Library /USA IMO TST

USA IMO TST

10 problems here, rated 7.9 to 9 on our scale (National Olympiad, round 2 to IMO level). 10 of them ask for a proof.

Algebra 2Combinatorics 3Geometry 4Number theory 1

#	Topic	Diff	Type	Year
1	Number theory	7.9	proof	—	open
2	Combinatorics	8.3	proof	—	open
3	Algebra	8.5	proof	—	open
4	Geometry	8.7	proof	—	open
5	Algebra	8.8	proof	—	open
6	Geometry	8.8	proof	—	open
7	Geometry	8.9	proof	—	open
8	Geometry	8.9	proof	—	open
9	Combinatorics	8.9	proof	—	open
10	Combinatorics	9.0	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.