Event: Division 1

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Opponent	Rating	Result
Jens Mueller	1961	1 - 0
Max Conley	1900	0 - 1
Robert G Rodie	0	0 - 1

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

1154 = (3861 + 400 * (1 - 2)) / 3)