Event: Internal Rapidplay February

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Opponent Rating Result
Neil Sotheby 1235 1 - 0
Tim Hind 1302 0 - 1
Karam Alwakeel 1013 1 - 0
George Butterworth 1015 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1141 = (4565 + 400 * (2 - 2)) / 4)

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