Asian Pacific Mathematics Olympiad

Report for APMO 2023


General information


  • 38 participating countries
  • 345 participating students
  • Mean score $\mu=11.46$
  • Standard deviation $\sigma=9.22$
  • Gold cut-off $21$
  • Silver cut-off $15$
  • Bronze cut-off $9$

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 United States of America 10 307 1 2 4 3
2 Republic of Korea 10 291 1 2 4 3
3 Canada 10 226 1 2 4 3
4 Taiwan 10 217 1 2 4 3
5 Japan 10 211 1 2 4 3
6 India 10 206 1 2 4 3
7 Singapore 10 202 1 2 4 3
8 Australia 10 192 1 2 4 2
9 Hong Kong 10 172 1 2 4 3
10 Thailand 10 159 0 3 4 3
11 Brazil 10 157 0 3 4 3
12 Kazakhstan 10 150 1 2 4 3
13 Bulgaria 10 143 1 2 4 1
14 Argentina 10 135 1 2 4 3
15 Malaysia 10 128 1 1 4 1
16 Philippines 10 122 1 2 3 1
17 Mexico 10 105 1 1 1 3
18 Peru 10 103 1 0 2 2
19 Saudi Arabia 10 91 0 1 5 0
20 Azerbaijan 10 70 0 2 1 1
21 Uzbekistan 10 64 0 0 2 1
22 New Zealand 10 56 0 0 3 2
23 Bangladesh 10 55 0 1 0 1
24 Turkmenistan 10 52 0 0 1 3
25 Tajikistan 10 48 0 0 0 4
26 Syria 10 48 0 0 0 4
27 Colombia 10 39 0 1 0 0
28 Macedonia 5 35 1 0 0 1
29 El Salvador 8 33 1 0 0 0
30 Kyrgyzstan 10 29 0 0 0 1
31 Sri Lanka 10 28 0 0 0 0
32 Morocco 10 24 0 0 0 1
33 Ecuador 10 21 0 0 0 0
34 Uruguay 3 13 0 0 0 1
35 Costa Rica 10 11 0 0 0 0
36 Nicaragua 5 4 0 0 0 0
37 Bolivia 2 4 0 0 0 0
38 Panama 2 3 0 0 0 0
Rank Country Con.* Score Awards (G,S,B,HM)
1 United States of America 10 307 1, 2, 4, 3
2 Republic of Korea 10 291 1, 2, 4, 3
3 Canada 10 226 1, 2, 4, 3
4 Taiwan 10 217 1, 2, 4, 3
5 Japan 10 211 1, 2, 4, 3
6 India 10 206 1, 2, 4, 3
7 Singapore 10 202 1, 2, 4, 3
8 Australia 10 192 1, 2, 4, 2
9 Hong Kong 10 172 1, 2, 4, 3
10 Thailand 10 159 0, 3, 4, 3
11 Brazil 10 157 0, 3, 4, 3
12 Kazakhstan 10 150 1, 2, 4, 3
13 Bulgaria 10 143 1, 2, 4, 1
14 Argentina 10 135 1, 2, 4, 3
15 Malaysia 10 128 1, 1, 4, 1
16 Philippines 10 122 1, 2, 3, 1
17 Mexico 10 105 1, 1, 1, 3
18 Peru 10 103 1, 0, 2, 2
19 Saudi Arabia 10 91 0, 1, 5, 0
20 Azerbaijan 10 70 0, 2, 1, 1
21 Uzbekistan 10 64 0, 0, 2, 1
22 New Zealand 10 56 0, 0, 3, 2
23 Bangladesh 10 55 0, 1, 0, 1
24 Turkmenistan 10 52 0, 0, 1, 3
25 Tajikistan 10 48 0, 0, 0, 4
26 Syria 10 48 0, 0, 0, 4
27 Colombia 10 39 0, 1, 0, 0
28 Macedonia 5 35 1, 0, 0, 1
29 El Salvador 8 33 1, 0, 0, 0
30 Kyrgyzstan 10 29 0, 0, 0, 1
31 Sri Lanka 10 28 0, 0, 0, 0
32 Morocco 10 24 0, 0, 0, 1
33 Ecuador 10 21 0, 0, 0, 0
34 Uruguay 3 13 0, 0, 0, 1
35 Costa Rica 10 11 0, 0, 0, 0
36 Nicaragua 5 4 0, 0, 0, 0
37 Bolivia 2 4 0, 0, 0, 0
38 Panama 2 3 0, 0, 0, 0

* Con. - Number of contestants


Awards


Show Gold Awards Julián Máximo Cabrera (Argentina)
Zian Shang (Australia)
Marin Hristov (Bulgaria)
Warren Bei (Canada)
Fernando Daniel Domínguez Castaneda (El Salvador)
Cheuk Hei Chu (Hong Kong)
Atul Shatavart Nadig (India)
Kitamura Ryunosuke (Japan)
Raiymbek Baishuak (Kazakhstan)
Aleksij Tasikj (Macedonia)
Wong Jer Ren (Malaysia)
Omar Farid Astudillo Marbán (Mexico)
Sebastian Enrick Lozada Galvez (Peru)
Jerome Austin Te (Philippines)
Gyudong Lee (Republic of Korea)
Drew Michael Terren Ramirez (Singapore)
Bo-Cheng Huang (Taiwan)
Alan Bu (United States of America)
Show Silver Awards Bruno Martín Ziger (Argentina)
Felipe Bautista Klir (Argentina)
Cloris Xu (Australia)
Christopher Wei Han Tran (Australia)
Anar Mehdiyev (Azerbaijan)
Jalil Huseynov (Azerbaijan)
Sma Nahian (Bangladesh)
Rodrigo Salgado Domingos Porto (Brazil)
Matheus Alencar De Moraes (Brazil)
Caio Harley Constancio Neves (Brazil)
Ivan Tagarev (Bulgaria)
Maria Drencheva (Bulgaria)
Ming Yang (Canada)
Dhruv Basu (Canada)
Sarria Lorenzo (Colombia)
Lincoln Liu (Hong Kong)
Chong Ho Hsieh (Hong Kong)
Arjun Gupta (India)
Adhitya Venkata Ganesh Mangudy (India)
Kano Satoshi (Japan)
Tashiro Hiroki (Japan)
Miron Yurkevich (Kazakhstan)
Zhan Dautov (Kazakhstan)
Loh Kwong Weng (Malaysia)
Rogelio Guerrero Reyes (Mexico)
Raphael Dylan Dalida (Philippines)
Mohammad Nur Casib (Philippines)
Hyunwoo Choi (Republic of Korea)
Youngbeom Jin (Republic of Korea)
Hadi Alaithan (Saudi Arabia)
Hao Xiang, Gabriel Goh (Singapore)
Keyn-Hantz, Edden Chew (Singapore)
En-Hua Chiang (Taiwan)
Yu-An Cho (Taiwan)
Patanasang Pinijpichitkul (Thailand)
Sitta Tantikul (Thailand)
Thammarak Korsakulthum (Thailand)
Linus Tang (United States of America)
Jeff Lin (United States of America)
Show Bronze Awards Martín Gabriel Lupin (Argentina)
Nicolás Ricci (Argentina)
Uriel Matías Jolodovsky (Argentina)
Federico Stephen Crovara Subia (Argentina)
William Cheah (Australia)
Iris Xu (Australia)
Joseph Zhu (Australia)
Sizhe Pan (Australia)
Fidan Garayeva (Azerbaijan)
Luís Felipe Pestana Giglio (Brazil)
Leonardo Henrique Fakhreddine Maldonado (Brazil)
Levi Magalhães Pereira Castello Branco (Brazil)
Vitor De Oliveira Da Silva (Brazil)
Milen Shumanov (Bulgaria)
Vesselin Markovich (Bulgaria)
Jasen Penchev (Bulgaria)
Ilia Vassilev (Bulgaria)
Evan Lu (Canada)
Cordelia Hu (Canada)
Xuezhi Wang (Canada)
Jason Zhang (Canada)
Chun Hei Yiu (Hong Kong)
Hok Lai Ng (Hong Kong)
Sebastian Chase (Hong Kong)
Yung Ho Kwan (Hong Kong)
nan
Siddharth Choppara (India)
Ananda Bhaduri (India)
Kanav Talwar (India)
Wakasugi Naoto (Japan)
Koide Keisuke (Japan)
Hamakawa Shinjiro (Japan)
Kimu Shiu (Japan)
Damir Nurlanov (Kazakhstan)
Amirlan Amanzholov (Kazakhstan)
Amir Sakhipov (Kazakhstan)
Vladimir Rogovskiy (Kazakhstan)
Ivan Chan Guan Yu (Malaysia)
Bryan Lee Shi Yang (Malaysia)
Tan Min Heng (Malaysia)
Boon Qing Hong (Malaysia)
Víctor Manuel Bernal Ramírez (Mexico)
Boning Dai (New Zealand)
Eric Liang (New Zealand)
Bufan Zhao (New Zealand)
Juan Mathius Tasayco Pachas (Peru)
Angelo Dsteffano Farfan Ore (Peru)
Filbert Ephraim Wu (Philippines)
Alvann Walter Paredes Dy (Philippines)
Jonathan Anacan (Philippines)
Woojin Choi (Republic of Korea)
Sejin Park (Republic of Korea)
Hyunjun Jang (Republic of Korea)
Soul Lee (Republic of Korea)
Mahdi Albik (Saudi Arabia)
Ali Alramdan (Saudi Arabia)
Eyad Alqatari (Saudi Arabia)
Muath Alqahtani (Saudi Arabia)
Mohammed Hafez (Saudi Arabia)
Jiayu Wang (Singapore)
Qinxi Yu (Singapore)
Wenhao Cheng (Singapore)
Yaoqi Zhao (Singapore)
Cheng-Han Li (Taiwan)
Po-Shen Chang (Taiwan)
Chi-An Chang (Taiwan)
Hong-Ruei Jhang (Taiwan)
Tayakorn Suwanich (Thailand)
Atigunt Hualcharoenthon (Thailand)
Worrawat Rungaramsin (Thailand)
Krittitee Naulkhao (Thailand)
Selim Halykov (Turkmenistan)
Derek Liu (United States of America)
Maximus Lu (United States of America)
Jessica Wan (United States of America)
Kevin Wu (United States of America)
Madina Suyunova (Uzbekistan)
Anvarbek Raxmatov (Uzbekistan)
Show Honorable Mentions Facundo Aram Kechichian (Argentina)
Gerardo Agustín Mamani (Argentina)
Matías Álvarez Oviedo (Argentina)
Jayden Pan (Australia)
Juan Lucas Callo (Australia)
Fidan Jafarli (Azerbaijan)
Saniva Rakib Soha (Bangladesh)
João Guilherme Costa Viana (Brazil)
Marco Aurelio Nogueira D'Emidio (Brazil)
Pedro Duarte Borges (Brazil)
Iliyas Noman (Bulgaria)
Kaixin Wang (Canada)
Marvin Mao (Canada)
Haozhe Yang (Canada)
Kin Fung Nicholas Ko (Hong Kong)
Tsz Sing Jason Chong (Hong Kong)
Zi Jie Xu (Hong Kong)
Sahid Islam (India)
Kshitij Sodani (India)
Arrol Sebastian Noronha (India)
Hayashi Yasuo (Japan)
Miyahara Naohiro (Japan)
Nagao Aya (Japan)
Matvey Avdeyev (Kazakhstan)
Mukhammed Nagashbek (Kazakhstan)
Alexander Mikhailenko (Kazakhstan)
Eldar Iskanderov (Kyrgyzstan)
Mihaela Smilevska (Macedonia)
Choy Chong Hong (Malaysia)
Eric Ransom Treviño (Mexico)
Juan Alfonso Mathías Pérez Mondragón (Mexico)
Mateo Iván Latapi Acosta (Mexico)
Ayman Riad Solh (Morocco)
Dawn Chen (New Zealand)
Haotian Wang (New Zealand)
Renato Gaitan Garcia (Peru)
David Summer Rivera Lopez (Peru)
Rickson Caleb Tan (Philippines)
Kyungjun Park (Republic of Korea)
Hyeongjoe Chu (Republic of Korea)
Yuchan Jung (Republic of Korea)
Yan Xi Peh (Singapore)
Wern Jieh, Ryan Wong (Singapore)
Mario Tanijaya (Singapore)
Toufiq Alshiekh Houd (Syria)
Haydar Qassem (Syria)
Mouhammad Ali Hourieh (Syria)
Modar Kaddar (Syria)
Cheng-Hsi Yang (Taiwan)
I-Chan Chang (Taiwan)
You-Jie Yang (Taiwan)
Azamat Dushanov (Tajikistan)
Olimjon Tukhtarov (Tajikistan)
Anisa Burieva (Tajikistan)
Timur Usmonov (Tajikistan)
Nitiwit Sirimalaisuwan (Thailand)
Tanupat Trakulthongchai (Thailand)
Siraphop Khawplad (Thailand)
Shukur Gurbangeldiyev (Turkmenistan)
Babanazar Jumadurdyyev (Turkmenistan)
Arman Ahmetov (Turkmenistan)
Alex Zhao (United States of America)
Anthony Wang (United States of America)
Jeffrey Chen (United States of America)
Mauro Akerman (Uruguay)
Kamron Erkinboyev (Uzbekistan)

Statistics by problem


Problem 1

  • Mean score $\mu=3.71$
  • Standard deviation $\sigma=2.96$

Problem 2

  • Mean score $\mu=3.47$
  • Standard deviation $\sigma=3.22$

Problem 3

  • Mean score $\mu=2.36$
  • Standard deviation $\sigma=2.94$

Problem 4

  • Mean score $\mu=1.62$
  • Standard deviation $\sigma=2.64$

Problem 5

  • Mean score $\mu=0.31$
  • Standard deviation $\sigma=1.03$