Event: Calderdale 30 2024-25

Opponent Rating Result
Michael Westmoreland 0 0 - 1
Deborah Colbran Espada 1353 0 - 1
Rosa Morrello 1416 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

523 = (2769 + 400 * (0 - 3)) / 3)

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