Event: West of England Counties Online Championship

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Opponent	Rating	Result
Steven Martin	1200	0 - 1
Haroon Symonds	1581	0 - 1
Richard AL Smith	1733	0 - 1

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

1105 = (4514 + 400 * (0 - 3)) / 3)