Event: Club Championship

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Opponent	Rating	Result
Jo Schultz	2132	1 - 0
John B Atherton	1918	1 - 0
Kevin Smyth	1887	0 - 1

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

2112 = (5937 + 400 * (2 - 1)) / 3)