Event: Wolverhampton Club Championship 2022

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Opponent Rating Result
Christopher D Lewis 1899 0 - 1
Tony Preece 1850 ½ - ½
Ioannis Stefanis 1683 0 - 1
Steven Walker 1500 0 - 1
John Lee 1617 0 - 1
Steven Walker 1500 1 - 0
Andrew Adams 1616 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1552 = (11665 + 400 * (2 - 4)) / 7)

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