| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. J Adams vs D E Rumens |
 | 0-1 | 31 | 1975 | Jersey International | C91 Ruy Lopez, Closed |
| 27. D E Rumens vs R Burns |
| 1-0 | 30 | 1975 | Hastings Challengers 1975/76 | B23 Sicilian, Closed |
| 28. D E Rumens vs J C Benjamin |
| 1-0 | 27 | 1976 | Charlton | B21 Sicilian, 2.f4 and 2.d4 |
| 29. Miles vs D E Rumens |
| 1-0 | 34 | 1976 | Greenwich Festival | C44 King's Pawn Game |
| 30. D E Rumens vs M J Franklin |
| 1-0 | 40 | 1976 | London Central YMCA Elo Tournament | B23 Sicilian, Closed |
| 31. J D Wager vs D E Rumens |
| 0-1 | 22 | 1976 | Lara Open | C45 Scotch Game |
| 32. M Goldschmidt vs D E Rumens |
| 0-1 | 25 | 1976 | Hastings Challengers 1975/76 | E30 Nimzo-Indian, Leningrad |
| 33. D E Rumens vs G Lambert |
| 1-0 | 35 | 1976 | Hastings Challengers 1975/76 | A02 Bird's Opening |
| 34. B Denman vs D E Rumens |
| ½-½ | 24 | 1976 | Hastings Challengers 1975/76 | C89 Ruy Lopez, Marshall |
| 35. Chandler vs D E Rumens |
| 0-1 | 45 | 1976 | Jersey Open | C77 Ruy Lopez |
| 36. D E Rumens vs G Lambert |
| 0-1 | 26 | 1976 | British Championship | B00 Uncommon King's Pawn Opening |
| 37. A Ludgate vs D E Rumens |
| 0-1 | 46 | 1976 | British Championship | A97 Dutch, Ilyin-Genevsky |
| 38. D E Rumens vs G H Bennett |
| 1-0 | 36 | 1976 | British Championship | A02 Bird's Opening |
| 39. R Bellin vs D E Rumens |
| 0-1 | 47 | 1976 | British Championship | A45 Queen's Pawn Game |
| 40. D E Rumens vs E Rayner |
| 1-0 | 36 | 1976 | British Championship | B23 Sicilian, Closed |
| 41. D E Rumens vs J Mestel |
| 0-1 | 59 | 1976 | British Championship | A02 Bird's Opening |
| 42. N Povah vs D E Rumens |
 | 0-1 | 40 | 1976 | British Championship | C65 Ruy Lopez, Berlin Defense |
| 43. D E Rumens vs M J Haygarth |
| 0-1 | 40 | 1976 | British Championship | A02 Bird's Opening |
| 44. A Whiteley vs D E Rumens |
| 1-0 | 40 | 1976 | British Championship | A80 Dutch |
| 45. D E Rumens vs G Botterill |
| 0-1 | 49 | 1976 | British Championship | B00 Uncommon King's Pawn Opening |
| 46. K Neat vs D E Rumens |
| 1-0 | 50 | 1976 | British Championship | E14 Queen's Indian |
| 47. D E Rumens vs Chandler |
| 0-1 | 40 | 1976 | Max Fuller Elo Tournament | A02 Bird's Opening |
| 48. D E Rumens vs Chandler |
| 0-1 | 59 | 1976 | Atkins Memorial op | A02 Bird's Opening |
| 49. D E Rumens vs M Vukcevich |
| 0-1 | 37 | 1976 | Hastings 1976/77 | C91 Ruy Lopez, Closed |
| 50. Smyslov vs D E Rumens |
| 1-0 | 57 | 1976 | Hastings 1976/77 | A04 Reti Opening |
Kibitzing
