◄ 20th IPHO 1989 ►
Country results • Individual results
| Contestant | Country | Rank | Award |
|---|---|---|---|
| Steven Gubser | United States of America | 1 |  Gold Medal |
| Szabolcs Késmárki | Hungary | 2 | Gold Medal |
| Costin Popescu | Romania | 3 | Gold Medal |
| Olaf Kummer | Germany | 4 | Gold Medal |
| Jens Lang | Germany | 5 | Gold Medal |
| Michael Rutter | United Kingdom | 6 | Gold Medal |
| Desmond Rodney Lim Chin Siong | Singapore | 7 | Gold Medal |
| Nikolay Kuzma | Union of Soviet Socialist Republics | 8 | Gold Medal |
| Asen Kumanov | Bulgaria | 9 | Gold Medal |
| Eric Cator | Netherlands | 10 | Gold Medal |
| Cezary Śliwa | Poland | 11 |  Silver Medal |
| Piotr Kossacki | Poland | 12 | Silver Medal |
| Yan Jing | People's Republic of China | 13 | Silver Medal |
| Tomasz Motylewski | Poland | 14 | Silver Medal |
| Andrej Vilfan | Yugoslavia | 15 | Silver Medal |
| Mao Yong | People's Republic of China | 16 | Silver Medal |
| Udo Karthaus | Germany | 17 | Silver Medal |
| Colin Merryweather | United Kingdom | 18 | Silver Medal |
| Andre Fraenzel | German Democratic Republic | 19 | Silver Medal |
| Gabriel Balan | Romania | 20 | Silver Medal |
| Gregory Colyer | United Kingdom | 21 | Silver Medal |
| Qiu Dong Yu | People's Republic of China | 22 | Silver Medal |
| Ge Ning | People's Republic of China | 23 | Silver Medal |
| Mika Nyström | Sweden | 24 | Silver Medal |
| Rolf Oldeman | Netherlands | 25 | Silver Medal |
| Szilárd Szabó | Hungary | 26 | Silver Medal |
| Arnošt Kobylka | Czechoslovakia | 27 | Silver Medal |
| Volker Gebhardt | Germany | 28 | Silver Medal |
| Gábor Felső | Hungary | 29 | Silver Medal |
| Leopoldo Avelino Pando Zayas | Cuba | 30 | Silver Medal |
| Romke Jonker | Netherlands | 31 | Silver Medal |
| Gregor Weihs | Austria | 32 | Silver Medal |
| Aleksandr Korshtsov | Union of Soviet Socialist Republics | 33 | Silver Medal |
| Miroslav Vicher | Czechoslovakia | 34 | Silver Medal |
| Konstantin Stefanov | Bulgaria | 35 | Silver Medal |
| Werner Torsten | German Democratic Republic | 36 | Silver Medal |
| Arthur Street | Australia | 37 |  Bronze Medal |
| Lim Shiang Liang | Singapore | 38 | Bronze Medal |
| Zvonimir Bandić | Yugoslavia | 39 | Bronze Medal |
| Thomas Wilcke | German Democratic Republic | 40 | Bronze Medal |
| Konstantin Zuev | Union of Soviet Socialist Republics | 41 | Bronze Medal |
| Nima Arkani-Hamed | Canada | 42 | Bronze Medal |
| Richard Wilson | United Kingdom | 43 | Bronze Medal |
| Stefan Jacobsson | Sweden | 44 | Bronze Medal |
| Øyvind Tafjord | Norway | 45 | Bronze Medal |
| Andrej Doboš | Czechoslovakia | 46 | Bronze Medal |
| Jason Jacobs | United States of America | 47 | Bronze Medal |
| Lucian Ciobica | Romania | 48 | Bronze Medal |
| Romuald Janik | Poland | 49 | Bronze Medal |
| Swen Wunderlich | German Democratic Republic | 50 | Bronze Medal |
| Volker Springel | Germany | 51 | Bronze Medal |
| Yavor Velchev | Bulgaria | 52 | Bronze Medal |
| Ramin Farjad Rad | Islamic Republic of Iran | 53 | Bronze Medal |
| Zoltán Hidvégi | Hungary | 54 | Bronze Medal |
| Lin Xiao Fan | People's Republic of China | 55 | Bronze Medal |
| Viorel-Cristian Negoita | Romania | 56 | Bronze Medal |
| Carsten Deus | German Democratic Republic | 57 | Bronze Medal |
| Hannes Sakulin | Austria | 58 | Bronze Medal |
| Ramin Golestanian | Islamic Republic of Iran | 59 | Bronze Medal |
| Matthew Brecknell | Australia | 60 | Bronze Medal |
| Martijn Mulders | Netherlands | 61 | Bronze Medal |
| Thomas Bednar | Austria | 62 | Bronze Medal |
| Dubravko Tomasović | Yugoslavia | 63 | Bronze Medal |
| Derrick Bass | United States of America | 64 | Bronze Medal |
| Hans Olav Sundfør | Norway | 65 | Bronze Medal |
| Chris Simons | Canada | 66 | Bronze Medal |
| Vahid Borumand Sani | Islamic Republic of Iran | 67 |  Honourable Mention
|
| Vladislav Makeyev | Union of Soviet Socialist Republics | 68 | Honourable Mention
|
| Mona Berciu | Romania | 69 | Honourable Mention
|
| Timo Tarhasaari | Finland | 70 | Honourable Mention
|
| Silvano de Franceschi | Italy | 71 | Honourable Mention
|
| Dalibor Tużinski | Yugoslavia | 72 | Honourable Mention
|
| Federico Toschi | Italy | 73 | Honourable Mention
|
| Gareth Williams | Australia | 74 | Honourable Mention
|
| Christophe Colle | Belgium | 75 | Honourable Mention
|
| James Sarvis | United States of America | 76 | Honourable Mention
|
| Hüseyin Altun | Türkiye | 77 | Honourable Mention
|
| Timo Rantalainen | Finland | 78 | Honourable Mention
|
| Norbert Schörghofer | Austria | 79 | Honourable Mention
|
| Georgios Ioannou | Cyprus | 80 | Honourable Mention
|
| Janne Karimäki | Finland | 81 | Honourable Mention
|
| Brett Munro | Australia | 82 | Honourable Mention
|
| Gregory Lielens | Belgium | 83 | Honourable Mention
|
| Petr Duczynski | Czechoslovakia | 84 | Honourable Mention
|
| Simon Ekström | Sweden | 85 | Honourable Mention
|
| Gordon Ogilvie | United Kingdom | 86 | Honourable Mention
|
| Johan Axnäs | Sweden | 87 | Honourable Mention
|
| Pekka Heino | Finland | 88 | Honourable Mention
|
| Eric Nodwell | Canada | 89 | Honourable Mention
|
| Roger Klausen | Norway | 90 | Honourable Mention
|
| Stefan Piperov | Bulgaria | 91 | Honourable Mention
|
| Kristján Leósson | Iceland | 92 | Honourable Mention
|
| Gerardo A. Munoz | Colombia | 93 | Honourable Mention
|
| Otso Ovaskainen | Finland | 94 | Honourable Mention
|
| Juru Uvarov | Union of Soviet Socialist Republics | 95 | Honourable Mention
|
| Dragomir Neshev | Bulgaria | 96 | Honourable Mention
|
| Leszek Mencnarowski | Poland | 97 | Honourable Mention
|
| Arnold Metselaar | Netherlands | 98 | Honourable Mention
|
| Vjekoslav Mladineo | Yugoslavia | 99 | Honourable Mention
|
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