Chinese Mathematical Olympiad

Chinese Mathematical Olympiad (CMO)

The Chinese Mathematical Olympiad (CMO, Chinese: 中国数学奥林匹克) is an annual mathematics competition for high school students in China, organized by the Chinese Mathematical Society. It features teams from each province of mainland China, along with guest teams from the special administrative regions of Hong Kong and Macau, as well as from Russia and Singapore. The event plays a key role in selecting the Chinese team for the International Mathematical Olympiad.

CMO

Region: China

Type: Proof

Difficulty: 5.5 - 10

Difficulty Breakdown: Problem 1/4: 6.5 Problem 2/5: 7.5-8 Problem 3/6: 9.5 Problem SL1-2: 5.5-7 Problem SL3-4: 7-8 Problem SL5+: 8-10

See Also

• Chinese MO Problems and Solutions
• International Mathematical Olympiad
• AoPS Wiki:Competition ratings

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