Event: 23 / 24 Club Championship

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Opponent	Rating	Result
Andrew Robinson	1723	0 - 1
Martin Thompson	1459	1 - 0
Michael Owen	1603	0 - 1
Thomas Beckwith	1610	0 - 1
Brandon Russell	1563	0 - 1
Aaron Cheung	1340	0 - 1
Jonathan Rooney	1519	0 - 1

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

1260 = (10817 + 400 * (1 - 6)) / 7)