| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 126. S Semkov vs H Olafsson |
| ½-½ | 52 | 1988 | Tigran Petrosian Memorial | D87 Grunfeld, Exchange |
| 127. M Pavlovic vs S Semkov |
 | ½-½ | 25 | 1988 | Tigran Petrosian Memorial | B23 Sicilian, Closed |
| 128. S Semkov vs Knaak |
| 1-0 | 47 | 1988 | Tigran Petrosian Memorial | A57 Benko Gambit |
| 129. S Semkov vs A Negulescu |
| 1-0 | 45 | 1988 | Tigran Petrosian Memorial | B07 Pirc |
| 130. A Anastasian vs S Semkov |
| 1-0 | 34 | 1988 | Tigran Petrosian Memorial | D31 Queen's Gambit Declined |
| 131. S Semkov vs Y Dokhoian |
| 0-1 | 82 | 1988 | Tigran Petrosian Memorial | D35 Queen's Gambit Declined |
| 132. A Petrosian vs S Semkov |
| ½-½ | 23 | 1988 | Tigran Petrosian Memorial | E09 Catalan, Closed |
| 133. S Semkov vs S de Eccher |
| ½-½ | 44 | 1988 | Forli Open | E43 Nimzo-Indian, Fischer Variation |
| 134. Z Ljubisavljevic vs S Semkov |
| 1-0 | 29 | 1988 | Forli Open | D31 Queen's Gambit Declined |
| 135. S Semkov vs C Rossi |
| ½-½ | 57 | 1988 | Forli Open | A40 Queen's Pawn Game |
| 136. C Pantaleoni vs S Semkov |
| 0-1 | 29 | 1988 | Forli Open | D31 Queen's Gambit Declined |
| 137. S Semkov vs P Passerotti |
| 1-0 | 36 | 1988 | Forli Open | D47 Queen's Gambit Declined Semi-Slav |
| 138. P Votruba vs S Semkov |
| 1-0 | 57 | 1988 | Forli Open | D27 Queen's Gambit Accepted, Classical |
| 139. S Semkov vs M Lanzani |
| 1-0 | 36 | 1988 | Forli Open | E53 Nimzo-Indian, 4.e3 |
| 140. F Braga vs S Semkov |
| 1-0 | 38 | 1988 | Forli Open | B22 Sicilian, Alapin |
| 141. S Semkov vs L Sapi |
| 1-0 | 32 | 1988 | Forli Open | D26 Queen's Gambit Accepted |
| 142. S Semkov vs R Hartoch |
| ½-½ | 55 | 1988 | Berlin Open | B07 Pirc |
| 143. M Wahls vs S Semkov |
| 1-0 | 39 | 1988 | Berlin Open | B44 Sicilian |
| 144. J Gabriel vs S Semkov |
| 0-1 | 25 | 1988 | Berlin Open | A29 English, Four Knights, Kingside Fianchetto |
| 145. C Gabriel vs S Semkov |
| ½-½ | 54 | 1988 | Berlin Open | B25 Sicilian, Closed |
| 146. S Semkov vs F Roski |
| 1-0 | 21 | 1988 | Berlin Open | D85 Grunfeld |
| 147. T Rakic vs S Semkov |
| 1-0 | 34 | 1988 | Berlin Open | D02 Queen's Pawn Game |
| 148. S Semkov vs A Carstens |
| 1-0 | 40 | 1988 | Berlin Open | E94 King's Indian, Orthodox |
| 149. W Kruszynski vs S Semkov |
| 0-1 | 44 | 1988 | Berlin Open | B47 Sicilian, Taimanov (Bastrikov) Variation |
| 150. C Braga vs S Semkov |
| 1-0 | 34 | 1988 | Thessaloniki Olympiad | A07 King's Indian Attack |
Kibitzing
