| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 126. C G Ward vs D Mason |
| 1-0 | 27 | 2015 | British Championship | E70 King's Indian |
| 127. D Mason vs O Hackner |
| 1-0 | 25 | 2015 | British Championship | E04 Catalan, Open, 5.Nf3 |
| 128. R Willmoth vs D Mason |
| 0-1 | 65 | 2015 | British Championship | A07 King's Indian Attack |
| 129. D Mason vs R Pert |
| 0-1 | 31 | 2015 | British Championship | E04 Catalan, Open, 5.Nf3 |
| 130. A Kalaiyalahan vs D Mason |
| ½-½ | 48 | 2015 | British Championship | E67 King's Indian, Fianchetto |
| 131. D Mason vs S A Jones |
| ½-½ | 19 | 2015 | British Championship | B21 Sicilian, 2.f4 and 2.d4 |
| 132. H Richards vs D Mason |
| 1-0 | 41 | 2015 | British Championship | A07 King's Indian Attack |
| 133. D Mason vs S N Longson |
| 1-0 | 40 | 2015 | British Championship | D31 Queen's Gambit Declined |
| 134. Pavel Asenov vs D Mason |
| 0-1 | 52 | 2015 | British Championship | E46 Nimzo-Indian |
| 135. A Ghasi vs D Mason |
| 1-0 | 31 | 2015 | British Rapidplay | A07 King's Indian Attack |
| 136. Shyam Jagdish Modi vs D Mason |
| ½-½ | 17 | 2016 | British Championship | B01 Scandinavian |
| 137. D Mason vs D Coleman |
| ½-½ | 26 | 2016 | British Championship | E04 Catalan, Open, 5.Nf3 |
| 138. A Kalaiyalahan vs D Mason |
| 0-1 | 62 | 2016 | British Championship | A96 Dutch, Classical Variation |
| 139. D Mason vs William Claridge-Hansen |
| ½-½ | 33 | 2016 | British Championship | B23 Sicilian, Closed |
| 140. Pavel Asenov vs D Mason |
| 1-0 | 32 | 2016 | British Championship | E97 King's Indian |
| 141. D Mason vs C Storey |
| 0-1 | 46 | 2016 | British Championship | B23 Sicilian, Closed |
| 142. I Lentzos vs D Mason |
| ½-½ | 24 | 2016 | British Championship | C47 Four Knights |
| 143. D Mason vs K M Shepherd |
| 1-0 | 49 | 2016 | British Championship | B10 Caro-Kann |
| 144. M R Harvey vs D Mason |
| ½-½ | 48 | 2016 | British Championship | A00 Uncommon Opening |
| 145. D Mason vs A Hill |
| ½-½ | 22 | 2016 | British Championship | D85 Grunfeld |
| 146. J Menadue vs D Mason |
| ½-½ | 15 | 2016 | British Championship | D12 Queen's Gambit Declined Slav |
Kibitzing
