Event: Division 4 - Athenaeum Cup

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Opponent Rating Result
Steve Moon 100 0 - 1
Arnold Van der Hulst 0 1 - 0
Eric McKenna 104 ½ - ½
Mick Wombell 0 ½ - ½
Glenn Marvin 108 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

142 = (312 + 400 * (2 - 1)) / 5)

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