Event: Club Championship

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Opponent Rating Result
Keith May 1104 1 - 0
Paul Terry 1785 0 - 1
Tony Lee 1251 1 - 0
Andrew T Watson 1505 0 - 1
Tony Gill 1334 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1476 = (6979 + 400 * (3 - 2)) / 5)

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