Library /Bulgarian Mathematical Olympiad

Bulgarian Mathematical Olympiad

58 problems here, rated 4.7 to 6.8 on our scale (AIME to National Olympiad). 58 of them ask for a proof.

Algebra 18Combinatorics 11Geometry 17Number theory 12

#	Topic	Diff	Type	Year
1	Geometry	4.7	proof	—	open
2	Algebra	4.9	proof	—	open
3	Combinatorics	5.1	proof	—	open
4	Algebra	5.1	proof	—	open
5	Geometry	5.1	proof	—	open
6	Algebra	5.2	proof	—	open
7	Geometry	5.2	proof	—	open
8	Geometry	5.3	proof	—	open
9	Geometry	5.3	proof	—	open
10	Geometry	5.3	proof	—	open
11	Algebra	5.3	proof	—	open
12	Number theory	5.3	proof	—	open
13	Algebra	5.3	proof	—	open
14	Number theory	5.4	proof	—	open
15	Combinatorics	5.5	proof	—	open
16	Algebra	5.6	proof	—	open
17	Algebra	5.6	proof	—	open
18	Combinatorics	5.7	proof	—	open
19	Algebra	5.7	proof	—	open
20	Algebra	5.7	proof	—	open
21	Geometry	5.8	proof	—	open
22	Geometry	5.8	proof	—	open
23	Combinatorics	5.9	proof	—	open
24	Number theory	5.9	proof	—	open
25	Geometry	5.9	proof	—	open
26	Number theory	6.1	proof	—	open
27	Algebra	6.1	proof	—	open
28	Algebra	6.1	proof	—	open
29	Geometry	6.1	proof	—	open
30	Algebra	6.1	proof	—	open
31	Geometry	6.1	proof	—	open
32	Algebra	6.1	proof	—	open
33	Number theory	6.1	proof	—	open
34	Combinatorics	6.1	proof	—	open
35	Number theory	6.1	proof	—	open
36	Algebra	6.1	proof	—	open
37	Geometry	6.1	proof	—	open
38	Combinatorics	6.2	proof	—	open
39	Algebra	6.2	proof	—	open
40	Number theory	6.2	proof	—	open
41	Geometry	6.2	proof	—	open
42	Number theory	6.3	proof	—	open
43	Geometry	6.3	proof	—	open
44	Combinatorics	6.3	proof	—	open
45	Algebra	6.3	proof	—	open
46	Number theory	6.3	proof	—	open
47	Combinatorics	6.3	proof	—	open
48	Number theory	6.4	proof	—	open
49	Number theory	6.4	proof	—	open
50	Algebra	6.4	proof	—	open
51	Combinatorics	6.5	proof	—	open
52	Geometry	6.5	proof	—	open
53	Combinatorics	6.6	proof	—	open
54	Number theory	6.6	proof	—	open
55	Algebra	6.8	proof	—	open
56	Combinatorics	6.8	proof	—	open
57	Geometry	6.8	proof	—	open
58	Geometry	6.8	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.