| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. M Geenen vs K A Hynes |
| ½-½ | 27 | 1988 | Thessaloniki Olympiad | C69 Ruy Lopez, Exchange, Gligoric Variation |
| 27. M Geenen vs R Gunawan |
| 0-1 | 38 | 1988 | Thessaloniki Olympiad | C19 French, Winawer, Advance |
| 28. M Anciaux vs M Geenen |
| ½-½ | 17 | 1989 | BEL-ch | B33 Sicilian |
| 29. M Geenen vs E Ermenkov |
| ½-½ | 30 | 1989 | EUR-chT (Open) 9th | B94 Sicilian, Najdorf |
| 30. E Liss vs M Geenen |
| ½-½ | 19 | 1989 | EUR-chT (Open) 9th | C73 Ruy Lopez, Modern Steinitz Defense |
| 31. M Geenen vs M Wahls |
| ½-½ | 16 | 1989 | EUR-chT (Open) 9th | C41 Philidor Defense |
| 32. A Ipek vs M Geenen |
| ½-½ | 24 | 1989 | EUR-chT (Open) 9th | D07 Queen's Gambit Declined, Chigorin Defense |
| 33. M Geenen vs J Trevelyan |
 | 1-0 | 51 | 1989 | EUR-chT (Open) 9th | C25 Vienna |
| 34. M Geenen vs K Allen |
| ½-½ | 21 | 1989 | EUR-chT (Open) 9th | C26 Vienna |
| 35. S Tatai vs M Geenen |
| 1-0 | 64 | 1989 | EUR-chT (Open) 9th | C64 Ruy Lopez, Classical |
| 36. M Christodoulou vs M Geenen |
| 0-1 | 34 | 1989 | EUR-chT (Open) 9th | D07 Queen's Gambit Declined, Chigorin Defense |
| 37. M Anciaux vs M Geenen |
| ½-½ | 33 | 1990 | BEL-ch | A28 English |
| 38. P Kerkhof vs M Geenen |
| ½-½ | 14 | 1990 | Iclicki Masters | B01 Scandinavian |
| 39. T Karolyi vs M Geenen |
| 0-1 | 39 | 1990 | Iclicki Masters | E95 King's Indian, Orthodox, 7...Nbd7, 8.Re1 |
| 40. W Iclicki vs M Geenen |
| 0-1 | 22 | 1990 | Iclicki Masters | E76 King's Indian, Four Pawns Attack |
| 41. M Geenen vs T Van Houtte |
| ½-½ | 17 | 1990 | Iclicki Masters | B45 Sicilian, Taimanov |
| 42. M Geenen vs G Lane |
| ½-½ | 26 | 1990 | Iclicki Masters | C26 Vienna |
| 43. E Ssentongo vs M Geenen |
| 0-1 | 29 | 1990 | Novi Sad Olympiad | E94 King's Indian, Orthodox |
| 44. M Geenen vs D V Prasad |
| ½-½ | 32 | 1990 | Novi Sad Olympiad | B45 Sicilian, Taimanov |
| 45. M Geenen vs J C Hansen |
| ½-½ | 56 | 1990 | Novi Sad Olympiad | C05 French, Tarrasch |
| 46. M Geenen vs J Campeert |
| 1-0 | 25 | 1991 | corr | C26 Vienna |
| 47. M Geenen vs R Mainka |
| 0-1 | 31 | 1991 | Ostend Open | B82 Sicilian, Scheveningen |
| 48. M Geenen vs J Vanheste |
| ½-½ | 35 | 1991 | Ostend Open | C03 French, Tarrasch |
| 49. E Gloria vs M Geenen |
| 1-0 | 41 | 1992 | Manila Olympiad | D31 Queen's Gambit Declined |
| 50. E Grivas vs M Geenen |
| ½-½ | 20 | 1992 | Manila Olympiad | D02 Queen's Pawn Game |
Kibitzing
