Need CHESS RATINGS at LOW COST?
Por um escritor misterioso
Descrição
CXR, a private chess rating authority, serving customers in several countries, offers low-cost ratings plus tonnes of additional performance data, charts, and dozens of metrics. Not only tournament games may be reported for ratings, but individual "club games" as well.
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por adulto (o preço varia de acordo com o tamanho do grupo)
