Library /IMO Selection

IMO Selection

11 problems here, rated 7.7 to 8.9 on our scale (National Olympiad, round 2 to Shortlist). 11 of them ask for a proof.

Algebra 5Combinatorics 3Geometry 2Number theory 1

#	Topic	Diff	Type	Year
1	Algebra	7.7	proof	—	open
2	Number theory	7.9	proof	—	open
3	Geometry	8.1	proof	—	open
4	Combinatorics	8.1	proof	—	open
5	Combinatorics	8.2	proof	—	open
6	Geometry	8.5	proof	—	open
7	Algebra	8.6	proof	—	open
8	Algebra	8.7	proof	—	open
9	Algebra	8.8	proof	—	open
10	Algebra	8.9	proof	—	open
11	Combinatorics	8.9	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.