Event: Division 4

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Opponent	Rating	Result
Robbie Thornhill	1562	1 - 0
Samson Main	1728	½ - ½
Jack Knipe	1652	1 - 0

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

1914 = (4942 + 400 * (2 - 0)) / 3)