Library /China-TST-2025A

China-TST-2025A

10 problems here, rated 8.2 to 9.2 on our scale (Shortlist to IMO level). 10 of them ask for a proof.

Algebra 3Combinatorics 1Geometry 4Number theory 2

#	Topic	Diff	Type	Year
1	Number theory	8.2	proof	—	open
2	Geometry	8.4	proof	—	open
3	Algebra	8.4	proof	—	open
4	Geometry	8.5	proof	—	open
5	Algebra	8.5	proof	—	open
6	Number theory	8.8	proof	—	open
7	Geometry	8.9	proof	—	open
8	Geometry	9.0	proof	—	open
9	Algebra	9.0	proof	—	open
10	Combinatorics	9.2	proof	—	open

These are sorted by difficulty within the competition, but they aren't a course. The track is the route through, drawn from all the sources at once.