Event: West of England Counties Online Championship

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Opponent	Rating	Result
Dominic Mackle	2139	0 - 1
Duncan Dicks	2160	1 - 0
Peter E Chaplin	2038	0 - 1

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

1979 = (6337 + 400 * (1 - 2)) / 3)