Event: Club Championship

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Opponent	Rating	Result
George J Ellames	1917	0 - 1
Ralph Firth	1633
Eddy F Fitch	1290
Andrew Hardy	1488
Paul Castledine	1502
George J Ellames	1874	0 - 1
Ralph Firth	1647
Eddy F Fitch	1290
Andrew Hardy	1521
Paul Castledine	1506

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

1496 = (3791 + 400 * (0 - 2)) / 2)