| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 51. M Matthiesen vs D Reyhan |
| ½-½ | 26 | 2004 | European Club Cup | D32 Queen's Gambit Declined, Tarrasch |
| 52. M Matthiesen vs M Feygin |
| 0-1 | 74 | 2004 | European Club Cup | A07 King's Indian Attack |
| 53. C Arduman vs M Matthiesen |
| 1-0 | 25 | 2004 | European Club Cup | A45 Queen's Pawn Game |
| 54. P Schapotschnikov vs M Matthiesen |
 | 0-1 | 39 | 2004 | European Club Cup | B12 Caro-Kann Defense |
| 55. M Matthiesen vs J A Nilssen |
| ½-½ | 31 | 2005 | Aarhus IM | D86 Grunfeld, Exchange |
| 56. M Matthiesen vs C K Pedersen |
| ½-½ | 87 | 2005 | Aarhus IM | E94 King's Indian, Orthodox |
| 57. P Rewitz vs M Matthiesen |
| 0-1 | 29 | 2005 | Aarhus IM | A45 Queen's Pawn Game |
| 58. M Matthiesen vs K Jakubowski |
| 0-1 | 37 | 2005 | Aarhus IM | A85 Dutch, with c4 & Nc3 |
| 59. F Lamprecht vs M Matthiesen |
| 1-0 | 55 | 2005 | Aarhus IM | A48 King's Indian |
| 60. M Matthiesen vs K Berg |
| 1-0 | 36 | 2005 | Aarhus IM | D15 Queen's Gambit Declined Slav |
| 61. L Stark vs M Matthiesen |
| 0-1 | 57 | 2005 | Aarhus IM | A15 English |
| 62. T Petri vs M Matthiesen |
| 0-1 | 60 | 2005 | Aarhus IM | A08 King's Indian Attack |
| 63. M Matthiesen vs E Hermansson |
| 0-1 | 31 | 2005 | Samba Cup-B 2nd | D87 Grunfeld, Exchange |
| 64. N V Pedersen vs M Matthiesen |
| 1-0 | 25 | 2007 | Danish Championship | D27 Queen's Gambit Accepted, Classical |
| 65. M Matthiesen vs T Jaksland |
| 1-0 | 28 | 2007 | Danish Championship | B32 Sicilian |
| 66. M Matthiesen vs S Pedersen |
| 1-0 | 50 | 2007 | Danish Championship | D12 Queen's Gambit Declined Slav |
| 67. L B Hansen vs M Matthiesen |
| 1-0 | 34 | 2007 | Danish Championship | D27 Queen's Gambit Accepted, Classical |
| 68. M Matthiesen vs C Rasmussen |
| 0-1 | 47 | 2007 | Danish Championship | D18 Queen's Gambit Declined Slav, Dutch |
| 69. B Barth Sahl vs M Matthiesen |
| ½-½ | 40 | 2007 | Danish Championship | B33 Sicilian |
| 70. M Matthiesen vs L Schandorff |
| 0-1 | 41 | 2007 | Danish Championship | C96 Ruy Lopez, Closed |
| 71. M Matthiesen vs A Flaata |
| 0-1 | 42 | 2008 | Johannessen Memorial | A31 English, Symmetrical, Benoni Formation |
| 72. M Matthiesen vs A S Rasmussen |
| 0-1 | 46 | 2009 | ch-DEN | D45 Queen's Gambit Declined Semi-Slav |
| 73. H Andersen vs M Matthiesen |
| 0-1 | 26 | 2009 | Politiken Cup | B90 Sicilian, Najdorf |
| 74. D Sorensen vs M Matthiesen |
| 0-1 | 40 | 2009 | Politiken Cup | E69 King's Indian, Fianchetto, Classical Main line |
| 75. M Matthiesen vs S Jensen |
| 0-1 | 32 | 2009 | Politiken Cup | D37 Queen's Gambit Declined |
Kibitzing
