Event: Club Championship

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Opponent Rating Result
Gavin Johnstone 1485 0 - 1
Nick P Stead 2117 0 - 1
Marwan Khateb 1332 1 - 0
Paul A Chaplin 1468 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1401 = (6402 + 400 * (1 - 3)) / 4)

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