Event: Roger Goldsmith Div 1

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Opponent	Rating	Result
Daniel Finch	1470	1 - 0
Alan PH Norman	1663	0 - 1
James Pack	1884	1 - 0

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

1806 = (5017 + 400 * (2 - 1)) / 3)