Event: Wolverhampton Club Championship 2022

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Opponent	Rating	Result
Steve F Tarr	1802	0 - 1
Ioannis Stefanis	1683	0 - 0
Tony Preece	1850	0 - 1
Steven Walker	1500	0 - 0

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

1426 = (3652 + 400 * (0 - 2)) / 2)