| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. R Lemon vs J L Foster |
| ½-½ | 46 | 1972 | Barnstaple Open | A58 Benko Gambit |
| 27. N J Holloway vs R Lemon |
| 1-0 | 35 | 1972 | Barnstaple Open | E66 King's Indian, Fianchetto, Yugoslav Panno |
| 28. R Bellin vs R Lemon |
| 1-0 | 48 | 1972 | Islington Open | C05 French, Tarrasch |
| 29. R Lemon vs S Macdonald-Ross |
| 1-0 | 34 | 1972 | Islington Open | A04 Reti Opening |
| 30. R Lemon vs R Sulman |
| 1-0 | 34 | 1981 | 82nd US Open | A10 English |
| 31. J Kastner vs R Lemon |
| ½-½ | 33 | 1981 | 82nd US Open | D28 Queen's Gambit Accepted, Classical |
| 32. D Russell Wada vs R Lemon |
| 1-0 | 52 | 1981 | 82nd US Open | D27 Queen's Gambit Accepted, Classical |
| 33. R Lemon vs M Plum |
 | 0-1 | 21 | 1982 | 83rd US Open | C45 Scotch Game |
| 34. K Shirazi vs R Lemon |
| 1-0 | 28 | 1983 | 84th US Open | B01 Scandinavian |
| 35. R Lemon vs J Brown |
| 1-0 | 19 | 1995 | National op | A00 Uncommon Opening |
| 36. S Fairbairn vs R Lemon |
| ½-½ | 36 | 1995 | National op | A40 Queen's Pawn Game |
| 37. A Belakovskaia vs R Lemon |
| ½-½ | 26 | 1995 | National op | A40 Queen's Pawn Game |
| 38. J Waitzkin vs R Lemon |
| 1-0 | 50 | 1995 | National op | B00 Uncommon King's Pawn Opening |
Kibitzing
