Event: Mini League

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Opponent Rating Result
Keith J Riach 1670 1 - 0
Andrii Huk 1450 0 - 1
David Summerland 1502 1 - 0
Paul May 1865 0 - 1
Paul Gelder 1584 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1614 = (8071 + 400 * (2 - 2)) / 5)

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