Event: 2021-2022

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Opponent Rating Result
Richard Porter 1921 1 - 0
Gordon Farrar 1793 0 - 1
Richard Porter 1923 1 - 0
David A Patrick 1845 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1971 = (7482 + 400 * (2 - 1)) / 4)

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