Event: Division 2

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Opponent	Rating	Result
Gordon G Sands	1570	1 - 0
Joseph Wilcox	1510	½ - ½
Keith Thomas	1825	1 - 0

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

1902 = (4905 + 400 * (2 - 0)) / 3)