Event: Division Two

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Opponent Rating Result
David M Cooper 1996 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1596 = (1996 + 400 * (0 - 1)) / 1)

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Opponent Rating Result
Andrew Perry 1757 0 - 1
Derek Ellesmore 1758 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1758 = (3515 + 400 * (1 - 1)) / 2)