Event: 3rd Western Counties Online Championships

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Opponent	Rating	Result
Haroon Symonds	1564	0 - 1
Hanni Laurie	1000	1 - 0
Jonathan G Young	1479	1 - 0

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

1481 = (4043 + 400 * (2 - 1)) / 3)