Event: Division 4 - Athenaeum Cup

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Opponent Rating Result
Arkady English 104 1 - 0
Mark Kirkham 107 ½ - ½
Alan Story 99 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

103 = (310 + 400 * (1 - 1)) / 3)

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