Event: League Division 2

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Opponent Rating Result
performance = (sum(opponents ratings) + 400(wins-losses)) / games

0 = (0 + 400 * (0 - 0)) / 0)

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Opponent Rating Result
Howard Brears 1665 1 - 0
Chris Hare 0 ½ - ½
Steve Collins 1283 0 - 1
Neil Griffiths 1657 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1251 = (4605 + 400 * (2 - 1)) / 4)