| 1 | A | B | C | D | E | F | G | H | I |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 2 | World Sudoku Championship - Results summary |  |  |  |  |  |  |  |  |
| 3 | Year | Host city | Host nation | Individual | Individual | Individual | Team | Team | Team |
| 4 | Year | Host city | Host nation | Gold | Silver | Bronze | Gold | Silver | Bronze |
| 5 | 2020 | Shanghai | China | - | - | - | - | - | - |
| 6 | 2019 | Kirchheim | Germany | - | - | - | - | - | - |
| 7 | 2018 | Prague | Czech Republic | Japan Kota Morinishi | France Bastien Vial-Jaime | Estonia Tiit Vunk | Japan | China | Germany |
| 8 | 2017 | Bangalore | India | Japan Kota Morinishi | Estonia Tiit Vunk | China Qiu Yanzhe | China | Japan | France |
| 9 | 2016 | Senec | Slovakia | Estonia Tiit Vunk | Czech RepublicJakub Ondroušek | Japan Kota Morinishi | Czech Republic | China | Japan |
| 10 | 2015 | Sofia | Bulgaria | Japan Kota Morinishi | Estonia Tiit Vunk | Czech RepublicJakub Ondroušek | Japan | China | Czech Republic |
| 11 | 2014 | London | United Kingdom | Japan Kota Morinishi | Estonia Tiit Vunk | France Bastien Vial-Jaime Czech RepublicJakub Ondroušek(tied) | Japan | Germany | China |
| 12 | 2013 | Beijing | China | China Jin Ce | Japan Kota Morinishi | Czech Republic Jakub Ondroušek | China | Czech Republic | Japan |
| 13 | 2012 | Kraljevica | Croatia | Poland Jan Mrozowski | Japan Kota Morinishi | Japan Hideaki Jo | Japan | Czech Republic | China |
| 14 | 2011 | Eger | Hungary | United States Thomas Snyder | Japan Kota Morinishi | Estonia Tiit Vunk | Germany | Czech Republic | United States |
| 15 | 2010 | Philadelphia | United States | Poland Jan Mrozowski | Czech Republic Jakub Ondroušek | Japan Hideaki Jo | Germany | Czech Republic | Japan |
| 16 | 2009 | Žilina | Slovakia | Poland Jan Mrozowski | Serbia Branko Ceranic | Czech Republic Robert Babilon | Slovakia | Czech Republic | Serbia |
| 17 | 2008 | Goa | India | United States Thomas Snyder | Japan Yuhei Kusui | Czech Republic Jakub Ondroušek | Czech Republic | Japan | Germany |
| 18 | 2007 | Prague | Czech Republic | United States Thomas Snyder | Japan Yuhei Kusui | Slovakia Peter Hudak | Japan | United States | Czech Republic |
| 19 | 2006 | Lucca | Italy | Czech Republic Jana Tylova | United States Thomas Snyder | United States Wei-Hwa Huang | - | - | - |

Question: Who is the most successful team in the World Sudoku Championship? 
Answer: Japan is the most successful team, having won the World Sudoku Championship title in 2007, 2012, 2014, 2015 and 2018; Czech Republic (2008, 2016), Germany (2010 and 2011) and China (2013, 2017) have won twice; Slovakia (2009) also won a title.