Event: Division 3

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Opponent Rating Result
John Wright 1533 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1933 = (1533 + 400 * (1 - 0)) / 1)

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Opponent Rating Result
Chris N Hann 1573 0 - 1
Roger Waddingham 1498 1 - 0
Ian Goodyer 1614 1 - 0
Michael R Elgin 1462 1 - 0
J Chris Baldry 1274 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1724 = (7421 + 400 * (4 - 1)) / 5)