30th IMO 1989

General information
Braunschweig, Germany (13.7. - 24.7.)
Number of participating countries: 50.
Number of contestants: 291 ; 13.
Awards
Maximum possible points per contestant: 7+7+7+7+7+7=42.
Gold medals: 20 (score ≥ 38 points) .
Silver medals: 55 (score ≥ 30 points) .
Bronze medals: 72 (score ≥ 18 points) .
Honourable mentions: 64.
IMO board