Event: Summer League (Pool A)

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Opponent Rating Result
Charles Martin 0 ½ - ½
Tom A Cleverley 1472 0 - 1
Charles Martin 0 1 - 0
Tom A Cleverley 1472 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

636 = (2944 + 400 * (1 - 2)) / 4)

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