Library /Cesko-Slovacko-Poljsko

Cesko-Slovacko-Poljsko

17 problems here, rated 4.5 to 7.9 on our scale (AIME to National Olympiad, round 2). 17 of them ask for a proof. Years covered: 2006–2013.

Algebra 6Combinatorics 2Geometry 6Number theory 3

#	Topic	Diff	Type	Year
1	Algebra	4.5	proof	2013	open
2	Number theory	4.6	proof	2013	open
3	Geometry	5.4	proof	2013	open
4	Algebra	5.9	proof	—	open
5	Geometry	6.0	proof	2013	open
6	Number theory	6.0	proof	2006	open
7	Algebra	6.2	proof	2013	open
8	Geometry	6.3	proof	—	open
9	Geometry	6.5	proof	2006	open
10	Geometry	6.5	proof	2006	open
11	Algebra	6.5	proof	2006	open
12	Number theory	6.9	proof	—	open
13	Algebra	6.9	proof	2006	open
14	Combinatorics	7.3	proof	2013	open
15	Geometry	7.4	proof	—	open
16	Algebra	7.4	proof	—	open
17	Combinatorics	7.9	proof	2006	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.