2025
China
Problems1 problem
- 1All problemsProblem
CPhO Problems and Solutions
The final round of the Chinese national olympiad, from which the IPhO team is chosen. English translations are community-made.
2024
China
2023
China
2022
China
2021
China
2020
China
2019
China
2018
China
2017
China
2016
China
2015
China
2014
China
2013
China
2012
China
Problems1 problem
- 1All problemsProblem
2011
China
2010
China
Problems1 problem
- 1All problemsProblem
2009
China
Problems1 problem
- 1All problemsProblem
2008
China
Problems1 problem
- 1All problemsProblem
2007
China
Problems1 problem
- 1All problemsProblem
2006
China
Problems1 problem
- 1All problemsProblem
2005
China
Problems1 problem
- 1All problemsProblem
2004
China
Problems1 problem
- 1All problemsProblem
2003
China
Problems1 problem
- 1All problemsProblem