Cost of living in Chomutov (Czech Republic) is 63% cheaper than in Zurich (Switzerland)
This comparison has some inconsistent or sparse data. It already provides a reliable comparison but it is not bullet-proof. It is based on 1,078 prices entered by 174 different people.
For example, to keep the same standard of living that would require CHF 9,900 in Zurich you would need to make just about CHF 3,619 (80,722 Kč) in Chomutov.