Event: Div 4 - Athenaeum Cup

Opponent Rating Result
Robert Black 1574 0 - 1
Arthur Eastham 0 ½ - ½
Mark Kirkham 1483 ½ - ½
Jonathan Ferguson 1501 0 - 1
Tom R W Edwards 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

832 = (4558 + 400 * (1 - 2)) / 5)

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