Event: IM Brown

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Opponent Rating Result
Jeff Dutton 0 ½ - ½
Simon Skinner 0 ½ - ½
Liam Kennedy 0 1 - 0
Paul RH Clarke 0 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

200 = (0 + 400 * (2 - 0)) / 4)

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