Event: Club Championship

Opponent Rating Result
Ralph Firth 1647
Andrew Hardy 1543 0 - 1
Charles Greer 1469
Paul Castledine 1512
George J Ellames 1890
Ralph Firth 1604
Andrew Hardy 1520
Charles Greer 1469
Paul Castledine 1522
George J Ellames 1874
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1143 = (1543 + 400 * (0 - 1)) / 1)

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