| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. S Knott vs D Cummings |
| ½-½ | 30 | 1979 | British Championship | A16 English |
| 27. D Cummings vs Hodgson |
| ½-½ | 47 | 1979 | British Championship | A04 Reti Opening |
| 28. D J Strauss vs D Cummings |
| ½-½ | 28 | 1979 | British Championship | D91 Grunfeld, 5.Bg5 |
| 29. D Cummings vs C W Baker |
| 1-0 | 28 | 1979 | British Championship | A28 English |
| 30. W N Watson vs D Cummings |
| 0-1 | 39 | 1979 | British Championship | B46 Sicilian, Taimanov Variation |
| 31. D Cummings vs P Littlewood |
| 0-1 | 45 | 1979 | British Championship | A07 King's Indian Attack |
| 32. A Muir vs D Cummings |
| 0-1 | 34 | 1979 | 3rd Lloyds Bank Masters Open | B44 Sicilian |
| 33. D Cummings vs P Littlewood |
| 0-1 | 34 | 1979 | 3rd Lloyds Bank Masters Open | A06 Reti Opening |
| 34. A D Martin vs D Cummings |
| 1-0 | 39 | 1979 | 3rd Lloyds Bank Masters Open | B21 Sicilian, 2.f4 and 2.d4 |
| 35. D Cummings vs C Garwood |
| 1-0 | 30 | 1979 | 3rd Lloyds Bank Masters Open | E62 King's Indian, Fianchetto |
| 36. D Cummings vs Speelman |
| 0-1 | 28 | 1979 | Brighton | A14 English |
| 37. D Cummings vs J Fedorowicz |
| ½-½ | 45 | 1979 | Brighton | A15 English |
| 38. L Blackstock vs D Cummings |
| ½-½ | 14 | 1979 | Brighton | A34 English, Symmetrical |
| 39. A Whiteley vs D Cummings |
| 1-0 | 33 | 1979 | Brighton | D76 Neo-Grunfeld, 6.cd Nxd5, 7.O-O Nb6 |
| 40. D Cummings vs I Wells |
 | 1-0 | 35 | 1979 | Brighton | A29 English, Four Knights, Kingside Fianchetto |
| 41. D Goodman vs D Cummings |
| ½-½ | 29 | 1979 | Brighton | E12 Queen's Indian |
| 42. D Cummings vs B Denman |
| ½-½ | 44 | 1979 | Brighton | A28 English |
| 43. D Cummings vs M Macdonald-Ross |
| ½-½ | 33 | 1979 | Brighton | E96 King's Indian, Orthodox, 7...Nbd7, Main line |
| 44. Chandler vs D Cummings |
| 1-0 | 32 | 1979 | Brighton | E12 Queen's Indian |
| 45. R Emerson vs D Cummings |
| 1-0 | 26 | 1980 | County Championship | B46 Sicilian, Taimanov Variation |
| 46. M Fuller vs D Cummings |
| 0-1 | 29 | 1980 | British Championship | B20 Sicilian |
| 47. D Cummings vs W Hartston |
| 0-1 | 43 | 1980 | British Championship | A10 English |
| 48. R Britton vs D Cummings |
| ½-½ | 63 | 1980 | British Championship | A07 King's Indian Attack |
| 49. D Cummings vs Speelman |
| 0-1 | 27 | 1980 | British Championship | A14 English |
| 50. J C Henshaw vs D Cummings |
| 0-1 | 54 | 1980 | British Championship | B22 Sicilian, Alapin |
Kibitzing
