| Name: | Longen |
| Federation: |  |
| Years: | 1987 - 1987 |
| Total Games: | 7 |
| Wins: | 3 (42.86 %) |
| Draws: | 2 (28.57 %) |
| Losses: | 2 (28.57 %) |
| Score: | 57.14 % |
| Tournament | Date | Elo Avg. | Country |
| NATO-ch 10th | 10/18/1987 | 481 |  Denmark |
| ECO | Opening | Games |
| C10 | French, Paulsen variation | 1 games |
| B07 | Pirc defence | 1 games |
| B02 | Alekhine's defence | 1 games |
| A47 | Queen's Indian defence | 1 games |
| ECO | Opening | Games |
| A26 | English, closed system | 1 games |
| B06 | Robatsch (modern) defence | 1 games |
| B07 | Pirc defence | 1 games |
| White | ELO W | Black | ELO B | Result | Moves | ECO | Date | Tournament | View |
| Longen, | Steffens, O | 0-1  |
63 | C10 | 1987 | NATO-ch 10th |
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| Longen, | Meurrens, P | 1-0 |
14 | B07 | 1987 | NATO-ch 10th |
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| Longen, | De Cat, B | ½-½ |
9 | B02 | 1987 | NATO-ch 10th |
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| Longen, | Sage, G | 1-0 |
47 | A47 | 1987 | NATO-ch 10th |
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| Hoidahl, E | 2215 | Longen, | 0-1 |
35 | A26 | 1987 | NATO-ch 10th |
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| Malchau, H | Longen, | ½-½ |
14 | B06 | 1987 | NATO-ch 10th |
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| Hofstetter, H | Longen, | 1-0 |
52 | B07 | 1987 | NATO-ch 10th |
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