Event: MH Brown Summer League Section 2

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Opponent	Rating	Result
John Burton	1267	1 - 0
Andrew Reynolds	1288	1 - 0
Jonathan R Slater	1550	0 - 1

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

1502 = (4105 + 400 * (2 - 1)) / 3)