Game |
| Result | Moves |
Year | Event/Locale | Opening |
151. R Chavez Chavez vs S Semkov |
| 0-1 | 45 | 1988 | Thessaloniki Olympiad | B44 Sicilian |
152. S Semkov vs E Handoko |
| 1-0 | 54 | 1988 | Thessaloniki Olympiad | D35 Queen's Gambit Declined |
153. S Semkov vs V Kovacevic |
| 1-0 | 61 | 1988 | Thessaloniki Olympiad | A88 Dutch, Leningrad, Main Variation with c6 |
154. S Semkov vs Petursson |
| 1-0 | 72 | 1988 | Thessaloniki Olympiad | E53 Nimzo-Indian, 4.e3 |
155. C Hoi vs S Semkov |
| 1-0 | 38 | 1988 | Thessaloniki Olympiad | D11 Queen's Gambit Declined Slav |
156. S Semkov vs R Hernandez Onna |
| 0-1 | 53 | 1988 | Thessaloniki Olympiad | E41 Nimzo-Indian |
157. S Semkov vs M Hebden |
| ½-½ | 53 | 1989 | Villeneuve | E76 King's Indian, Four Pawns Attack |
158. A Kosten vs S Semkov |
| 1-0 | 38 | 1989 | Cannes Open | B44 Sicilian |
159. Dorfman vs S Semkov |
| 1-0 | 43 | 1989 | Cannes Open | D30 Queen's Gambit Declined |
160. D Levacic vs S Semkov |
| 0-1 | 25 | 1989 | Cannes Open | D20 Queen's Gambit Accepted |
161. M Palac vs S Semkov |
| 0-1 | 39 | 1989 | Cannes Open | B47 Sicilian, Taimanov (Bastrikov) Variation |
162. S Semkov vs N Kelecevic |
| 1-0 | 47 | 1989 | Cannes Open | D35 Queen's Gambit Declined |
163. S Semkov vs J Murey |
| 1-0 | 50 | 1989 | Cannes Open | A69 Benoni, Four Pawns Attack, Main line |
164. S Semkov vs D Samovojska |
| 0-1 | 45 | 1989 | Cannes Open | D35 Queen's Gambit Declined |
165. S Semkov vs M Santo-Roman |
| ½-½ | 22 | 1989 | Cannes Open | A87 Dutch, Leningrad, Main Variation |
166. S Semkov vs Z Tasic |
| 1-0 | 22 | 1989 | Cannes Open | E77 King's Indian |
167. S Semkov vs G Andruet |
 | 1-0 | 24 | 1990 | BUL-FRA | A57 Benko Gambit |
168. G Andruet vs S Semkov |
| 0-1 | 40 | 1990 | BUL-FRA | D20 Queen's Gambit Accepted |
169. S Semkov vs J Chabanon |
| ½-½ | 24 | 1990 | BUL-FRA | D85 Grunfeld |
170. J Boudy Bueno vs S Semkov |
| ½-½ | 13 | 1990 | BUL-FRA m | B47 Sicilian, Taimanov (Bastrikov) Variation |
171. S Semkov vs J Boudy Bueno |
| ½-½ | 25 | 1990 | BUL-FRA m | D47 Queen's Gambit Declined Semi-Slav |
172. M Corvi vs S Semkov |
| ½-½ | 40 | 1990 | Rome Open | A36 English |
173. S Semkov vs S Corso |
| 1-0 | 51 | 1990 | Rome Open | A52 Budapest Gambit |
174. Smyslov vs S Semkov |
| 1-0 | 34 | 1990 | Rome Open | D20 Queen's Gambit Accepted |
175. S Semkov vs A Testa |
| 1-0 | 33 | 1990 | Rome Open | D47 Queen's Gambit Declined Semi-Slav |