Event: Division 3

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Opponent Rating Result
Lee Savill 386 ½ - ½
Phil Ash 1684 0 - 1
James Dicker 1721 0 - 1
David Charters 1600 0 - 1
Nicholas P Driver 1750 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1268 = (7141 + 400 * (1 - 3)) / 5)

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