Library /China Western Mathematical Olympiad

China Western Mathematical Olympiad

54 problems here, rated 4.9 to 7.7 on our scale (AIME to National Olympiad, round 2). 54 of them ask for a proof.

Algebra 14Combinatorics 20Geometry 13Number theory 7

#	Topic	Diff	Type	Year
1	Number theory	4.9	proof	—	open
2	Algebra	4.9	proof	—	open
3	Algebra	5.0	proof	—	open
4	Combinatorics	5.1	proof	—	open
5	Algebra	5.1	proof	—	open
6	Geometry	5.2	proof	—	open
7	Algebra	5.2	proof	—	open
8	Geometry	5.2	proof	—	open
9	Algebra	5.2	proof	—	open
10	Combinatorics	5.3	proof	—	open
11	Algebra	5.3	proof	—	open
12	Geometry	5.4	proof	—	open
13	Geometry	5.5	proof	—	open
14	Algebra	5.5	proof	—	open
15	Geometry	5.6	proof	—	open
16	Number theory	5.6	proof	—	open
17	Algebra	5.7	proof	—	open
18	Algebra	5.7	proof	—	open
19	Algebra	5.7	proof	—	open
20	Geometry	5.8	proof	—	open
21	Geometry	5.8	proof	—	open
22	Combinatorics	6.0	proof	—	open
23	Number theory	6.0	proof	—	open
24	Algebra	6.0	proof	—	open
25	Number theory	6.0	proof	—	open
26	Geometry	6.0	proof	—	open
27	Number theory	6.1	proof	—	open
28	Geometry	6.1	proof	—	open
29	Combinatorics	6.1	proof	—	open
30	Number theory	6.1	proof	2011	open
31	Algebra	6.1	proof	—	open
32	Combinatorics	6.1	proof	—	open
33	Combinatorics	6.2	proof	—	open
34	Combinatorics	6.2	proof	—	open
35	Combinatorics	6.2	proof	—	open
36	Algebra	6.3	proof	—	open
37	Number theory	6.3	proof	—	open
38	Combinatorics	6.4	proof	—	open
39	Combinatorics	6.4	proof	—	open
40	Geometry	6.5	proof	—	open
41	Geometry	6.6	proof	—	open
42	Geometry	6.8	proof	—	open
43	Combinatorics	6.8	proof	—	open
44	Combinatorics	6.8	proof	—	open
45	Combinatorics	6.9	proof	—	open
46	Geometry	7.1	proof	—	open
47	Combinatorics	7.1	proof	—	open
48	Combinatorics	7.2	proof	—	open
49	Combinatorics	7.4	proof	—	open
50	Combinatorics	7.5	proof	—	open
51	Combinatorics	7.5	proof	—	open
52	Combinatorics	7.5	proof	—	open
53	Combinatorics	7.7	proof	—	open
54	Algebra	7.7	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.