Computer Olympiad
| Edition | Ereignis | Herkunft | Teilnehmer | Turniere |
|---|---|---|---|---|
| 19 | 2016 Leiden | The Netherlands | ||
| 18 | 2015 Leiden | The Netherlands | 13 | 5 |
| 17 | 2013 Yokohama | Japan | 79 | 22 |
| 16 | 2011 Tilburg | The Netherlands | 59 | 18 |
| 15 | 2010 Kanazawa | Japan | 90 | 20 |
| 14 | 2009 Pamplona | Spain | 52 | 13 |
| 13 | 2008 Beijing | China | 75 | 12 |
| 12 | 2007 Amsterdam | The Netherlands | 40 | 10 |
| 11 | 2006 Turin | Italy | 44 | 12 |
| 10 | 2005 Taipei | Taiwan (ROC) | 42 | 8 |
| 9 | 2004 Ramat-Gan | Israel | 22 | 7 |
| 8 | 2003 Graz | Austria | 44 | 12 |
| 7 | 2002 Maastricht | The Netherlands | 40 | 10 |
| 6 | 2001 Maastricht | The Netherlands | 15 | 5 |
| 5 | 2000 London | United Kingdom | 23 | 6 |
| 4 | 1992 London | United Kingdom | 42 | 13 |
| 3 | 1991 Maastricht | The Netherlands | 53 | 13 |
| 2 | 1990 London | United Kingdom | 47 | 13 |
| 1 | 1989 London | United Kingdom | 84 | 15 |