Event: Bath Club Championship 2024/2025

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Opponent	Rating	Result
A Clive Walley	1916	0 - 1
Avishka Gunatilake	1358	1 - 0

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1637 = (3274 + 400 * (1 - 1)) / 2)