Event: Calderdale League 2024-25

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Opponent Rating Result
Phil Cook 2089 0 - 1
John M Morgan 1938 ½ - ½
John Kerrane 1666 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1764 = (5693 + 400 * (0 - 1)) / 3)

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Opponent Rating Result
Leo A Keely 1935 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1935 = (1935 + 400 * (0 - 0)) / 1)

Opponent Rating Result
John Nicholson 103 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

503 = (103 + 400 * (1 - 0)) / 1)