Event: Club Championship

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Opponent Rating Result
Paul A Evans 2070 0 - 1
Mariusz Karmansky 0 1 - 0
Ben Morris 0
Lee Williams 0
Patrick N Coleman 1511 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1060 = (3581 + 400 * (1 - 2)) / 3)

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