Event: Haslemere Trophy

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Opponent Rating Result
Phil D Richardson 0 1 - 0
Paul S Cooksey 2358 0 - 1
Phil D Richardson 0 1 - 0
Paul S Cooksey 2358 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1179 = (4716 + 400 * (2 - 2)) / 4)

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