Event: 30 Minute Rapid

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Opponent Rating Result
Tony Gill 0 1 - 0
Andrew T Watson 1429 0 - 1
Simon Green 0 ½ - ½
Tony Lee 1276 1 - 0
Paul Terry 1787 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

898 = (4492 + 400 * (2 - 2)) / 5)

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