Event: Summer League Section 2b

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Opponent	Rating	Result
Nick Whetton	1586	1 - 0
David J Gibson	1541	1 - 0
Dan Malbon	1350	1 - 0

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

1892 = (4477 + 400 * (3 - 0)) / 3)