Development of the mobile application "Chess" for solving chess puzzles on the Android platform

The article is dedicated to the development of the mobile application "CHESS" for solving chess problems on the Android platform. The study examines the characteristics of the subject area, sets tasks for system development, and reviews existing analogs. The economic parameters of the development and implementation of the system are assessed, and the choice of development tools is justified. The implementation of the client part and the system database, measures to ensure information security, and the technology for working with the system are described. Graphical and tabular materials are presented for clarity and substantiation of the conclusions.