Event: Division 2

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Opponent Rating Result
Keith R Ingram 1818 0 - 1
Gordon SG Christie 1796 0 - 1
Bernard A Rogers 1766 0 - 1
David Riley 1632 0 - 1
Andrew Cottom 1753 1 - 0
Iain Brodie 1798 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1494 = (10563 + 400 * (1 - 5)) / 6)

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Opponent Rating Result
Penny A Wood 1448 1 - 0
Robert J Purcell 1722 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1985 = (3170 + 400 * (2 - 0)) / 2)