Event: 24th October - Internal Rapidplay

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Opponent Rating Result
Steve Holland 1435 0 - 1
Saanvi Dembla 1239 0 - 1
Kevin Barnett 0 0 - 1
Paul Keevil 1684 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

690 = (4358 + 400 * (0 - 4)) / 4)

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