Event: Division 1

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Opponent Rating Result
Russell G Granat 2223 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1823 = (2223 + 400 * (0 - 1)) / 1)

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Opponent Rating Result
John N Sugden 2074 ½ - ½
Chris W Heath 1825 1 - 0
Andrew Porter 0 ½ - ½
Michael J Reddie 1791 1 - 0
George Adams 1103 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1599 = (6793 + 400 * (3 - 0)) / 5)