Rule 1157 (Steve: Mutable) Experienced Players (Definition).
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A player shall be deemed to be an experienced player if and only if they
satisfy the following criteria:
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(i)   they are registered and recently active with respect to the game
      generally.
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(ii)  they have been registered as players for at least one calendar month.
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(iii) they have proposed at least 4 proposals, at least 3 of which have
      passed.
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seconded: Goethe
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