Event: Division Three

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Opponent Rating Result
Mike J Hollier 135 0 - 1
Jonathan B Hunt 158 ½ - ½
Lawrence F Hayden 134 1 - 0
Phil Maddocks 134 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

140 = (561 + 400 * (1 - 1)) / 4)

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