Event: Division 3

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Opponent Rating Result
Peter Holdstock 1432 1 - 0
Graham Ewens 1750 ½ - ½
Anthony Stanton 1717 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1766 = (4899 + 400 * (1 - 0)) / 3)

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Opponent Rating Result
Guy Turvey 1496 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1096 = (1496 + 400 * (0 - 1)) / 1)