Event: West London Qualifier

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Opponent	Rating	Result
Sen Patel	1612	0 - 1
Ahmed Al-Bahadili	0	1 - 0
Winston Qiu	1240	1 - 0

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

1084 = (2852 + 400 * (2 - 1)) / 3)