Event: Spring Swiss

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Opponent Rating Result
Abu Hasan 1334 1 - 0
Miroslaw Walkusz 2228 0 - 1
Jai Alexander Dhir 1030 1 - 0
Alastair G Johnstone 1647 1 - 0
Richard O'Neill 1622 0 - 1
Richard H Symonds 1973 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1772 = (9834 + 400 * (4 - 2)) / 6)

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