Event: Club Championship

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Opponent	Rating	Result
Andrew Hardy	1517	½ - ½
George J Ellames	1883	0 - 1
Ralph Firth	1616	1 - 0
Eddy F Fitch	1290
Charles Greer	1521
Andrew Hardy	1521
George J Ellames	1904
Ralph Firth	1616
Eddy F Fitch	1299
Charles Greer	1503

performance = (sum(opponents ratings) + 400(wins-losses)) / games

1672 = (5016 + 400 * (1 - 1)) / 3)