Event: Division 3

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Opponent Rating Result
Peter Larwood 1912 0 - 1
Peter Rankin 1621 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1767 = (3533 + 400 * (1 - 1)) / 2)

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Opponent Rating Result
David C Curtis 1606 1 - 0
Peter Finch 1474 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1940 = (3080 + 400 * (2 - 0)) / 2)