Event: Viking Bay Rapid

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Opponent Rating Result
Andy Flood 1572 0 - 1
Robert Cronin 1507 1 - 0
David Marsden 1395 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1625 = (4474 + 400 * (2 - 1)) / 3)

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