| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 151. R Van Kemenade vs J Cobb |
| 0-1 | 38 | 2007 | 53rd Welsh Championship | C77 Ruy Lopez |
| 152. J Cobb vs G Rees |
| 1-0 | 36 | 2007 | 53rd Welsh Championship | E67 King's Indian, Fianchetto |
| 153. I Rees vs J Cobb |
| 0-1 | 35 | 2007 | 53rd Welsh Championship | C90 Ruy Lopez, Closed |
| 154. J Cobb vs A Spice |
 | 0-1 | 35 | 2007 | 53rd Welsh Championship | C04 French, Tarrasch, Guimard Main line |
| 155. M White vs J Cobb |
| 0-1 | 53 | 2007 | 53rd Welsh Championship | B06 Robatsch |
| 156. R S Jones vs J Cobb |
| 0-1 | 40 | 2007 | 53rd Welsh Championship | C95 Ruy Lopez, Closed, Breyer |
| 157. J Cobb vs J Blackburn |
| 1-0 | 36 | 2007 | 53rd Welsh Championship | A40 Queen's Pawn Game |
| 158. J Cobb vs G Morris |
| 1-0 | 28 | 2008 | Welsh Championship | E60 King's Indian Defense |
| 159. J Blackburn vs J Cobb |
| 0-1 | 50 | 2008 | Welsh Championship | A42 Modern Defense, Averbakh System |
| 160. J Cobb vs T Kett |
| ½-½ | 24 | 2008 | Welsh Championship | A27 English, Three Knights System |
| 161. L Williams vs J Cobb |
| ½-½ | 23 | 2008 | Welsh Championship | C45 Scotch Game |
| 162. J Cobb vs A Spice |
| 1-0 | 34 | 2008 | Welsh Championship | A13 English |
| 163. S Zeidler vs J Cobb |
| 0-1 | 47 | 2008 | Welsh Championship | B06 Robatsch |
| 164. J Cobb vs R S Jones |
| 1-0 | 47 | 2008 | Welsh Championship | E70 King's Indian |
| 165. J Cobb vs J Parker |
| ½-½ | 20 | 2008 | 4NCL 2008/09 | A46 Queen's Pawn Game |
| 166. E Dearing vs J Cobb |
| 1-0 | 37 | 2008 | 4NCL 2008/09 | B06 Robatsch |
| 167. J Cobb vs P Constantinou |
| ½-½ | 31 | 2009 | British Championship | D12 Queen's Gambit Declined Slav |
| 168. F Ynojosa Aponte vs J Cobb |
| 0-1 | 74 | 2009 | British Championship | C28 Vienna Game |
| 169. S Williams vs J Cobb |
| ½-½ | 69 | 2009 | British Championship | D37 Queen's Gambit Declined |
| 170. J Cobb vs P Cumbers |
| 0-1 | 28 | 2009 | British Championship | A46 Queen's Pawn Game |
| 171. A Khandelwal vs J Cobb |
| ½-½ | 41 | 2009 | British Championship | C03 French, Tarrasch |
| 172. J Cobb vs Y Zhou |
| ½-½ | 60 | 2009 | British Championship | E60 King's Indian Defense |
| 173. D Fitzsimons vs J Cobb |
| 0-1 | 33 | 2009 | British Championship | C03 French, Tarrasch |
| 174. P K Wells vs J Cobb |
| 1-0 | 32 | 2009 | British Championship | E94 King's Indian, Orthodox |
| 175. J Cobb vs J N Sugden |
| ½-½ | 44 | 2009 | British Championship | A43 Old Benoni |
Kibitzing
