| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 251. T Hansen vs J Parker |
| 1-0 | 60 | 2008 | European Club Cup | B48 Sicilian, Taimanov Variation |
| 252. J Parker vs R Skytte |
| ½-½ | 20 | 2008 | European Club Cup | D10 Queen's Gambit Declined Slav |
| 253. A Kveinys vs J Parker |
| 1-0 | 65 | 2008 | European Club Cup | E32 Nimzo-Indian, Classical |
| 254. J Parker vs L Trent |
| 1-0 | 23 | 2010 | 4NCL 2010/11 | E73 King's Indian |
| 255. J Parker vs R Polaczek |
| 1-0 | 27 | 2011 | 4NCL 2010/11 | D58 Queen's Gambit Declined, Tartakower (Makagonov-Bondarevsky) Syst |
| 256. J Jirka vs J Parker |
| 0-1 | 58 | 2011 | 4NCL 2010/11 | E00 Queen's Pawn Game |
| 257. A Hunt vs J Parker |
| ½-½ | 22 | 2011 | 4NCL 2010/11 | C67 Ruy Lopez |
| 258. J Parker vs Adams |
 | ½-½ | 56 | 2011 | 4NCL 2010/11 | E14 Queen's Indian |
| 259. M Hebden vs J Parker |
| ½-½ | 25 | 2011 | 4NCL 2011/12 | D30 Queen's Gambit Declined |
| 260. S Williams vs J Parker |
| 1-0 | 33 | 2012 | 4NCL 2011/12 | C33 King's Gambit Accepted |
| 261. J Parker vs C McNab |
| ½-½ | 16 | 2012 | 4NCL 2011/12 | B09 Pirc, Austrian Attack |
| 262. L Trent vs J Parker |
| ½-½ | 18 | 2012 | 4NCL 2011/12 | C65 Ruy Lopez, Berlin Defense |
| 263. J Parker vs R Edouard |
| ½-½ | 19 | 2012 | 4NCL 2011/12 | D94 Grunfeld |
| 264. J Parker vs A Rizouk |
| 1-0 | 22 | 2012 | 4NCL 2011/12 | D38 Queen's Gambit Declined, Ragozin Variation |
| 265. J Rowson vs J Parker |
| ½-½ | 22 | 2012 | 4NCL 2011/12 | D36 Queen's Gambit Declined, Exchange, Positional line, 6.Qc2 |
| 266. J Parker vs K Arkell |
| 1-0 | 32 | 2012 | 4NCL 2012/13 | E00 Queen's Pawn Game |
| 267. J Parker vs J Rowson |
| 0-1 | 33 | 2013 | 4NCL | E48 Nimzo-Indian, 4.e3 O-O 5.Bd3 d5 |
| 268. J Parker vs Lenderman |
| ½-½ | 54 | 2014 | London Chess Classic (Rapid Open) | E21 Nimzo-Indian, Three Knights |
| 269. Short vs J Parker |
| ½-½ | 49 | 2014 | London Chess Classic (Rapid Open) | A20 English |
| 270. J Parker vs Van Wely |
| 0-1 | 35 | 2014 | London Chess Classic (Rapid Open) | E47 Nimzo-Indian, 4.e3 O-O 5.Bd3 |
| 271. G Buckley vs J Parker |
| ½-½ | 36 | 2016 | 4NCL 2016/2017 | C95 Ruy Lopez, Closed, Breyer |
| 272. J Parker vs G Jones |
| ½-½ | 30 | 2017 | 4NCL 2016/2017 | A49 King's Indian, Fianchetto without c4 |
| 273. J Parker vs D Alsina Leal |
| ½-½ | 44 | 2018 | 4NCL 2017/18 | A04 Reti Opening |
| 274. J Parker vs H Olson |
| 1-0 | 70 | 2024 | 4NCL 2024/25 | D37 Queen's Gambit Declined |
| 275. M Hebden vs J Parker |
| 1-0 | 44 | 2025 | 4NCL 2024/25 | A46 Queen's Pawn Game |
Kibitzing
