Event: Club Championship

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Opponent Rating Result
Nigel Terry 1169 1 - 0
Ray Bettam 1556 0 - 1
Gary Haycock 1298 1 - 0
Paul Barrett 1465 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1572 = (5488 + 400 * (3 - 1)) / 4)

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