A school held the China Chess Competition in the form of single round robin (that is, only one game was played between two people), and the winner of each game got 2 points.

1. When there are three players, * * has three games, when there are four players, * * has six games, and when there are n players, * * has n(n- 1)/2 games. 2. Student B's score of 240 is correct. There are 16 contestants in this competition.

Chess is a traditional puzzle game in China, one of the 78 sports officially launched by China, and also one of the official events of the first World Intellectual Games, which is tied with chess and Go.

Chess is an antagonistic game between two people. Because of its strong interest, it has become a very popular chess activity, and was approved by the State Council to be included in the second batch of national intangible cultural heritage list.

20 19, 1 1 year 10, the general office of the Ministry of Culture and Tourism organized the inspection and adjustment of the national intangible cultural heritage representative project protection units, and the chess protection units were Beijing Chess Institute (Beijing Bridge Institute and Beijing Chess Sports Management Center).