Maths Olympiad Prep

Library /Auswahlwettbewerb Zur IMO

Auswahlwettbewerb Zur IMO

19 problems here, rated 7.4 to 9.1 on our scale (National Olympiad, round 2 to IMO level). 19 of them ask for a proof. Years covered: 2002–2005.

Algebra 3Combinatorics 4Geometry 7Number theory 5
#TopicDiffTypeYear
1 Number theory 7.4 proof 2002 open
2 Algebra 7.5 proof — open
3 Algebra 7.6 proof — open
4 Algebra 7.6 proof — open
5 Geometry 7.6 proof 2002 open
6 Number theory 7.7 proof 2002 open
7 Geometry 7.7 proof — open
8 Combinatorics 7.8 proof — open
9 Number theory 7.8 proof 2002 open
10 Number theory 7.9 proof 2005 open
11 Number theory 8.1 proof — open
12 Combinatorics 8.2 proof — open
13 Geometry 8.3 proof 2005 open
14 Geometry 8.3 proof — open
15 Geometry 8.5 proof — open
16 Geometry 8.6 proof — open
17 Geometry 8.7 proof 2002 open
18 Combinatorics 9.0 proof — open
19 Combinatorics 9.1 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.