| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 101. S Wolf vs U Seidemann |
| 0-1 | 28 | 1984 | East German Championship (Women) | B80 Sicilian, Scheveningen |
| 102. U Seidemann vs G Seils |
| ½-½ | 26 | 1984 | East German Championship (Women) | D75 Neo-Grunfeld, 6.cd Nxd5, 7.O-O c5, 8.dxc5 |
| 103. U Seidemann vs C Jahn |
| 0-1 | 60 | 1984 | East German Championship (Women) | B01 Scandinavian |
| 104. A Wagner-Michel vs U Seidemann |
| ½-½ | 27 | 1984 | East German Championship (Women) | B20 Sicilian |
| 105. I Mai vs U Seidemann |
| 1-0 | 41 | 1988 | East German Championship (Women) | E97 King's Indian |
| 106. G Heinatz vs U Seidemann |
| 1-0 | 60 | 1988 | East German Championship (Women) | E67 King's Indian, Fianchetto |
| 107. C Jahn vs U Seidemann |
| ½-½ | 24 | 1988 | East German Championship (Women) | B22 Sicilian, Alapin |
| 108. U Seidemann vs I Starck |
| 0-1 | 34 | 1988 | East German Championship (Women) | A12 English with b3 |
| 109. U Seidemann vs A Goehler |
| 0-1 | 33 | 1988 | East German Championship (Women) | A04 Reti Opening |
| 110. G Geissler vs U Seidemann |
| 1-0 | 50 | 1988 | East German Championship (Women) | A16 English |
| 111. U Seidemann vs M Heintze |
| 0-1 | 55 | 1988 | East German Championship (Women) | D00 Queen's Pawn Game |
| 112. K Kunze vs U Seidemann |
| ½-½ | 37 | 1988 | East German Championship (Women) | B52 Sicilian, Canal-Sokolsky (Rossolimo) Attack |
| 113. U Seidemann vs K Daemering |
| 1-0 | 47 | 1988 | East German Championship (Women) | B04 Alekhine's Defense, Modern |
| 114. S Wolf vs U Seidemann |
| 0-1 | 54 | 1988 | East German Championship (Women) | B80 Sicilian, Scheveningen |
| 115. U Seidemann vs G Seils |
| ½-½ | 10 | 1988 | East German Championship (Women) | A37 English, Symmetrical |
| 116. A Wagner-Michel vs U Seidemann |
| ½-½ | 43 | 1988 | East German Championship (Women) | B43 Sicilian, Kan, 5.Nc3 |
| 117. U Seidemann vs E Nuenchert |
| ½-½ | 10 | 1988 | East German Championship (Women) | A10 English |
| 118. U Seidemann vs I Mai |
| ½-½ | 30 | 1993 | BL9293 (Women) | A18 English, Mikenas-Carls |
| 119. U Seidemann vs G Just |
| ½-½ | 64 | 1993 | BL9293 (Women) | A85 Dutch, with c4 & Nc3 |
| 120. S Ulms vs U Seidemann |
| 0-1 | 63 | 1999 | Bundesliga 1998/99 (Women) | E87 King's Indian, Samisch, Orthodox |
Kibitzing
