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 |
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 $\sigma=1.03$
