Federação Paraibana de Xadrez (FPBX) is the official chess federation for the state of Paraíba, based in João Pessoa, Paraíba, Brazil. It coordinates organized chess across clubs, schools, and local communities statewide. Moreover, FPBX acts as a consistent tournament organizer for rated competition in the region.

In addition, FPBX supports official championships, league activity, and calendar events for players of different levels. It regularly promotes open chess tournament competitions and FIDE-rated tournament events under CBX recognition. Furthermore, many flagship weekends emphasize classical chess, while rapid and blitz events also appear in the annual schedule.

Furthermore, FPBX invests in school partnerships and statewide participation pathways for developing players. As a result, the federation helps expand junior chess and strengthen competitive standards across Paraíba.