Event: Rapid

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Opponent Rating Result
David Wallis 0 1 - 0
David Wallis 0 1 - 0
Srikandha Shanmugam 0 1 - 0
David Bradley 0 1 - 0
Nicholas H Skinner 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

400 = (0 + 400 * (5 - 0)) / 5)

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