Event: Division 5

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Opponent Rating Result
Lukasz Michalek 110 0 - 1
Colin Abell 115 ½ - ½
David M Rose 109 ½ - ½
Julian Bulbeck 101 0 - 1
Anthony D Cooling 75 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

22 = (510 + 400 * (1 - 2)) / 5)

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Opponent Rating Result
Roger Coleman 79 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

479 = (79 + 400 * (1 - 0)) / 1)