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Each event consists of three phases. In Phase 1, twelve players of each event compete in a Round-Robin format and the winners qualify to the World Championships. In Phase 2, an additional player will replace the qualified player. The players would then be divided into 3 groups of 4 players. Each group plays in single-elimination format. In Phase 3, three group winners of Phase 2 compete in a Round-Robin format and the winner qualifies to the World Championships.