Event: Kenneth Appleby (U1700)

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Opponent Rating Result
Talvin Jacobs 0 0 - 1
Nigel Stansbie 0 0 - 1
David Halpin 1173 1 - 0
Neil Harris 871 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

311 = (2044 + 400 * (1 - 3)) / 4)

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