Event: Division 4 - Athenaeum Cup

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Opponent Rating Result
Joel Fair 109 1 - 0
Martin Wilkes 67 0 - 1
David Kershaw 0 0 - 1
Mark Anderson 86 0 - 1
Brian Redhead 92 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

-169 = (354 + 400 * (1 - 4)) / 5)

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