4.2 These "Starting Points" are re-calculated each time a new World Ranking is produced up to the moment a player reaches or passes the limit of 5 wins and 5 losses against already ranked players, then these "Starting Points" become final.
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http://ittf.com/ittf_ranking/pdfs/2013/2013_Basic_Principles.pdf
国际乒联的规定。排名需要同已有排名的球员比赛，胜五场和负五场后，才能有基础分。5 wins and 5 losses ，这里用的是 and ，而不是 or 。
