Event: Richard Furness League

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Opponent Rating Result
Jacob Waterhouse 1400 1 - 0
Paul Doherty 1761 ½ - ½
Peter Hamill-Stewart 1558 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1706 = (4719 + 400 * (1 - 0)) / 3)

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