| Rank | Score | Rating | Date | Event | |
|---|---|---|---|---|---|
|
|
3
|
147 | · | July 21, 1990 |
2nd International Olympiad in Informatics. Soviet Union
|
|
|
1
|
100 | · | May 19, 1989 |
1st International Olympiad in Informatics. Bulgaria
|
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