Event: Summer Max 560 Division

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Opponent Rating Result
Geoffrey C Wesson 118 0 - 1
Ken Mycock 128 0 - 1
Kim T Gilbert 121 1 - 0
Geoffrey C Wesson 118 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

21 = (485 + 400 * (1 - 2)) / 4)

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