| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 251. C E Murphy vs J N Sugden |
| ½-½ | 44 | 2018 | Hastings 2017/18 | A45 Queen's Pawn Game |
| 252. J N Sugden vs A Oyama |
| ½-½ | 37 | 2018 | Hastings 2017/18 | E19 Queen's Indian, Old Main line, 9.Qxc3 |
| 253. B Lalic vs J N Sugden |
| 1-0 | 29 | 2018 | Hastings 2017/18 | A70 Benoni, Classical with 7.Nf3 |
| 254. J Kristiansen vs J N Sugden |
| ½-½ | 71 | 2018 | Hastings 2017/18 | E41 Nimzo-Indian |
| 255. J N Sugden vs R Palliser |
 | ½-½ | 70 | 2018 | British Championship | B06 Robatsch |
| 256. D Kolbus vs J N Sugden |
| 1-0 | 73 | 2018 | British Championship | A20 English |
| 257. J N Sugden vs M R Burke |
| ½-½ | 46 | 2018 | British Championship | B01 Scandinavian |
| 258. C Pritchett vs J N Sugden |
| ½-½ | 74 | 2018 | British Championship | A14 English |
| 259. P Tozer vs J N Sugden |
| ½-½ | 49 | 2018 | British Championship | A10 English |
| 260. J N Sugden vs J McPhillips |
| 0-1 | 40 | 2018 | British Championship | C02 French, Advance |
| 261. J N Sugden vs R Britton |
| 0-1 | 57 | 2018 | British Championship | B25 Sicilian, Closed |
| 262. R D de Coverly vs J N Sugden |
| 1-0 | 63 | 2018 | British Championship | A07 King's Indian Attack |
| 263. K Thurlow vs J N Sugden |
| ½-½ | 26 | 2018 | British Championship | A28 English |
| 264. J N Sugden vs R Vaishali |
| 0-1 | 39 | 2019 | Hastings 2019/20 | E88 King's Indian, Samisch, Orthodox, 7.d5 c6 |
| 265. J Rudd vs J N Sugden |
| 1-0 | 41 | 2020 | Hastings 2019/20 | E17 Queen's Indian |
| 266. Y Han vs J N Sugden |
| 1-0 | 31 | 2022 | Caplin Hastings Masters | B48 Sicilian, Taimanov Variation |
| 267. J N Sugden vs O W Howell |
| ½-½ | 24 | 2022 | Caplin Hastings Masters | C02 French, Advance |
| 268. B Ruane vs J N Sugden |
| 1-0 | 28 | 2022 | Caplin Hastings Masters | B90 Sicilian, Najdorf |
| 269. J N Sugden vs L Butt |
| 1-0 | 32 | 2022 | Caplin Hastings Masters | B00 Uncommon King's Pawn Opening |
| 270. R Jacobs vs J N Sugden |
| ½-½ | 61 | 2023 | Caplin Hastings Masters | A43 Old Benoni |
| 271. J N Sugden vs S Jerome |
| 1-0 | 23 | 2023 | Caplin Hastings Masters | A40 Queen's Pawn Game |
| 272. T Brown vs J N Sugden |
| 1-0 | 70 | 2023 | Caplin Hastings Masters | D02 Queen's Pawn Game |
| 273. J N Sugden vs A A Gorgun |
| ½-½ | 46 | 2023 | Caplin Hastings Masters | D87 Grunfeld, Exchange |
| 274. C Byrn vs J N Sugden |
| 0-1 | 37 | 2023 | Caplin Hastings Masters | A65 Benoni, 6.e4 |
| 275. J N Sugden vs M R Wilson |
| 1-0 | 36 | 2023 | Caplin Hastings Masters | C43 Petrov, Modern Attack |
Kibitzing
