Event: HDCA Summer League Division 1

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Opponent Rating Result
James Hall 162 1 - 0
Peter T Perkins 120 ½ - ½
David P Thrun 162 ½ - ½
Colin W Field 162 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

152 = (606 + 400 * (1 - 1)) / 4)

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