Event: Division Four

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Opponent Rating Result
Dez Rudge 104 ½ - ½
Doreen Anderton 107 1 - 0
Adrian Hussain 121 0 - 1
John E Fryer 111 1 - 0
John Grant 134 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

115 = (577 + 400 * (2 - 2)) / 5)

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