Event: 23 / 24 Club Championship

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Opponent	Rating	Result
Mark McKay	1752	0 - 1
Jonathan Rooney	1577	1 - 0
Steven Eggleston	1654	0 - 1

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

1528 = (4983 + 400 * (1 - 2)) / 3)