| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. Sosonko vs L Riemersma |
| ½-½ | 66 | 1987 | NED-ch | E03 Catalan, Open |
| 27. L Riemersma vs G Ligterink |
| ½-½ | 36 | 1987 | NED-ch | B46 Sicilian, Taimanov Variation |
| 28. H Ree vs L Riemersma |
| 1-0 | 42 | 1987 | NED-ch | E97 King's Indian |
| 29. L Riemersma vs G Pieterse |
| ½-½ | 31 | 1987 | NED-ch | B16 Caro-Kann, Bronstein-Larsen Variation |
| 30. L Riemersma vs J Brenninkmeijer |
| 0-1 | 27 | 1987 | EU-ch U20 | E41 Nimzo-Indian |
| 31. Gelfand vs L Riemersma |
 | 1-0 | 35 | 1987 | EU-ch U20 | E04 Catalan, Open, 5.Nf3 |
| 32. L Riemersma vs Timman |
| 0-1 | 36 | 1988 | NED | E45 Nimzo-Indian, 4.e3, Bronstein (Byrne) Variation |
| 33. L Riemersma vs Van Wely |
| 0-1 | 64 | 1988 | NED | E99 King's Indian, Orthodox, Taimanov |
| 34. H Hoeksema vs L Riemersma |
| ½-½ | 57 | 1988 | NED-ch sf A | E60 King's Indian Defense |
| 35. Nijboer vs L Riemersma |
| 1-0 | 65 | 1988 | Hoogovens-B | C93 Ruy Lopez, Closed, Smyslov Defense |
| 36. Fedorowicz vs L Riemersma |
| 1-0 | 49 | 1988 | Hoogovens-B | E47 Nimzo-Indian, 4.e3 O-O 5.Bd3 |
| 37. Tseshkovsky vs L Riemersma |
| 1-0 | 57 | 1988 | Hoogovens-B | B81 Sicilian, Scheveningen, Keres Attack |
| 38. L Riemersma vs Piket |
| 1-0 | 38 | 1988 | Dordrecht | B61 Sicilian, Richter-Rauzer, Larsen Variation, 7.Qd2 |
| 39. Khalifman vs L Riemersma |
| 1-0 | 41 | 1988 | Dordrecht | B77 Sicilian, Dragon, Yugoslav Attack |
| 40. L Riemersma vs Piket |
| 0-1 | 43 | 1988 | Spijkenisse | B63 Sicilian, Richter-Rauzer Attack |
| 41. Piket vs L Riemersma |
| ½-½ | 56 | 1988 | Spijkenisse | A46 Queen's Pawn Game |
| 42. Y R Yakovich vs L Riemersma |
| 1-0 | 26 | 1988 | GMA World Cup Open | B72 Sicilian, Dragon |
| 43. Tringov vs L Riemersma |
| 1-0 | 57 | 1988 | GMA World Cup Open | B70 Sicilian, Dragon Variation |
| 44. L Riemersma vs H Hoeksema |
| 1-0 | 33 | 1989 | Dieren op | B56 Sicilian |
| 45. M Martens vs L Riemersma |
| 1-0 | 38 | 1989 | Eindhoven | B51 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 46. L Riemersma vs J Willemsen |
| 1-0 | 29 | 1989 | Groningen op2 | C28 Vienna Game |
| 47. L Riemersma vs Suba |
| 0-1 | 35 | 1989 | Ostend op | B80 Sicilian, Scheveningen |
| 48. H Ree vs L Riemersma |
| 1-0 | 53 | 1990 | Rotterdam k.o. | A00 Uncommon Opening |
| 49. L Riemersma vs H Ree |
| 1-0 | 44 | 1990 | Rotterdam k.o. | C12 French, McCutcheon |
| 50. L Riemersma vs H Ree |
| 0-1 | 38 | 1990 | Rotterdam k.o. | B81 Sicilian, Scheveningen, Keres Attack |
Kibitzing
