China TST

The China Team Selection Test (China TST) is the final stage used to determine the six students participating in the IMO from China. There can be 3 to 5 individual tests in the series.

China TST
Region: China
Type: Proof
Difficulty: 7-10
Difficulty Breakdown:

Problem 1/4: 7
Problem 2/5: 8.5
Problem 3/6: 10


Each test has six problems split over two days, with each day having 4.5 hours to solve 3 problems. The six students with the highest scores overall will be on China’s IMO team.