Event: Roger Goldsmith Div 2

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Opponent	Rating	Result
David Short	1690	1 - 0
Michael MJ Osborn	1585	1 - 0
Eugene Husband	1655	1 - 0

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

2043 = (4930 + 400 * (3 - 0)) / 3)