Event: Club Championship 2022

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Opponent	Rating	Result
Michael A Redman	1624	0 - 1
James McCarthy	0	1 - 0
David W Fryer	1901	0 - 1
Benjamin Pearce	1226	1 - 0
Daniel Longley	1604	0 - 1
Benedict Weis	1779	0 - 1
Aryan Sonnadamath	1470	0 - 1
Lucy Hopkirk	1261	1 - 0

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

1258 = (10865 + 400 * (3 - 5)) / 8)