nelson | 1–0 | Collinson | Hull 4NCL Congress 2025 - Open section. | Polish Defense | |
| Sep 5, 2025 | Collinson | ½–½ | Ciuravin | Hull 4NCL Congress 2025 - Open section. | Horwitz Defense | |
| Jan 19, 2025 | Collinson | ½–½ | Sasikumar | 32nd 4NCL Congress | Catalan Opening: Closed | |
| Jan 19, 2025 | Peart | 1–0 | Collinson | 32nd 4NCL Congress | Bishop's Opening | |
| Jan 18, 2025 | Collinson | 1–0 | Rughani | 32nd 4NCL Congress | Slav Defense: Modern Line | |
| Jan 18, 2025 | Collinson | ½–½ | Zhu | 32nd 4NCL Congress | Queen's Gambit Declined | |
| Jan 17, 2025 | Larchikov | 1–0 | Collinson | 32nd 4NCL Congress | Tarrasch Defense: Two Knights Variation | |
| Jul 31, 2024 | Collinson | 1–0 | Moore | Round 3: Collinson, Mark I - Moore, Gerald | Dutch Defense: Queen's Knight Variation | |
| Jul 29, 2024 | Collinson | 1–0 | Burnett | Round 1: Collinson, Mark I - Burnett, Jim | Queen's Gambit Declined | |
| Sep 8, 2024 | Collinson | 0–1 | Zhu | Round 5: Collinson, Mark I - Zhu, Yaoyao | Queen's Gambit Declined | |
| Sep 7, 2024 | Collinson | 0–1 | Alan Peart | Round 2: Collinson, Mark I - Alan Peart | Indian Defense: King's Indian Variation, Fianchetto Variation | |
| Sep 7, 2024 | Sharma | ½–½ | Collinson | Round 3: Sharma, Devesh - Collinson, Mark I | Three Knights Opening | |
| Sep 6, 2024 | Ciuravin | 1–0 | Collinson | Round 1: Ciuravin, Andrei - Collinson, Mark I | Queen's Pawn Game: Accelerated London System, Steinitz Countergambit | |
| Aug 4, 2024 | Collinson | ½–½ | Hodge | Round 7: Collinson, Mark I - Hodge, Steve R | Dutch Defense | |
| Aug 3, 2024 | Chapman | 1–0 | Collinson | Round 6: Chapman, Terry P D - Collinson, Mark I | Tarrasch Defense: Classical Variation, Réti Variation | |
| Aug 2, 2024 | Collinson | 1–0 | Wager | Round 5: Collinson, Mark I - Wager, John D | Catalan Opening: Closed | |
| Aug 1, 2024 | Kilgour | 1–0 | Collinson | Round 4: Kilgour, David A. - Collinson, Mark I | Ruy Lopez: Steinitz Defense | |
| Jul 30, 2024 | Guilfoyle | ½–½ | Collinson | Round 2: Guilfoyle, John M - Collinson, Mark I | Tarrasch Defense: Classical Variation | |
| Oct 15, 2022 | Cooper | 1–0 | Collinson | Hull 4NCL International Open | English Opening: Symmetrical Variation, Two Knights, Fianchetto Variation | |
| Oct 14, 2022 | Collinson | 1–0 | James | Hull 4NCL International Open | Neo-Grünfeld Defense: Exchange Variation | |
| Aug 21, 2022 | Smith | 0–1 | Collinson | Chessable British Chess Championships: Seniors 65+ | Sicilian Defense: Dragon Variation, Levenfish Variation | |
| Aug 20, 2022 | Pert | 1–0 | Collinson | Chessable British Chess Championships: Week 2 Open | Sicilian Defense: Richter-Rauzer Variation | |
| Aug 19, 2022 | Collinson | 0–1 | Bonafont | Chessable British Chess Championships: Seniors 65+ | Catalan Opening: Open Defense | |
| Aug 19, 2022 | Fink-Nunn | 1–0 | Collinson | Chessable British Chess Championships: Week 2 Open | Pirc Defense: 150 Attack | |
| Aug 18, 2022 | Newton | 1–0 | Collinson | Chessable British Chess Championships: Seniors 65+ | Benoni Defense: King's Pawn Line | |
| Aug 17, 2022 | Collinson | 1–0 | Milnes | Chessable British Chess Championships: Seniors 65+ | Horwitz Defense | |
| Aug 17, 2022 | Collinson | 1–0 | Kumar | Chessable British Chess Championships: Week 2 Open | Indian Defense: Tartakower Attack | |
| Aug 16, 2022 | Carpenter | 0–1 | Collinson | Chessable British Chess Championships: Seniors 65+ | Zukertort Opening: Nimzo-Larsen Variation | |
| Aug 15, 2022 | Collinson | 0–1 | Orton | Chessable British Chess Championships: Seniors 65+ | Indian Defense: Tartakower Attack | |
| Aug 14, 2022 | Leslie | 1–0 | Collinson | Chessable British Chess Championships: Week 2 Open | Benoni Defense: Fianchetto Variation | |
| Oct 24, 2021 | Hebden | 1–0 | Collinson | Hull 4NCL Open | Rapport-Jobava System | |
| — | Collinson | 0–1 | Latypova | Chessable British Chess Championships: Week 2 Open | Indian Defense: Tartakower Attack | |
| — | Collinson | 1–0 | Kirupakaran | Chessable British Chess Championships: Week 2 Open | ? | |
| — | Collinson | ½–½ | Johnson | Chessable British Chess Championships: Seniors 65+ | Queen's Pawn Game | |
| — | Collinson | 0–1 | Page | Round 2: Collinson, Mark I - Page, Mark E | Indian Defense: Tartakower Attack | |
| — | Collinson | 1–0 | Clissold | Round 4: Collinson, Mark I - Clissold, Julian | Indian Defense: Tartakower Attack | |
| — | Collinson | ½–½ | James | Round 6: Collinson, Mark I - James, Geoffrey H | Tarrasch Defense: Classical Variation, Carlsbad Variation | |
| — | Mize | ½–½ | Collinson | Chessable British Chess Championships: Week 2 Open | King's Indian Defense: Smyslov Variation | |
| — | Orton | 0–1 | Collinson | Round 1: Orton, Stephen L A - Collinson, Mark I | Ruy Lopez: Steinitz Defense | |
| — | Hewson | 1–0 | Collinson | Round 3: Hewson, Brian W R - Collinson, Mark I | Queen's Pawn Game: Krause Variation | |
| — | De Coverly | ½–½ | Collinson | Round 5: De Coverly, Roger D - Collinson, Mark I | Ruy Lopez: Steinitz Defense | |
| — | Lawson | ½–½ | Collinson | Round 7: Lawson, Maurice E - Collinson, Mark I | Ruy Lopez: Steinitz Defense | |
