Event: Holly & the Ivy Chess League

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Opponent Rating Result
David A Patrick 1881 ½ - ½
Alec Ward 205 1 - 0
Alec Ward 205 1 - 0
David A Patrick 1830 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1130 = (4121 + 400 * (2 - 1)) / 4)

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