Event: Calderdale League 2024-25

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Opponent Rating Result
Steve Harrington 1658 ½ - ½
Anna Barmby 1643 0 - 1
Hamidreza Faham 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

834 = (3301 + 400 * (0 - 2)) / 3)

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