Event: LCA Division 2

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Opponent	Rating	Result
Per Andreasen	475	½ - ½
Gary Willson	475	1 - 0
Denis Georgiou	1870	½ - ½

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

1073 = (2820 + 400 * (1 - 0)) / 3)