Event: Club Championship

Opponent Rating Result
Mick D Riding 1936 ½ - ½
Laura Steven 1563 ½ - ½
Ray Devenney 1768 ½ - ½
Steven Wilde 1448 0 - 1
Joe Chan 1579 1 - 0
Paul T Costello 1513 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1568 = (9807 + 400 * (1 - 2)) / 6)

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