| 70th Danish Chess Championship (play-off) :: Tjele 1991 |
| pos. | name | Elo | Flag | 1 | 2 | 3 | 4 | 5 | 6 | pts | + | = | - |
| 1. | IM Mortensen, Erling | 2450 | |
½ | ½ | ½ | ½ | ½ | 1 | 3½ | 1 | 5 | 0 |
| 2. | Nielsen, Peter Heine | 2365 | |
½ | ½ | ½ | ½ | ½ | 0 | 2½ | 0 | 5 | 1 |
| 70th Danish Chess Championship (play-off) | |
| Dates: | 1st January 1991 |
| City: | Tjele (Denmark) |
| Venue: | |
| Organizers: | Dansk Skak Union |
| Chief Arbiter: | |
| Time control: | |
| Website: | https://danbase.skak.dk/turneringer.php?id=38 |
| PGN game file: | den-1991playoff.pgn |