| Rank | Score | Rating | Date | Event | |
|---|---|---|---|---|---|
|
|
6
|
163 | · | May 25, 1991 |
3rd International Olympiad in Informatics. Greece
|
|
|
20
|
56 | · | May 19, 1989 |
1st International Olympiad in Informatics. Bulgaria
|
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