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| Game |
| Result | Moves |
Year | Event/Locale | Opening |
| 1. D Donchev vs V Inkiov |
| ½-½ | 13 | 1981 | Bulgarian Championship | B90 Sicilian, Najdorf |
| 2. D Donchev vs V Lukov |
| 0-1 | 58 | 1982 | Bulgarian Championship | B90 Sicilian, Najdorf |
| 3. D Donchev vs L Spassov |
| ½-½ | 37 | 1982 | Bulgarian Championship | B90 Sicilian, Najdorf |
| 4. D Donchev vs Yudasin |
| 0-1 | 24 | 1983 | Lvov | B90 Sicilian, Najdorf |
| 5. D Donchev vs J Pinter |
 | ½-½ | 52 | 1985 | Prague Zonal | B90 Sicilian, Najdorf |
| 6. D Donchev vs E Ubilava |
| 0-1 | 34 | 1985 | Varna | B90 Sicilian, Najdorf |
| 7. D Donchev vs K Grigorian |
| ½-½ | 20 | 1986 | Yerevan | B90 Sicilian, Najdorf |
| 8. D Donchev vs Ribli |
| ½-½ | 16 | 1988 | Thessaloniki Olympiad | B90 Sicilian, Najdorf |
| 9. D Donchev vs E Girault |
| 1-0 | 41 | 1989 | Cannes Open | B90 Sicilian, Najdorf |
| 10. D Donchev vs K Georgiev |
| ½-½ | 32 | 1989 | Bulgarian Championship | B90 Sicilian, Najdorf |
| 11. D Donchev vs A Wojtkiewicz |
| ½-½ | 46 | 1989 | EUR-chT (Open) 9th | B90 Sicilian, Najdorf |
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Kibitzing
