Event: Division 4

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Opponent Rating Result
Colin R Ramage 1900 0 - 1
Anthony Foreman 1550 1 - 0
Christian Bortolini 0 ½ - ½
Hugo Bassa 1588 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1260 = (5038 + 400 * (1 - 1)) / 4)

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Opponent Rating Result
Hugo Bassa 1588 ½ - ½
Harry Gulliver 0 1 - 0
Christian Bortolini 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

663 = (1588 + 400 * (1 - 0)) / 3)