Event: Division 4

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Opponent Rating Result
Jonathan Taylor 1554 1 - 0
David Wallis 1599 1 - 0
Zoe Pellatt 1677 ½ - ½
John Wright 1504 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1884 = (6334 + 400 * (3 - 0)) / 4)

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