Library /Cesenatico

Cesenatico

31 problems here, rated 4.7 to 7.6 on our scale (AIME to National Olympiad, round 2). 31 of them ask for a proof.

Algebra 3Combinatorics 9Geometry 9Number theory 10

#	Topic	Diff	Type	Year
1	Geometry	4.7	proof	—	open
2	Geometry	4.9	proof	—	open
3	Number theory	5.0	proof	—	open
4	Number theory	5.5	proof	—	open
5	Number theory	5.5	proof	—	open
6	Number theory	5.7	proof	—	open
7	Algebra	6.1	proof	—	open
8	Geometry	6.1	proof	—	open
9	Number theory	6.2	proof	—	open
10	Combinatorics	6.2	proof	—	open
11	Number theory	6.4	proof	—	open
12	Number theory	6.4	proof	—	open
13	Geometry	6.5	proof	—	open
14	Geometry	6.5	proof	—	open
15	Combinatorics	6.5	proof	—	open
16	Combinatorics	6.6	proof	—	open
17	Geometry	6.6	proof	—	open
18	Number theory	6.6	proof	—	open
19	Geometry	6.6	proof	—	open
20	Combinatorics	6.7	proof	—	open
21	Number theory	6.8	proof	—	open
22	Geometry	6.9	proof	—	open
23	Algebra	7.0	proof	—	open
24	Combinatorics	7.0	proof	—	open
25	Combinatorics	7.1	proof	—	open
26	Combinatorics	7.3	proof	—	open
27	Algebra	7.4	proof	—	open
28	Number theory	7.4	proof	—	open
29	Combinatorics	7.4	proof	—	open
30	Geometry	7.5	proof	—	open
31	Combinatorics	7.6	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.