Event: MH Brown Summer League Section 2

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Opponent	Rating	Result
PE Hanson	1200	0 - 1
Raymond Martin	1170	0 - 1
Keith Mulholland	1100	0 - 1

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

757 = (3470 + 400 * (0 - 3)) / 3)