Event: 480 Max

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Opponent Rating Result
Arnold Peace 130 0 - 1
Lawrence F Hayden 141 0 - 1
Peter J Pearson Jones 141 1 - 0
Arnold Peace 130 1 - 0
Lawrence F Hayden 141 ½ - ½
Peter J Pearson Jones 141 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

71 = (824 + 400 * (2 - 3)) / 6)

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