| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 151. D Mason vs J Tambini |
| ½-½ | 20 | 2014 | British Championship | D37 Queen's Gambit Declined |
| 152. J Jarmany vs D Mason |
| ½-½ | 35 | 2014 | British Championship | C07 French, Tarrasch |
| 153. D Mason vs J D Wager |
| ½-½ | 43 | 2014 | British Championship | D07 Queen's Gambit Declined, Chigorin Defense |
| 154. A Pleasants vs D Mason |
| 0-1 | 23 | 2014 | British Championship | A45 Queen's Pawn Game |
| 155. D Mason vs J Rudd |
| 1-0 | 31 | 2014 | British Championship | A67 Benoni, Taimanov Variation |
| 156. R Haria vs D Mason |
| 1-0 | 29 | 2014 | British Championship | C05 French, Tarrasch |
| 157. D Mason vs M Brown |
| 0-1 | 40 | 2014 | British Championship | D87 Grunfeld, Exchange |
| 158. H Grieve vs D Mason |
| ½-½ | 19 | 2015 | British Championship | C18 French, Winawer |
| 159. D Mason vs Richard Zhu |
| 1-0 | 22 | 2015 | British Championship | D52 Queen's Gambit Declined |
| 160. C Ward vs D Mason |
| 1-0 | 27 | 2015 | British Championship | E70 King's Indian |
| 161. D Mason vs O Hackner |
| 1-0 | 25 | 2015 | British Championship | E04 Catalan, Open, 5.Nf3 |
| 162. R Willmoth vs D Mason |
| 0-1 | 65 | 2015 | British Championship | A07 King's Indian Attack |
| 163. D Mason vs R Pert |
| 0-1 | 31 | 2015 | British Championship | E04 Catalan, Open, 5.Nf3 |
| 164. A Kalaiyalahan vs D Mason |
| ½-½ | 48 | 2015 | British Championship | E67 King's Indian, Fianchetto |
| 165. D Mason vs S A Jones |
| ½-½ | 19 | 2015 | British Championship | B21 Sicilian, 2.f4 and 2.d4 |
| 166. H Richards vs D Mason |
| 1-0 | 41 | 2015 | British Championship | A07 King's Indian Attack |
| 167. D Mason vs S N Longson |
| 1-0 | 40 | 2015 | British Championship | D31 Queen's Gambit Declined |
| 168. P Asenov vs D Mason |
| 0-1 | 52 | 2015 | British Championship | E46 Nimzo-Indian |
| 169. A Ghasi vs D Mason |
| 1-0 | 31 | 2015 | British Rapidplay | A07 King's Indian Attack |
| 170. S J Modi vs D Mason |
 | ½-½ | 17 | 2016 | British Championship | B01 Scandinavian |
| 171. D Mason vs D Coleman |
| ½-½ | 26 | 2016 | British Championship | E04 Catalan, Open, 5.Nf3 |
| 172. A Kalaiyalahan vs D Mason |
| 0-1 | 62 | 2016 | British Championship | A96 Dutch, Classical Variation |
| 173. D Mason vs W Claridge-Hansen |
| ½-½ | 33 | 2016 | British Championship | B23 Sicilian, Closed |
| 174. P Asenov vs D Mason |
| 1-0 | 32 | 2016 | British Championship | E97 King's Indian |
| 175. D Mason vs C Storey |
| 0-1 | 46 | 2016 | British Championship | B23 Sicilian, Closed |
Kibitzing
