Event: Division 4A

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Opponent	Rating	Result
Freddie Pick	1851	0 - 1
Scott White	1586	1 - 0
Liam Wheen	1647	1 - 0

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

1828 = (5084 + 400 * (2 - 1)) / 3)