As long as it is approved by the industrial and commercial administration and the public security organs, it is not illegal to open a chess room. The key is that gamblers are not allowed, otherwise they will be punished and closed. For the purpose of making profits, provide conditions for gambling, or participate in gambling in a large amount, be detained for less than 5 days or fined for less than 500 yuan. If the circumstances are serious, they shall be detained for more than 10 and less than 15, and fined for more than 3,000 yuan in 500 yuan.

Article 5 of the Regulations on the Administration of Registration of Business Scope of Enterprises: To apply for a project business license, an application shall be submitted to the examination and approval authority in accordance with laws, administrative regulations and the State Council decisions. After approval, an application shall be submitted to the enterprise registration authority with the approval documents and certificates. If the examination and approval authority has restrictions on the operating period of the licensed project, the registration authority shall register the operating period, and the enterprise shall engage in business within the operating period approved by the examination and approval authority. To apply for general business projects, the applicant shall independently select one or more business categories with reference to the classification of national economic industries and relevant regulations, and apply for registration directly to the enterprise registration authority according to law.