Event: The Chess Centre - Horsforth (Class 1) Junior League

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Opponent	Rating	Result
Dhilan Kirby	805	1 - 0
Fergus McNicol	658	1 - 0
Aryaveer Bhatnagar	774	1 - 0
Dhilan Kirby	863	1 - 0
Zachary Hardman	551	1 - 0
Dhilan Kirby	825	1 - 0
Sasha Povar	1105	0 - 1

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

1083 = (5581 + 400 * (6 - 1)) / 7)