Event: IM Brown Shield

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Opponent	Rating	Result
Keith Darley	1363	0 - 1
Noah Helme	1536	0 - 1
Steve Harrington	1626	0 - 1

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

1108 = (4525 + 400 * (0 - 3)) / 3)