Event: Ribbands Rapidplay

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Opponent Rating Result
Benjamin Varea 1376 0 - 1
James Cole 2026 0 - 1
Simon Marsden 1447 0 - 1
John Nevin 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1012 = (4849 + 400 * (1 - 3)) / 4)

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