Event: Calderdale 30 2024-25

Opponent Rating Result
Dave Colledge 1786 0 - 1
Adam Smith 1630 1 - 0
James Norton 1466 0 - 1
James Norton 1431 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1478 = (6313 + 400 * (1 - 2)) / 4)

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