Event: LCA Division 2

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Opponent	Rating	Result
Ben Ashcroft	475	1 - 0
Ben Mason	1801	0 - 1
Nick Sykes	1838	1 - 0

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

1505 = (4114 + 400 * (2 - 1)) / 3)