| 22 mar 2026 | Evans, Ruben 2018 | Birtwistle, Nigel 2041 | 0-1 | E77 Defensa India de Rey: Four Pawns Attack | 4NCL Division 2 2025-2026 | 29 | Ver |
| 14 mar 2026 | Wells, Peter K 2426 | Birtwistle, Nigel 2051 | 1-0 | A45 Ataque Trompowsky | British Rapidplay Championship 2026 | Boards 1-100 | 23 | Ver |
| 14 mar 2026 | Birtwistle, Nigel 2051 | Bates, Richard A 2390 | 0-1 | B22 Defensa Siciliana: Alapin Variation | British Rapidplay Championship 2026 | Boards 1-100 | 51 | Ver |
| 8 feb 2026 | Birtwistle, Nigel 2032 | Graham, David B 2119 | 1-0 | C02 Defensa Francesa: Advance Variation, Milner-Barry Gambit, Main Line | 4NCL Division 2 2025-2026 | 46 | Ver |
| 11 ene 2026 | Baltrunas, Evaldas 2011 | Birtwistle, Nigel 2020 | 0-1 | A57 Gambito Benko aceptado: Modern Variation | 4NCL Division 2 2025-2026 | 44 | Ver |
| 10 ene 2026 | Birtwistle, Nigel 2020 | James, Russell A 2102 | ½-½ | B22 Defensa Siciliana: Delayed Alapin Variation | 4NCL Division 2 2025-2026 | 19 | Ver |
| 2 nov 2025 | Birtwistle, Nigel 2038 | Lishoy Gengis Paratazham, Dildarav 2017 | 0-1 | C41 Defensa Philidor: Lion Variation | 4NCL Division 2 2025-2026 | 44 | Ver |
| 1 nov 2025 | Willmoth, Robert F 2130 | Birtwistle, Nigel 2038 | 1-0 | B35 Defensa Siciliana: Accelerated Dragon, Modern Bc4 Variation | 4NCL Division 2 2025-2026 | 53 | Ver |
| 25 oct 2025 | Larchikov, Maksym 2145 | Birtwistle, Nigel 2053 | 1-0 | A40 Apertura de Peón de Dama: Modern Defense | Scarborough Chess Congress 2025: Open | 49 | Ver |
| 7 sep 2025 | Walker, Martin G 2091 | Birtwistle, Nigel 2068 | 1-0 | B20 Defensa Siciliana: Wing Gambit | Hull 4NCL Congress 2025 - Open section. | 45 | Ver |
| 6 sep 2025 | Potter, John M 2018 | Birtwistle, Nigel 2068 | 1-0 | B27 Defensa Siciliana: Hyperaccelerated Dragon | Hull 4NCL Congress 2025 - Open section. | 27 | Ver |
| 23 ago 2025 | Merry, Alan B 2403 | Birtwistle, Nigel 2068 | 1-0 | E60 Defensa India de Rey: Fianchetto Variation, Immediate Fianchetto | Hull 4NCL Congress 2025 - Open section. | 35 | Ver |
