Event: Division 4

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Opponent Rating Result
Steven E Gerrard 1708 1 - 0
Tony Egerton 1553 1 - 0
Joe Ledgerton 1418 1 - 0
Derek Lloyd 1605 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1971 = (6284 + 400 * (4 - 0)) / 4)

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