Event: 30 Minute Rapid

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Opponent Rating Result
Tony Lee 1276 1 - 0
Alan Ward 0 1 - 0
Andrew T Watson 1429 1 - 0
Paul Rutter 1444 1 - 0
Robert J Arthurton 1471 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1524 = (5620 + 400 * (5 - 0)) / 5)

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