| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 26. Nijboer vs M Martens |
| 1-0 | 52 | 1990 | Rotterdam k.o. | B40 Sicilian |
| 27. Nijboer vs M Martens |
| 0-1 | 50 | 1990 | Rotterdam k.o. | B82 Sicilian, Scheveningen |
| 28. Nijboer vs M Martens |
| 1-0 | 103 | 1990 | Rotterdam k.o. | B84 Sicilian, Scheveningen |
| 29. M Martens vs Nijboer |
| ½-½ | 63 | 1990 | Rotterdam k.o. | A04 Reti Opening |
| 30. M Martens vs Nijboer |
| 0-1 | 45 | 1990 | Rotterdam k.o. | B07 Pirc |
| 31. M Martens vs Nijboer |
| 1-0 | 60 | 1990 | Rotterdam k.o. | B04 Alekhine's Defense, Modern |
| 32. S Polgar vs M Martens |
| ½-½ | 39 | 1990 | Amsterdam OHRA | E11 Bogo-Indian Defense |
| 33. M Martens vs C Hansen |
| 0-1 | 23 | 1990 | Amsterdam OHRA | B08 Pirc, Classical |
| 34. M Martens vs N Mitkov |
| 1-0 | 42 | 1990 | World Junior Championship | C91 Ruy Lopez, Closed |
| 35. B Alterman vs M Martens |
| ½-½ | 26 | 1990 | World Junior Championship | E11 Bogo-Indian Defense |
| 36. M Martens vs Y Kosashvili |
| 0-1 | 55 | 1990 | World Junior Championship | C91 Ruy Lopez, Closed |
| 37. M Martens vs R Djurhuus |
| 0-1 | 40 | 1990 | World Junior Championship | C00 French Defense |
| 38. A Giaccio vs M Martens |
| 0-1 | 56 | 1990 | World Junior Championship | E11 Bogo-Indian Defense |
| 39. M Martens vs M Borriss |
| ½-½ | 50 | 1990 | World Junior Championship | B86 Sicilian, Fischer-Sozin Attack |
| 40. G R Hernandez Sevillano vs M Martens |
| 0-1 | 52 | 1990 | World Junior Championship | B83 Sicilian |
| 41. M Stephens vs M Martens |
| 0-1 | 33 | 1990 | World Junior Championship | A45 Queen's Pawn Game |
| 42. Z Varga vs M Martens |
| ½-½ | 35 | 1990 | World Junior Championship | A48 King's Indian |
| 43. M Ulybin vs M Martens |
| 1-0 | 34 | 1990 | World Junior Championship | B82 Sicilian, Scheveningen |
| 44. M Martens vs A Hauchard |
| 0-1 | 34 | 1990 | World Junior Championship | B01 Scandinavian |
| 45. M Martens vs C Lutz |
| ½-½ | 23 | 1990 | World Junior Championship | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 46. Van Wely vs M Martens |
| 0-1 | 42 | 1990 | Amsterdam OHRA | A46 Queen's Pawn Game |
| 47. F Hellers vs M Martens |
| 1-0 | 52 | 1990 | Amsterdam OHRA | B81 Sicilian, Scheveningen, Keres Attack |
| 48. M Martens vs H van Riemsdijk |
| 0-1 | 76 | 1990 | Amsterdam OHRA | C99 Ruy Lopez, Closed, Chigorin, 12...cd |
| 49. M Martens vs R Dam |
| ½-½ | 23 | 1990 | Amsterdam OHRA | B90 Sicilian, Najdorf |
| 50. M Piket vs M Martens |
| ½-½ | 14 | 1990 | Amsterdam OHRA | A40 Queen's Pawn Game |
Kibitzing
