Unofficial list of IOI 2020 participants
The list is updated daily (with ratings). Ratings are no longer updated.
If you want to report mistakes or add new participants — you can find all the details in this post.
Full list of contestants can be found here: http://stats.ioinformatics.org/contestants/2020.
| Name | Team | Previous participations | ||||
|---|---|---|---|---|---|---|
| Aleksandr Abelyan |  Armenia | IOI 2018 | ||||
| Arayi Khalatyan | Armenia | |||||
| Kostanyan Emil | Armenia | |||||
| Samvel Andreasyan | Armenia | |||||
| Tasmeem Reza |  Bangladesh |  IOI 2019 IOI 2018 IOI 2017IOI 2016 | ||||
| Rezwan Arefin | Bangladesh | IOI 2019 IOI 2018 | ||||
| Mamnoon Siam | Bangladesh | IOI 2019IOI 2018 | ||||
| Arman Ferdous | Bangladesh | IOI 2019 | ||||
| Sankin Pavel |  Belarus | |||||
| Andrei Daletski | Belarus | |||||
| Andrei Mishchanka | Belarus | |||||
| Yaraslau Barysau | Belarus | IOI 2019 | ||||
| Jérôme Mayolet |  Belgium | IOI 2019 | ||||
| Zhiyi Luo | Belgium | IOI 2019 | ||||
| Roger Danilo Enriquez Corrales |  Bolivia | IOI 2019IOI 2018 | ||||
| Nicolas Mateo Valdivia Viscarra | Bolivia | |||||
| Daner Zein Tonconi Mendoza | Bolivia | IOI 2019 | ||||
| Jose Alberto Copas Lima | Bolivia | |||||
| Carolina Moura |  Brazil | |||||
| Igor Brito | Brazil | |||||
| Willian Wang | Brazil | IOI 2019 | ||||
| Yan Matheus Tavares e Silva | Brazil | |||||
| Martin Kopchev |  Bulgaria | IOI 2019 IOI 2018 | ||||
| Andon Todorov | Bulgaria | |||||
| Georgi Petkov | Bulgaria | |||||
| Stoyan Malinin | Bulgaria | |||||
| Christopher Trevisan |  Canada | |||||
| George Chen | Canada | IOI 2019 | ||||
| Thomas Guo | Canada | |||||
| Zixiang Zhou | Canada |  IOI 2019 IOI 2018 | ||||
| Yuyang Zhou |  China | |||||
| Zhanpeng Wang | China | |||||
| Mingrun Jiang | China | |||||
| Yuxiang Luo | China | |||||
| Oscar Fabian Sierra |  Colombia | IOI 2019IOI 2018 | ||||
| Dorijan Lendvaj |  Croatia | IOI 2019 | ||||
| Krešimir Nežmah | Croatia | IOI 2019 | ||||
| Martin Josip Kocijan | Croatia | |||||
| Patrik Pavić | Croatia | IOI 2019 | ||||
| Alberto Leyva Guerra |  Cuba | |||||
| Ariel Gómez Gómez | Cuba | |||||
| Humberto Yusta Gómez | Cuba | |||||
| Manuel Darío Oliver Ballesteros | Cuba | |||||
| Christos Falas |  Cyprus | |||||
| Demetris Chrysostomou | Cyprus | |||||
| Alejandro Malla |  Dominican Republic | |||||
| Jair Santana | Dominican Republic | |||||
| Sebastian Dionicio | Dominican Republic | |||||
| Hazem Tarek |  Egypt | |||||
| Mohamed Bakry | Egypt | |||||
| Mohammed Ehab | Egypt | IOI 2019 IOI 2018 | ||||
| Osama Alkhodairy | Egypt | IOI 2019 | ||||
| Andres Alumets |  Estonia | IOI 2019IOI 2018 | ||||
| Jaagup Tamme | Estonia | IOI 2019 | ||||
| Marko Tsengov | Estonia | |||||
| Oliver Tennisberg | Estonia | |||||
| Henrik Aalto |  Finland | |||||
| Juho Röyskö | Finland | |||||
| Roope Salmi | Finland | IOI 2019IOI 2018IOI 2017 | ||||
| Unto Karila | Finland | |||||
| Rémy Kimbrough |  France | IOI 2019 | ||||
| Justin Cahuzac | France | |||||
| Grégoire Le Corre | France | |||||
| Sven Meyer | France | |||||
| Achi Basadzishvili |  Georgia | |||||
| Luka Mushkudiani | Georgia | |||||
| Nikoloz Birkadze | Georgia | IOI 2019 IOI 2018 IOI 2017 | ||||
| Teimuraz Toloraia | Georgia | IOI 2019 | ||||
| Hei Chit Cheng |  Hong Kong | |||||
| Ka Hei Wai | Hong Kong | IOI 2019 | ||||
| Leung Harris | Hong Kong | IOI 2019 IOI 2018 IOI 2017 | ||||
| Man Tsung Yeung | Hong Kong | IOI 2019 | ||||
| Balázs Tóth |  Hungary | IOI 2019 | ||||
| Péter Gyimesi | Hungary | |||||
| Nándor Nagy | Hungary | IOI 2019 | ||||
| Áron Noszály | Hungary | IOI 2019 IOI 2018 | ||||
| Kshitij Sodani |  India | |||||
| Udit Sanghi | India | |||||
| Shashwat Chandra | India | IOI 2019 | ||||
| Rajarshi Basu | India | IOI 2019 | ||||
| Dasco Gabriel |  Indonesia | |||||
| Edbert Geraldy Cangdinata | Indonesia | |||||
| Pikatan Arya Bramajati | Indonesia | |||||
| Rama Aryasuta Pangestu | Indonesia | |||||
| Abolfazl Soltani |  Iran | |||||
| Ali Safari | Iran | |||||
| Kasra Mazaheri | Iran | IOI 2019 | ||||
| Shayan Pardis | Iran | |||||
| Adam Kelly |  Ireland | |||||
| Harvey Brezina Conniffe | Ireland | |||||
| Oisin Davey | Ireland | |||||
| Suneet Mahajan | Ireland | |||||
| Almog Wald |  Israel | IOI 2019 | ||||
| Noam Licht | Israel | |||||
| Inbar Wald | Israel | |||||
| Daniel Agassi | Israel | |||||
| Alessandro Bortolin |  Italy | IOI 2019 | ||||
| Davide Bartoli | Italy | |||||
| Filippo Casarin | Italy | |||||
| Valerio Stancanelli | Italy | |||||
| Masataka Yoneda |  Japan | IOI 2019 IOI 2018 | ||||
| Hirotaka Yoneda | Japan | IOI 2018 | ||||
| Rintaro Matsuo | Japan | |||||
| Tomohito Hosii | Japan | |||||
| Wesam Naseer |  Jordan | |||||
| Khaleel Al-Adhami | Jordan | IOI 2019IOI 2018 | ||||
| Dit Bul Ban |  South Korea | |||||
| Eunsoo Choe | South Korea | |||||
| Junhyuk Song | South Korea | |||||
| Sungjae Im | South Korea | |||||
| Artur Aydarov |  Kyrgyzstan | |||||
| Islam Davletov | Kyrgyzstan | |||||
| Omurbek Dzhamalov | Kyrgyzstan | IOI 2019IOI 2018 | ||||
| Shabdan Batyrkulov | Kyrgyzstan | IOI 2019IOI 2018 | ||||
| Matīss Kristiņš |  Latvia | IOI 2019 | ||||
| Dzintars Klušs | Latvia | |||||
| Kārlis Šusters | Latvia | IOI 2019 | ||||
| Jegors Baļzins | Latvia | |||||
| Aldas Lenkšas |  Lithuania | |||||
| Dovydas Vadišius | Lithuania | |||||
| Modestas Gujis | Lithuania | |||||
| Rokas Urbonas | Lithuania | IOI 2018 | ||||
| Blagojche Pavleski |  North Macedonia | IOI 2019 | ||||
| Andrej Velichkovski | North Macedonia | IOI 2019 IOI 2018 | ||||
| Teo Kitanovski | North Macedonia | |||||
| Andrej Shekjerov | North Macedonia | IOI 2019 | ||||
| Mohamed Elkhatri |  Morocco | IOI 2019 | ||||
| Aymane Moutei | Morocco | |||||
| Nabil Boudra | Morocco | |||||
| Basil Hijaz |  Palestine | IOI 2019 | ||||
| Nicola Abusaad | Palestine | |||||
| Adam Górkiewicz |  Poland | |||||
| Michał Staniewski | Poland | |||||
| Mieszko Grodzicki | Poland | IOI 2019 | ||||
| Tomasz Nowak | Poland | |||||
| Pedro Dias |  Portugal | IOI 2019 | ||||
| Tudose Maria-Alexa |  Romania | |||||
| Luchianov Alexandru | Romania | |||||
| Udristoiu Alexandra Maria | Romania | |||||
| Rapeanu George | Romania | |||||
| Ildar Gainullin |  Russia | IOI 2019 | ||||
| Egor Lifar | Russia | IOI 2019 IOI 2018 IOI 2017 | ||||
| Semyon Savkin | Russia | |||||
| Andrey Efremov | Russia | |||||
| Fares Ibraheem Pasuni |  Saudi Arabia | IOI 2019 | ||||
| Mohammed Alrefaei | Saudi Arabia | IOI 2019 | ||||
| Mohammed Alsaad | Saudi Arabia | |||||
| Raya Abuljama | Saudi Arabia | |||||
| Ashley Aragorn Khoo |  Singapore | |||||
| Benson Lin Zhan Li | Singapore | IOI 2019 | ||||
| Daniel Choo Zhenghao | Singapore | IOI 2019 | ||||
| Lim Rui Yuan | Singapore | |||||
| Shen Xing Yang | Singapore | |||||
| Tan Jean Ren, Adriel | Singapore | |||||
| Tan Si Jie | Singapore | |||||
| Toh Jing En Daniel | Singapore | |||||
| Aaron Naidu |  South Africa | |||||
| Adri Wessels | South Africa | |||||
| Andi Qu | South Africa | IOI 2019 | ||||
| Taariq Mowzer | South Africa | IOI 2019IOI 2018 | ||||
| Joël Huber |  Switzerland | IOI 2019 | ||||
| Abdulrahman Ahdali |  Syria | |||||
| Ahmad Haidar | Syria | IOI 2019 IOI 2018 | ||||
| Nour Massri | Syria | IOI 2019 | ||||
| Saleh Rabea | Syria | |||||
| LIN,PING-HSUAN |  Taiwan | |||||
| YANG,CHENG-HAO | Taiwan | |||||
| CHEN,GUAN-CHEN | Taiwan | |||||
| TSAO,CHEN-JUI | Taiwan | |||||
| Nodir Bobiev |  Tajikistan | IOI 2019 | ||||
| Pontakorn Prasertsuk |  Thailand | |||||
| Krittitee Ratchanan | Thailand | |||||
| Elyes Chaabouni |  Tunisia | |||||
| Hedi Ben Daoud | Tunisia | |||||
| Omar Besbes | Tunisia | IOI 2019IOI 2018 | ||||
| Youssef Boughizane | Tunisia | |||||
| Ahmet Atilla Ak |  Turkey | |||||
| Furkan Cebe | Turkey | |||||
| Atakan Yaşar | Turkey | |||||
| Ege Kabasakaloğlu | Turkey | |||||
| Suleyman Atayev |  Turkmenistan | IOI 2019 | ||||
| Gurbanberdi Gulladyyev | Turkmenistan | IOI 2019 | ||||
| Dovran Akmyradov | Turkmenistan | |||||
| Muhammetali Ashyrmuhammedov | Turkmenistan | |||||
| Andrii Kovryhin |  Ukraine | |||||
| Oleh Naver | Ukraine | |||||
| Sofiia Melnyk | Ukraine | IOI 2019 IOI 2018 | ||||
| Vladyslav Zavodnyk | Ukraine | |||||
| Euan Ong |  United Kingdom | IOI 2019 | ||||
| Danny Mittal |  United States | |||||
| Walden Yan | United States | |||||
| William Lin | United States | IOI 2019 | ||||
| Xinyang Chen | United States | |||||
| Duc Bui Hong |  Viet Nam | IOI 2019 | ||||
| Huy Le Quang | Viet Nam | |||||
| Kien Vu Hoang | Viet Nam | IOI 2019 | ||||
| Thanh Tran Quang | Viet Nam |