| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. E Wiersma vs Van der Wiel |
| ½-½ | 37 | 1995 | Dutch Championship | C16 French, Winawer |
| 27. D Reinderman vs E Wiersma |
| ½-½ | 29 | 1995 | Dutch Championship | E94 King's Indian, Orthodox |
| 28. E Wiersma vs W Zagema |
| 1-0 | 24 | 1995 | Leeuwarden Open | C41 Philidor Defense |
| 29. A Vydeslaver vs E Wiersma |
| ½-½ | 39 | 1995 | Leeuwarden Open | B31 Sicilian, Rossolimo Variation |
| 30. E Wiersma vs M Donk |
| 0-1 | 37 | 1995 | Leeuwarden Open | B42 Sicilian, Kan |
| 31. R Kuijf vs E Wiersma |
| 1-0 | 21 | 1995 | Leeuwarden Open | B22 Sicilian, Alapin |
| 32. E Wiersma vs L Riemersma |
| 0-1 | 25 | 1995 | Leeuwarden Open | B45 Sicilian, Taimanov |
| 33. S Martinovic vs E Wiersma |
| ½-½ | 45 | 1995 | Groningen Open | B08 Pirc, Classical |
| 34. M Donk vs E Wiersma |
| ½-½ | 26 | 1995 | Groningen Open | E94 King's Indian, Orthodox |
| 35. Z Peng vs E Wiersma |
| 1-0 | 18 | 1995 | Groningen Open | E94 King's Indian, Orthodox |
| 36. E Wiersma vs A Vydeslaver |
| 0-1 | 23 | 1995 | Groningen Open | B62 Sicilian, Richter-Rauzer |
| 37. H van der Meer vs E Wiersma |
| 0-1 | 34 | 1996 | Groningen SC op | B30 Sicilian |
| 38. E Wiersma vs H Jonkman |
| 1-0 | 40 | 1997 | Leeuwarden op | C22 Center Game |
| 39. E Wiersma vs G Kern |
| 1-0 | 42 | 1997 | Ruhrgebiet VL2 9798 | C10 French |
| 40. E Wiersma vs M Ulybin |
| 0-1 | 66 | 1997 | Leeuwarden op | C11 French |
| 41. Lobron vs E Wiersma |
| 1-0 | 64 | 1997 | Leeuwarden op | A56 Benoni Defense |
| 42. E Wiersma vs Timoshenko |
| ½-½ | 42 | 1997 | Berliner Sommer 15th | B45 Sicilian, Taimanov |
| 43. A Wojtkiewicz vs E Wiersma |
| 1-0 | 41 | 1998 | Utrecht op | A15 English |
| 44. A Galkin vs E Wiersma |
| 0-1 | 58 | 1998 | Wch U26 (Men) | B33 Sicilian |
| 45. E Wiersma vs D Reinderman |
| 0-1 | 28 | 1998 | Groningen Open | B46 Sicilian, Taimanov Variation |
| 46. J Amesz vs E Wiersma |
| 0-1 | 26 | 1998 | Groningen Open | A04 Reti Opening |
| 47. K Urban vs E Wiersma |
| 1-0 | 26 | 1998 | Groningen Open | A00 Uncommon Opening |
| 48. F Erwich vs E Wiersma |
| 0-1 | 48 | 1998 | Groningen Open | B20 Sicilian |
| 49. E Wiersma vs V M Vehi Bach |
| 0-1 | 30 | 1998 | Groningen Open | B43 Sicilian, Kan, 5.Nc3 |
| 50. E Wiersma vs G Verholt |
| 1-0 | 35 | 1999 | Dutch Open | C42 Petrov Defense |
Kibitzing
