Event: MH Brown Summer League Section 2

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Opponent	Rating	Result
David Stothard	1748	1 - 0
Paul A Allison	1698	0 - 1
Chris J Matthews	1776	0 - 1

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

1607 = (5222 + 400 * (1 - 2)) / 3)