The aim of the thesis was to develop a web portal for chess players, which is intended to be a place for quality chess joining over the Internet and chess education. This need is caused by existing social networks and websites for playing chess, which offer you a very small amount of quality chess joining and education. As a result of the work the chess portal was created. We have presented the development of the chess portal in the thesis, which has all the features the chess players are interested in: the social part, the chess part and the concept of visibility. The social part is designed for chess joining and includes profiles, groups, interconnection of users and the affiliation of users with groups. The chess part is designed for c...