Event: Wallington Rapidplay

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Opponent	Rating	Result
Neill Cooper	1972	0 - 1
Zac Foreman	1137	1 - 0
Luke Glinton	1529	0 - 1

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

1413 = (4638 + 400 * (1 - 2)) / 3)