Event: HDCA Summer League Division 2

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Opponent Rating Result
Steve J Thrower 102 ½ - ½
David P Thrun 125 ½ - ½
Peter Morgan 125 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

251 = (352 + 400 * (1 - 0)) / 3)

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