Event: West of England Counties Online Championship

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Opponent	Rating	Result
Aron Saunders	1876	1 - 0
Ian M George	1904	½ - ½
Stephen J Homer	1972	0 - 1

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

1917 = (5752 + 400 * (1 - 1)) / 3)