Event: Division 1

Opponent Rating Result
Stuart G Bainbridge 2034 1 - 0
Mike J Surtees 2116 0 - 1
Andrew I Wilson 2045 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1932 = (6195 + 400 * (1 - 2)) / 3)

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