Matches of applicants 1977-1978 - the stage of the world championship in chess, where a candidate for the match with the world champion was identified.
8 participants, including V. Korchnoi (finalist of the previous candidates match), B. Spassky (participant of the p / f match of the cycle of 1973–1975; included in connection with the refusal to participate in the R. Fisher candidates' competitions), 6 prize winners of interzone tournaments 1976 in Manila and Biel - V. Gort , B. Larsen , E. Meking , T. Petrosyan , L. Polugaevsky , L. Portis .
- In the h / f matches, Spassky won against Gort (in the extra match), Portisch - against Larsen, Polugaevsky - against Meking, Korchnoi - against Petrosyan;
- In the p / f matches Spassky - at Portisch and Korchnoi - at Polugaevsky.
- In the final, Korchnoi defeated Spassky and won the right to a match with world champion A. Karpov .
| Quarter finals | | Semifinals | | The final |
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| Reykjavik , February — April 1977 | | | | | | |
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| Boris Spassky | 8½ |
| Geneva , July — August 1977 |
| Vlastimil Gort | 7½ | |
| Boris Spassky | 8½ |
| Rotterdam , February — March 1977 |
| | Layosh Portis | 6½ | |
| Layosh Portis | 6½ |
| | Belgrade , November 1977 - January 1978 |
| Bent larsen | 3½ | |
| Boris Spassky | 7½ |
| Lucerne , February — April 1977 |
| | Victor Korchnoi | 10½ |
| Lev Polugaevsky | 6½ |
| Evian , July — August 1977 | |
| Enrique Mecking | 5½ | |
| Lev Polugaevsky | 4½ |
| Chocco , February — April 1977 |
| | Victor Korchnoi | 8½ | | |
| Victor Korchnoi | 6½ |
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| Tigran Petrosyan | 5½ | |
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