Event: Club Championship

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Opponent Rating Result
Chris M Smith 1727 ½ - ½
Ray Garside 1552 ½ - ½
Steve Burnell 1784 ½ - ½
J Dave H Hair 1721 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1596 = (6784 + 400 * (0 - 1)) / 4)

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