Event: U100

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Opponent	Rating	Result
George Lyall	53	1 - 0
Malachy Fielding	29	1 - 0
Abishek Badhe	85	1 - 0

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

456 = (167 + 400 * (3 - 0)) / 3)