Event: Mini League

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Opponent Rating Result
Liam Kennedy 1390 ½ - ½
Peter Galloway 1459 0 - 1
Tom Devlin 1587 0 - 1
Kateryna Huk 1884 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1280 = (6320 + 400 * (0 - 3)) / 4)

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