Legal analysis: No, generally speaking, the organizer also participated in the competition, and provided corresponding services. However, the failure of the grade examination is due to its own reasons, and the organizer cannot be required to refund.

Legal basis: Civil Code of People's Republic of China (PRC).

Article 465 A lawfully formed contract shall be protected by law. A legally established contract is legally binding only on the parties, except as otherwise provided by law.

Article 472 An offer is an expression of intention to conclude a contract with another person and shall meet the following conditions:

Specific content;

(2) The offeror is bound by the expression of will by indicating that he has accepted the offer.