Event: Welcome Back Rapidplay

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Opponent Rating Result
Mark Crane 851 1 - 0
Mihai Horia Zbircea 1836 0 - 1
T Giles Stanton 1496 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1261 = (4183 + 400 * (1 - 2)) / 3)

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