| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 126. A Longson vs D Daskalov |
| 0-1 | 42 | 2018 | 4NCL 2017/18 | C42 Petrov Defense |
| 127. A Longson vs D Klingher |
| 1-0 | 29 | 2018 | 4NCL 2017/18 | C05 French, Tarrasch |
| 128. R Edouard vs A Longson |
| 1-0 | 63 | 2018 | 4NCL 2017/18 | A13 English |
| 129. A Longson vs A Greet |
| ½-½ | 40 | 2018 | Northumbria Masters | C07 French, Tarrasch |
| 130. B Lalic vs A Longson |
| ½-½ | 18 | 2018 | Northumbria Masters | D31 Queen's Gambit Declined |
| 131. A Longson vs S A White |
| 1-0 | 28 | 2018 | Northumbria Masters | C07 French, Tarrasch |
| 132. V Plat vs A Longson |
| 1-0 | 59 | 2018 | Northumbria Masters | C45 Scotch Game |
| 133. A Longson vs P Asenov |
| 1-0 | 43 | 2018 | Northumbria Masters | C62 Ruy Lopez, Old Steinitz Defense |
| 134. G Nasuta vs A Longson |
| 1-0 | 31 | 2018 | Northumbria Masters | C85 Ruy Lopez, Exchange Variation Doubly Deferred (DERLD) |
| 135. A Longson vs M P Townsend |
| ½-½ | 44 | 2018 | Northumbria Masters | C07 French, Tarrasch |
| 136. E Player vs A Longson |
| ½-½ | 36 | 2018 | Northumbria Masters | C55 Two Knights Defense |
| 137. A Longson vs P Gayson |
| 1-0 | 35 | 2018 | Northumbria Masters | B46 Sicilian, Taimanov Variation |
| 138. A Longson vs A Stewart |
| ½-½ | 36 | 2018 | 4NCL 2017/18 | B27 Sicilian |
| 139. A Bukojemski vs A Longson |
| 0-1 | 30 | 2018 | 4NCL 2017/18 | C78 Ruy Lopez |
| 140. A Longson vs C Daly |
| ½-½ | 31 | 2018 | Irish Easter GM | B42 Sicilian, Kan |
| 141. M Simantsev vs A Longson |
| ½-½ | 10 | 2018 | Irish Easter GM | D37 Queen's Gambit Declined |
| 142. A Longson vs M J Turner |
| ½-½ | 8 | 2018 | Irish Easter GM | C90 Ruy Lopez, Closed |
| 143. D Fitzsimons vs A Longson |
| 0-1 | 33 | 2018 | Irish Easter GM | C55 Two Knights Defense |
| 144. A Longson vs N Pert |
| ½-½ | 48 | 2018 | Irish Easter GM | B31 Sicilian, Rossolimo Variation |
| 145. A Longson vs A A Lopez |
| 0-1 | 29 | 2018 | Irish Easter GM | B17 Caro-Kann, Steinitz Variation |
| 146. S Collins vs A Longson |
| ½-½ | 47 | 2018 | Irish Easter GM | C95 Ruy Lopez, Closed, Breyer |
| 147. A Longson vs S Poghosyan |
| 0-1 | 35 | 2018 | Irish Easter GM | C03 French, Tarrasch |
| 148. J Ryan vs A Longson |
| ½-½ | 10 | 2018 | Irish Easter GM | C47 Four Knights |
| 149. R M McKay vs A Longson |
| 1-0 | 37 | 2018 | 4NCL 2017/18 | A00 Uncommon Opening |
| 150. A Longson vs S A Jones |
| 1-0 | 41 | 2018 | 4NCL 2017/18 | B01 Scandinavian |
Kibitzing
