Asian Pacific Mathematics Olympiad

Report for APMO 2022


General information


  • 35 participating countries
  • 318 participating students
  • Mean score $\mu=14.16$
  • Standard deviation $\sigma=8.16$
  • Gold cut-off $23$
  • Silver cut-off $17$
  • Bronze cut-off $12$

Country ranking


Click on a country name to see detailed results

Rank Country # of Contestants Total Score Gold Awards Silver Awards Bronze Awards Honorable Mentions
1 Republic of Korea 10 310 1 2 4 3
2 United States of America 10 294 1 2 4 3
3 Taiwan 10 223 1 2 4 3
4 Japan 10 220 1 2 4 3
5 Thailand 10 206 1 2 4 3
6 India 10 205 1 2 4 3
7 Kazakhstan 10 198 0 3 4 3
8 Canada 10 197 1 2 4 3
9 Singapore 10 193 0 3 4 2
10 Australia 10 192 0 3 4 3
11 Hong Kong 10 190 1 2 4 1
12 Indonesia 10 164 0 3 4 3
13 Saudi Arabia 10 163 0 3 4 3
14 Mexico 10 154 0 3 4 3
15 Brazil 10 139 0 3 4 1
16 Argentina 10 131 0 3 4 3
17 Malaysia 10 130 0 2 4 3
18 Bangladesh 10 129 0 1 6 3
19 Philippines 10 117 0 1 4 4
20 Turkmenistan 10 117 0 1 4 5
21 Islamic Republic of Iran 8 114 0 3 2 3
22 Tajikistan 10 111 0 0 5 1
23 Morocco 10 76 0 0 1 3
24 New Zealand 10 76 0 0 1 6
25 Kyrgyzstan 10 71 0 0 2 4
26 Syria 10 61 0 1 0 3
27 Sri Lanka 8 56 0 0 3 2
28 Macedonia 6 54 0 1 1 2
29 El Salvador 5 47 1 0 1 1
30 Costa Rica 8 43 0 0 0 3
31 Colombia 10 42 0 0 1 2
32 Bolivia 7 33 0 0 1 1
33 Ecuador 10 31 0 0 0 2
34 Uruguay 1 8 0 0 0 1
35 Panama 5 7 0 0 0 1
Rank Country Con.* Score Awards (G,S,B,HM)
1 Republic of Korea 10 310 1, 2, 4, 3
2 United States of America 10 294 1, 2, 4, 3
3 Taiwan 10 223 1, 2, 4, 3
4 Japan 10 220 1, 2, 4, 3
5 Thailand 10 206 1, 2, 4, 3
6 India 10 205 1, 2, 4, 3
7 Kazakhstan 10 198 0, 3, 4, 3
8 Canada 10 197 1, 2, 4, 3
9 Singapore 10 193 0, 3, 4, 2
10 Australia 10 192 0, 3, 4, 3
11 Hong Kong 10 190 1, 2, 4, 1
12 Indonesia 10 164 0, 3, 4, 3
13 Saudi Arabia 10 163 0, 3, 4, 3
14 Mexico 10 154 0, 3, 4, 3
15 Brazil 10 139 0, 3, 4, 1
16 Argentina 10 131 0, 3, 4, 3
17 Malaysia 10 130 0, 2, 4, 3
18 Bangladesh 10 129 0, 1, 6, 3
19 Philippines 10 117 0, 1, 4, 4
20 Turkmenistan 10 117 0, 1, 4, 5
21 Islamic Republic of Iran 8 114 0, 3, 2, 3
22 Tajikistan 10 111 0, 0, 5, 1
23 Morocco 10 76 0, 0, 1, 3
24 New Zealand 10 76 0, 0, 1, 6
25 Kyrgyzstan 10 71 0, 0, 2, 4
26 Syria 10 61 0, 1, 0, 3
27 Sri Lanka 8 56 0, 0, 3, 2
28 Macedonia 6 54 0, 1, 1, 2
29 El Salvador 5 47 1, 0, 1, 1
30 Costa Rica 8 43 0, 0, 0, 3
31 Colombia 10 42 0, 0, 1, 2
32 Bolivia 7 33 0, 0, 1, 1
33 Ecuador 10 31 0, 0, 0, 2
34 Uruguay 1 8 0, 0, 0, 1
35 Panama 5 7 0, 0, 0, 1

* Con. - Number of contestants


Awards


Show Gold Awards Warren Bei (Canada)
Fernado Daniel Domínguez Castaneda (El Salvador)
Cheuk Hei Chu (Hong Kong)
Pranjal Srivastava (India)
Oki Yuya (Japan)
Gyudong Lee (Republic of Korea)
Chung-Chun Huang (Taiwan)
Worrawat Rungaramsin (Thailand)
Yichen Xiao (United States of America)
Show Silver Awards Bruno Martín Ziger (Argentina)
Federico Damián Mierez (Argentina)
Julián Máximo Cabrera (Argentina)
William Cheah (Australia)
Christopher Tran (Australia)
Liah (Zizhen) Wu (Australia)
S.M.A Nahian (Bangladesh)
Pedro De Oliveira Lengruber Lack (Brazil)
Vitor De Oliveira Da Silva (Brazil)
Rodrigo Salgado Domingos Porto (Brazil)
Kaixin Wang (Canada)
Andrew Wen (Canada)
Wai Lok Lai (Hong Kong)
Chong Ho Hsieh (Hong Kong)
Atul Nadig (India)
Ananya Ranade (India)
Evelyn Lianto (Indonesia)
Vanya Priscillia Bendatu (Indonesia)
Andrew Daniel Janong (Indonesia)
Ehsan Heidari (Islamic Republic of Iran)
Mohammad Parsa Jafar Nejadi (Islamic Republic of Iran)
Ali Nazar Boland (Islamic Republic of Iran)
Sannomiya Takumi (Japan)
Imoto Tasuku (Japan)
Raiymbek Baishuak (Kazakhstan)
Zhan Dautov (Kazakhstan)
Tamerlan Burambayev (Kazakhstan)
Aleksij Tasicj (Macedonia)
Jer Ren Wong (Malaysia)
Tze Shen Tristan Chaang (Malaysia)
Daniel Alejandro Ochoa Quintero (Mexico)
Leonardo Míkel Cervantes Mateos (Mexico)
Omar Farid Astudillo Marbán (Mexico)
Shawn Darren Chua (Philippines)
Junhwi Bae (Republic of Korea)
Daon Jung (Republic of Korea)
Alaithan Hadi (Saudi Arabia)
Aldubaisi Mohammed (Saudi Arabia)
Alkhayat Marwan (Saudi Arabia)
Hao Xiang Gabriel Goh (Singapore)
Hanzhang Yu (Singapore)
Yan Xi Peh (Singapore)
Mouhammad Ali Hourieh (Syria)
Po-Han Wu (Taiwan)
Rui-Ting Xiao (Taiwan)
Vasawat Rawangwong (Thailand)
Sirawit Pipittanaban (Thailand)
Emir Vellekov (Turkmenistan)
Andrew Gu (United States of America)
Serena Xu (United States of America)
Show Bronze Awards Nicolás Ricci (Argentina)
Joaquín Fernández (Argentina)
María De Los Milagros Elizalde (Argentina)
Iván Nicolás Flores (Argentina)
Jordan Chi (Australia)
Iris Xu (Australia)
Cloris Xu (Australia)
Michael (Zixiang) Jiang (Australia)
Ahil Islam Aurnob (Bangladesh)
Rayan Bintay Mostafa (Bangladesh)
Tahmid Hameem Chowdhury (Bangladesh)
Md. Fuad Al Alam (Bangladesh)
Adnan Sadik (Bangladesh)
Md. Ashraful Islam Fahim (Bangladesh)
Luis André Villán Gabriel (Bolivia)
Marco Aurelio Nogueira D'Emidio (Brazil)
Felipe Makoto Shimamura Silva (Brazil)
Matheus Alencar De Moraes (Brazil)
Leonardo Henrique Fakhreddine Maldonado (Brazil)
Zixiang Zhou (Canada)
Ming Yang (Canada)
Kevin Min (Canada)
James Yang (Canada)
Lorenzo Sarria (Colombia)
José Manuel Cabrera Guardado (El Salvador)
Ching Yan Yau (Hong Kong)
Nick Cheng (Hong Kong)
Yung Ho Kwan (Hong Kong)
Chun Hei Yiu (Hong Kong)
Mahavir Gandhi (India)
Adhitya Mangudy (India)
Vedant Saini (India)
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Denzel Elden Wijaya (Indonesia)
Rafael Kristoforus Yanto (Indonesia)
Ivan Hadinata (Indonesia)
Maulana Satya Adigama (Indonesia)
Soheil Kafashi Alam Dari (Islamic Republic of Iran)
Mani Gholam Pour Mofrad (Islamic Republic of Iran)
Tokita Yui (Japan)
Amagai Kento (Japan)
Togawa Taro (Japan)
Tanaka Natsuki (Japan)
Rakhim Baimurzin (Kazakhstan)
Fetullakh Sam (Kazakhstan)
Batyrkhan Sakenov (Kazakhstan)
Kozykorpesh Dyussenbayev (Kazakhstan)
Tilek Askerbekov (Kyrgyzstan)
Fedor Korniiash (Kyrgyzstan)
Nikola Spirovski (Macedonia)
Min Heng Tan (Malaysia)
Hua Zhi Vee (Malaysia)
Guan Yu Ivan Chan (Malaysia)
Hong Yee Chong (Malaysia)
Ana Illanes Martínez De La Vega (Mexico)
Diego Alfonso Villarreal Grimaldo (Mexico)
Eric Ransom Treviño (Mexico)
Rogelio Guerrero Reyes (Mexico)
Adam Kharraz (Morocco)
He Xu (New Zealand)
Raphael Dylan Dalida (Philippines)
Filbert Ephraim Wu (Philippines)
Rickson Caleb Tan (Philippines)
Mohammad Nur Casib (Philippines)
Woojin Choi (Republic of Korea)
Hyunwoo Choi (Republic of Korea)
Youngbeom Jin (Republic of Korea)
Yoonho Na (Republic of Korea)
Alghamdi Muath (Saudi Arabia)
Altaf Abdulelah (Saudi Arabia)
Alqatari Eyad (Saudi Arabia)
Hafiz Mohammed (Saudi Arabia)
Ziyu Xu (Singapore)
Mario Tanijaya (Singapore)
Xinyue Wu (Singapore)
Yaoqi Zhao (Singapore)
Tharaka Udayanga Jayasena (Sri Lanka)
Thidas Bandara Wanasinghe (Sri Lanka)
Mihiru Anushka Bandara (Sri Lanka)
Wei-Hsuan Hsin (Taiwan)
En-Hua Chiang (Taiwan)
Cheng-Han Li (Taiwan)
Po-Shen Chang (Taiwan)
Timur Usmonov (Tajikistan)
Raufjon Dadabaev (Tajikistan)
Doriush Khayridinov (Tajikistan)
Emomalijon Murodzoda (Tajikistan)
Azamat Dushanov (Tajikistan)
Tayakorn Suwanich (Thailand)
Archwath Pailee (Thailand)
Sarunyu Thongjarast (Thailand)
Wiphu Kitsamret (Thailand)
Jennet Zamanova (Turkmenistan)
Abdulla Abdullayev (Turkmenistan)
Selim Halykov (Turkmenistan)
Agabek Matyakubov (Turkmenistan)
Eric Shen (United States of America)
Luke Robitaille (United States of America)
Rowechen Zhong (United States of America)
David Dong (United States of America)
Show Honorable Mentions Emanuel Pablo Ruzak (Argentina)
Uriel Digestani (Argentina)
Federico Stephen Crovara Subía (Argentina)
Zian Shang (Australia)
Leonardo Wang (Australia)
Tony (Yuzheng) Wu (Australia)
Thamim Nur Zahin (Bangladesh)
Saniva Rakib Soha (Bangladesh)
Aritra Dash (Bangladesh)
Carlos Andrés Pozo Vargas (Bolivia)
Fabrícia Cardoso Marques (Brazil)
Evan Lu (Canada)
Marvin Mao (Canada)
Xuezhi Wang (Canada)
Alejandro Escorcia (Colombia)
Cristhian Torres (Colombia)
Alejandro Campos Rojas (Costa Rica)
Carlos Shum Apuy (Costa Rica)
Gabriel Najmias (Costa Rica)
Miguel Guzman (Ecuador)
Jahir Cajas (Ecuador)
Enrique Adonay Hernández Rafaelano (El Salvador)
Zijun Meng (Hong Kong)
Ishank Agrawal (India)
Vedant Swamy (India)
Shreyas Adiga (India)
Marco Louis Rudyanto (Indonesia)
Axel Giovanni Hartanto (Indonesia)
Sandy Kristian Waluyo (Indonesia)
Mohammad Ermia Ghaseri (Islamic Republic of Iran)
Ramtin Cheraghi Nia (Islamic Republic of Iran)
Soroush Momeni (Islamic Republic of Iran)
Katakabe Ryo (Japan)
Furuhashi Fumitaka (Japan)
Arai Shuto (Japan)
Nurdaulet Absattarov (Kazakhstan)
Miron Yurkevich (Kazakhstan)
Damir Nurlanov (Kazakhstan)
Eldar Iskanderov (Kyrgyzstan)
Nurtilek Duyshobaev (Kyrgyzstan)
Isken Kenzhebaev (Kyrgyzstan)
Azamat Medetbekov (Kyrgyzstan)
Stefanija Kuzmanovska (Macedonia)
Dea Despotovska (Macedonia)
Wei Jie Goh (Malaysia)
Qi En Samuel Koh (Malaysia)
Sze How Brandon Choo (Malaysia)
Carlos Fernando Amador Martínez Quintero (Mexico)
Luis Edardo Martínez Aguirre (Mexico)
María Fernanda López Tuyub (Mexico)
Mouad Enoua (Morocco)
Mehdi El Kihel (Morocco)
Ayman El Bahja (Morocco)
Bufan Zhao (New Zealand)
Yina Yin (New Zealand)
Eric Liang (New Zealand)
Brena Merz (New Zealand)
Belle Yin (New Zealand)
Grady Kenix (New Zealand)
Adrian David Frauca (Panama)
Cassidy Kyler Tan (Philippines)
Jerome Austin Te (Philippines)
Sarji Elijah Bona (Philippines)
Jose Maria Ii Bernardo (Philippines)
Yuchan Jung (Republic of Korea)
Chaejun Kim (Republic of Korea)
Seunhwan Lee (Republic of Korea)
Alqahtani Moaz (Saudi Arabia)
Albaik Mahdi (Saudi Arabia)
Nassief Abdulrahman (Saudi Arabia)
Wenhao Cheng (Singapore)
Jia Sin Jamie Lim (Singapore)
Luchitha Disal Pathirana (Sri Lanka)
Sandaru Thathsara Balahewa (Sri Lanka)
Samaan Afrim (Syria)
Marie Noelle Seif Asskar (Syria)
Mouaz Bahlawan (Syria)
Hsin-Jui Chen (Taiwan)
Tsung-Lin Wang (Taiwan)
Chih-Kai Liao (Taiwan)
Usmon Aliev (Tajikistan)
Sitta Tantikul (Thailand)
Nitiwit Sirimalaisuwan (Thailand)
Kornpholkrit Weraarchakul (Thailand)
Alihan Zhumabayev (Turkmenistan)
Bayram Abdullayev (Turkmenistan)
Gulovser Gylychmammedova (Turkmenistan)
Humay Amanova (Turkmenistan)
Yazmuhammet Gurbanmuhammedov (Turkmenistan)
Ram Goel (United States of America)
Daniel Yuan (United States of America)
Maximus Lu (United States of America)
Aragon Ayala Eduardo (Uruguay)

Statistics by problem


Problem 1

  • Mean score $\mu=4.87$
  • Standard deviation $\sigma=2.82$

Problem 2

  • Mean score $\mu=4.49$
  • Standard deviation $\sigma=3.20$

Problem 3

  • Mean score $\mu=3.31$
  • Standard deviation $\sigma=2.88$

Problem 4

  • Mean score $\mu=0.85$
  • Standard deviation $\sigma=1.94$

Problem 5

  • Mean score $\mu=0.64$
  • Standard deviation $\sigma=1.88$