Event: Calderdale League 2024-25

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Opponent Rating Result
Richard Porter 1858 0 - 1
Gordon Farrar 1790 0 - 1
Leo A Keely 1942 1 - 0
David Barlow 2006 1 - 0
Phil Cook 2099 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1939 = (9695 + 400 * (2 - 2)) / 5)

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