Event: Calderdale 30 2024-25

Opponent Rating Result
Deborah Colbran Espada 1353 1 - 0
Karim Khan 134 0 - 1
Mark Berry 0 1 - 0
Colin Frank 1658 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

986 = (3145 + 400 * (3 - 1)) / 4)

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