Report for APMO 2020
General information
- 38 participating countries
- 337 participating students
- Mean score $\mu=12.49$
- Standard deviation $\sigma=6.72$
- Gold cut-off $20$
- Silver cut-off $15$
- Bronze cut-off $11$
Country ranking
Click on a country name to see detailed results
| Rank |
Country |
Con.* |
Score |
Awards (G,S,B,HM) |
| 1 |
United States of America |
10 |
278 |
1, 2, 4, 3 |
| 2 |
Russia |
10 |
206 |
1, 2, 4, 3 |
| 3 |
Singapore |
10 |
203 |
1, 2, 4, 2 |
| 4 |
Islamic Republic of Iran |
10 |
192 |
1, 2, 4, 3 |
| 5 |
Australia |
10 |
185 |
1, 2, 4, 3 |
| 6 |
Canada |
10 |
180 |
1, 2, 4, 3 |
| 7 |
Thailand |
10 |
175 |
1, 2, 4, 3 |
| 8 |
India |
10 |
170 |
1, 2, 4, 3 |
| 9 |
Taiwan |
10 |
168 |
1, 2, 4, 3 |
| 10 |
Brazil |
10 |
166 |
1, 2, 4, 3 |
| 11 |
Mexico |
10 |
149 |
0, 3, 4, 3 |
| 12 |
Indonesia |
10 |
149 |
1, 1, 5, 3 |
| 13 |
Kazakhstan |
10 |
146 |
0, 3, 4, 3 |
| 14 |
Peru |
10 |
146 |
0, 3, 4, 3 |
| 15 |
Saudi Arabia |
10 |
133 |
0, 3, 4, 3 |
| 16 |
Bangladesh |
10 |
131 |
0, 2, 5, 3 |
| 17 |
New Zealand |
10 |
129 |
1, 2, 3, 3 |
| 18 |
Argentina |
10 |
123 |
1, 2, 2, 5 |
| 19 |
Tajikistan |
10 |
110 |
1, 0, 3, 6 |
| 20 |
Colombia |
10 |
105 |
1, 2, 2, 2 |
| 21 |
Syria |
10 |
101 |
0, 0, 5, 5 |
| 22 |
Morocco |
10 |
96 |
0, 1, 2, 7 |
| 23 |
Azerbaijan |
8 |
91 |
0, 1, 2, 5 |
| 24 |
Malaysia |
9 |
89 |
0, 2, 3, 1 |
| 25 |
Kyrgyzstan |
10 |
84 |
0, 0, 2, 8 |
| 26 |
Turkmenistan |
10 |
80 |
0, 0, 1, 9 |
| 27 |
El Salvador |
7 |
58 |
0, 0, 2, 4 |
| 28 |
Sri Lanka |
9 |
57 |
0, 0, 3, 2 |
| 29 |
Nicaragua |
10 |
50 |
0, 0, 1, 4 |
| 30 |
Macedonia |
8 |
46 |
0, 0, 1, 5 |
| 31 |
Pakistan |
10 |
43 |
0, 0, 0, 4 |
| 32 |
Ecuador |
10 |
41 |
0, 0, 1, 3 |
| 33 |
Panama |
4 |
36 |
0, 0, 2, 1 |
| 34 |
Uruguay |
5 |
34 |
0, 0, 1, 3 |
| 35 |
Bolivia |
4 |
25 |
0, 0, 0, 3 |
| 36 |
Trinidad and Tobago |
10 |
22 |
0, 0, 0, 2 |
| 37 |
Costa Rica |
2 |
9 |
0, 0, 0, 1 |
| 38 |
Cambodia |
1 |
2 |
0, 0, 0, 0 |
* Con. - Number of contestants
Awards
Show Gold Awards
Julián Máximo Cabrera (Argentina)
Tang Hadyn (Australia)
Pedro Gomes Cabral (Brazil)
Thomas Guo (Canada)
Martín Diaz (Colombia)
Ritam Nag (India)
Aaron Alvarado Kristanto Julistiono (Indonesia)
Ali Mirzaei Anari (Islamic Republic of Iran)
Ishan Nath (New Zealand)
Aleksei Lvov (Russia)
Yangyi, Aloysius Ng (Singapore)
Cheng-Hao Yang (Taiwan)
Vazirdzon Pirov (Tajikistan)
Natanon Therdpraisan (Thailand)
Brandon Wang (United States of America)
Show Silver Awards
Joaquín Inama (Argentina)
Matías Ezequiel Raimundez (Argentina)
Steinberg William (Australia)
Buritica Andres (Australia)
Abbas Mammadov (Azerbaijan)
Ahmed Ittihad Hasib (Bangladesh)
M Ahsan Al Mahir (Bangladesh)
Bernardo Peruzzo Trevizan (Brazil)
Enzo Pontes Saraiva De Moraes (Brazil)
Michael Li (Canada)
David Tang (Canada)
Santiago Rodriguez (Colombia)
Gregorio Salazar (Colombia)
Ojas Mittal (India)
Raghuram Sundararajan (India)
Stanve A Widjaja A Widjaja (Indonesia)
Alireza Haghi (Islamic Republic of Iran)
Seyyed Reza Hosseini Dowlatabadi (Islamic Republic of Iran)
Yaroslav Toporov (Kazakhstan)
Asylbek Olzhabayev (Kazakhstan)
Vladimir Smirnov (Kazakhstan)
Yeoh Zi Song (Malaysia)
Tan Li Xuan (Malaysia)
Pablo Alhui Valeriano Quiroz (Mexico)
Daniel Alejandro Ochoa Quintero (Mexico)
Ana Illanes Martínez De La Vega (Mexico)
Adam El Oirghi (Morocco)
Hamish Baguley (New Zealand)
Ethan Ng (New Zealand)
Angelo Fabrizio Torres Inga (Peru)
Mijail Leonel Gutierrez Bustamante (Peru)
Joaquin Ernesto Guerra Camana (Peru)
Georgii Zakharov (Russia)
Rozalina Mirgalimova (Russia)
Khalid Ajran (Saudi Arabia)
Marwan Alkhayat (Saudi Arabia)
Hamza Alshaikhi (Saudi Arabia)
Xu Chen Tan (Singapore)
Tse Yang, Lucas Boo (Singapore)
Cheng-Ying Chang (Taiwan)
Ynu-Mao Kao (Taiwan)
Paramuth Samuthrsindh (Thailand)
Pitchayut Saengrungkongka (Thailand)
Quanlin Chen (United States of America)
Tianze Jiang (United States of America)
Show Bronze Awards
Bruno Martín Ziger (Argentina)
Francesco Mozzatti (Argentina)
Ye (Yip) Fengshuo (Fredy) (Australia)
Xu Zijin (Aaron) (Australia)
He Grace (Australia)
Coy Liam (Australia)
Murad Aghazada (Azerbaijan)
Vugar Guliyev (Azerbaijan)
Md Fuad Al Alam (Bangladesh)
Md Maruf Hasan Rubab (Bangladesh)
Dewan Saadman Hasan (Bangladesh)
Soumitra Das (Bangladesh)
Raiyan Jamil (Bangladesh)
Pablo Andrade Carvalho Barros (Brazil)
Gustavo Neves Da Cruz (Brazil)
Rodrigo Salgado Domingos Porto (Brazil)
Luciano Rodrigues De Oliveira Junior (Brazil)
Edgar Wang (Canada)
Eric Shen (Canada)
Er Bei (Canada)
Zixiang Zhou (Canada)
Juan Esteban Reyes (Colombia)
Esteban Aparicio (Colombia)
Jiamao Yu (Ecuador)
Jaime Sebastián Punyed González (El Salvador)
José Manuel Cabrera Guardado (El Salvador)
Ishank Agrawal (India)
Rohan Goyal (India)
Soumil Aggarwal (India)
Aditya Khurmi (India)
Valentio Iverson (Indonesia)
Muhammad Faiq Fauzi (Indonesia)
Gabriela Erin Mariangel (Indonesia)
Ferdinand Halim Santoso (Indonesia)
Farrel Dwireswara Salim (Indonesia)
Aryan Zamani (Islamic Republic of Iran)
Kian Shamsaei (Islamic Republic of Iran)
Matin Yousefi (Islamic Republic of Iran)
Siavash Rahimi Shateranloo (Islamic Republic of Iran)
Miron Yurkevich (Kazakhstan)
Adilet Zauytkhan (Kazakhstan)
Alan Beremkulov (Kazakhstan)
Tamerlan Burambayev (Kazakhstan)
Myrzabek Belekov (Kyrgyzstan)
Erdan Apiev (Kyrgyzstan)
Luka Graskoski (Macedonia)
Tristan Chaang Tze Shen (Malaysia)
Wan Zhiyang (Malaysia)
Wong Jer Ren (Malaysia)
Omar Farid Astudillo Marbán (Mexico)
José Alejandro Reyes González (Mexico)
Karla Rebeca Munguía Romero (Mexico)
Crisanto Salazar Verástica (Mexico)
Ines Elbouzaidi Tiali (Morocco)
Abderrahmane Driouch (Morocco)
Rick Han (New Zealand)
James Xu (New Zealand)
Nathaniel Masfen-Yan (New Zealand)
Richard Antonio González Rugama (Nicaragua)
Luis Modes (Panama)
Leonardo Marciaga (Panama)
Mario Leopoldo Pariona Molocho (Peru)
Flor Isabel Luna Alama (Peru)
Carla Sofia Fermin Jimenez (Peru)
Juan Mathias Tazayco Pachas (Peru)
Nikita Kolesnikov (Russia)
Aleksei Zakirov (Russia)
Konstantin Miasnikov (Russia)
Vitalii Kurin (Russia)
Nawaf Alghamdi (Saudi Arabia)
Mohammed Al-Shehri (Saudi Arabia)
Salman Al-Mutrash (Saudi Arabia)
Muath Al-Ghamd (Saudi Arabia)
Wee Kean Tan (Singapore)
Wei Ming Lee (Singapore)
Choo Ray Low (Singapore)
Boon Han, Nathaniel Ang (Singapore)
Maneth Banula Perera (Sri Lanka)
Ghaura Abheendra Mahabaduge (Sri Lanka)
Nelushi Vithanachchi (Sri Lanka)
Abdulkarim Alsayed Ramadan (Syria)
Ali Backour (Syria)
Alaa Aldin Ahmad (Syria)
Majed Naser (Syria)
Alhussein Khalil (Syria)
Po-Hsiang Hsu (Taiwan)
Mu-Yi Hsu (Taiwan)
Te-Cheng Liu (Taiwan)
Shang-Yu Wu (Taiwan)
Djamshed Rustamov (Tajikistan)
Usmonali Pakhlavonov (Tajikistan)
Sino Khairidinov (Tajikistan)
Nithid Anchaleenukoon (Thailand)
Prompt Kerdphoksup (Thailand)
Mutiraj Laksanawisit (Thailand)
Sarunyu Thongjarast (Thailand)
Akmuhammet Akmyradov (Turkmenistan)
Hernán Puschiasis (Uruguay)
Thomas Guo (United States of America)
Kevin Cong (United States of America)
Maxim Li (United States of America)
Eric Gan (United States of America)
Show Honorable Mentions
Malén María Arias (Argentina)
Franco De Rico (Argentina)
Jean Paul Louys Sanzo (Argentina)
Franco Iotti (Argentina)
Martín Gabriel Lupin (Argentina)
Zhang Yang (Australia)
Wang Haibing (Australia)
Chi Jason (Australia)
Toghrul Abbasov (Azerbaijan)
Yusif Gasimov (Azerbaijan)
Aysun Bayramli (Azerbaijan)
Fidan Garayeva (Azerbaijan)
Zahra Bayramli (Azerbaijan)
Abdullah Al Rafi Mahmud (Bangladesh)
Tahmid Hameem Chowdhury (Bangladesh)
Atonu Roy Chowdhury (Bangladesh)
Peter Iber Carvajal Rodriguez (Bolivia)
Jaime Esteban Araujo Sáenz (Bolivia)
Carlos Andrés Pozo Vargas (Bolivia)
Guilherme Zeus Dantas E Moura (Brazil)
Gabriel Ribeiro Paiva (Brazil)
Francisco Moreira Machado Neto (Brazil)
Daniel Yang (Canada)
Jiangxu Wan (Canada)
Hyeonjik Son (Canada)
Cesar Castaño (Colombia)
Laura Rodriguez (Colombia)
José Javier Álvarez (Costa Rica)
Jhosue Infante (Ecuador)
Zhiron Wu (Ecuador)
Jahir Cajas (Ecuador)
Fernando Daniel Domínguez Castaneda (El Salvador)
José Miguel Carranza Escobar (El Salvador)
Andrés Agustín Martínez Girón (El Salvador)
Walter Carvilio Meza Amaya (El Salvador)
Tejas Mittal (India)
Suchir Kaustav (India)
Sahil Desai (India)
Jonathan Christian Nitisastro (Indonesia)
Nathaniel Lukas Christanto Lukas Christanto (Indonesia)
Billie Hartono (Indonesia)
Mohammad Moshtaghifar (Islamic Republic of Iran)
Alireza Rezaei Moghaddam (Islamic Republic of Iran)
Matin Yadollahi (Islamic Republic of Iran)
Alikhan Bekbolatov (Kazakhstan)
Ivan Ukolov (Kazakhstan)
Arslan Daminov (Kazakhstan)
Adilbek Abdirasulov (Kyrgyzstan)
Ilyaz Tileshbaev (Kyrgyzstan)
Tilek Askerbekov (Kyrgyzstan)
Temirlan Bakyzhanov (Kyrgyzstan)
Chyngyz Kumarbek Uulu (Kyrgyzstan)
Abdumalik Tursunov (Kyrgyzstan)
Syimyk Barchynbek Uulu (Kyrgyzstan)
Arabidin Atalov (Kyrgyzstan)
Martina Taneva (Macedonia)
David Stavrov (Macedonia)
Josif Trenchovski (Macedonia)
Blazhe Suklevski (Macedonia)
Damjan Davkov (Macedonia)
Ian George Taye Cheng Ean (Malaysia)
Tomás Francisco Cantú Rodríguez (Mexico)
Ana Paula Jiménez Díaz (Mexico)
Carlos Emilio Ramos Aguilar (Mexico)
Mohammed Lagmah (Morocco)
Mohammed Ayoub Mebtoul (Morocco)
Saber Fadli (Morocco)
Youssef Ramzi (Morocco)
Mohammed Amine Sidihida (Morocco)
Mohammed Salouani (Morocco)
Youssef Bouhtouch (Morocco)
Mackinley He (New Zealand)
Ning Chin (New Zealand)
Grace Chang (New Zealand)
Marcos Ulises Sánchez (Nicaragua)
Néstor Daniel González Trujillo (Nicaragua)
Isaac Dahir Rodríguez Gutiérrez (Nicaragua)
Carlos Alberto Solórzano García (Nicaragua)
Muhammad Abdullah (Pakistan)
Syed Muhammad Bin Asif (Pakistan)
Muhammad Ahmad Kaleem (Pakistan)
Hamza Nawaz Khan (Pakistan)
Temistocles Zeballos (Panama)
Dariam Jhade Caparachin Vilca (Peru)
Rolly Alejandro Mamani Cutipa (Peru)
Eduardo Josue Balbuena Velasquez (Peru)
Mariia Tkacheva (Russia)
Galiia Sharafetdinova (Russia)
Konstantin Kairov (Russia)
Thannaa Alhydary (Saudi Arabia)
Ahmed Al-Bahrani (Saudi Arabia)
Mohammad Aldubaisi (Saudi Arabia)
Li Xiong, Timothy Ho (Singapore)
Xinyi Shen (Singapore)
Mihiru Anushka Bandara (Sri Lanka)
Thidas Bandara Wanasinghe (Sri Lanka)
M. Fouad Almouine (Syria)
Muhamad Anas Kudsi (Syria)
Mohammad Lwais Al Shalan (Syria)
Mazen Mouzahem (Syria)
Nour Bishlawi (Syria)
Ping-Hung Lee (Taiwan)
Pai-Li Cheng (Taiwan)
Hung-Yu Chen (Taiwan)
Raufjon Dadabaev (Tajikistan)
Bezhan Gulov (Tajikistan)
Usmon Aliev (Tajikistan)
Abdurauf Khatamov (Tajikistan)
Furuzonfar Rakhmonov (Tajikistan)
Emomalijon Murodzoda (Tajikistan)
Gongphop Piyakamalanon (Thailand)
Phichet Phuangrot (Thailand)
Parapim Attahakul (Thailand)
Alex Adams (Trinidad and Tobago)
Rahul Gopeesingh (Trinidad and Tobago)
Muhammetmyrat Gochmyradov (Turkmenistan)
Nagym Tanrygulyyev (Turkmenistan)
Jumanazar Amanov (Turkmenistan)
Isa Artykov (Turkmenistan)
Dovlet Nurmyradov (Turkmenistan)
Ogulay Kakabayeva (Turkmenistan)
Jennet Zamanova (Turkmenistan)
Sohbet Maksadov (Turkmenistan)
Dovran Myradov (Turkmenistan)
Alejandro Seré (Uruguay)
Vladimir Silva (Uruguay)
Joaquín Sequeiros (Uruguay)
Edward Wan (United States of America)
Luke Robitaille (United States of America)
Jeffrey Kwan (United States of America)
Statistics by problem
Problem 1
- Mean score $\mu=6.12$
- Standard deviation $\sigma=2.20$
Problem 2
- Mean score $\mu=4.34$
- Standard deviation $\sigma=3.15$
Problem 3
- Mean score $\mu=1.20$
- Standard deviation $\sigma=2.02$
Problem 4
- Mean score $\mu=0.74$
- Standard deviation $\sigma=1.85$
Problem 5
- Mean score $\mu=0.08$
- Standard deviation $\sigma=0.55$
