Event: Holmfirth Pod Chess League

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Opponent Rating Result
David A Patrick 159 ½ - ½
Leo A Keely 182 0 - 1
Alec Ward 205 1 - 0
Robert Mitchell 132 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

70 = (678 + 400 * (1 - 2)) / 4)

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