Event: MH Brown Summer League Section 2

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Opponent	Rating	Result
Dan Malbon	1400	1 - 0
Ian Flanagan	1600	1 - 0
Robert Docwra	1651	½ - ½

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

1817 = (4651 + 400 * (2 - 0)) / 3)