Event: 23 / 24 Club Championship

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Opponent	Rating	Result
Alykhan Bandali	1430	0 - 1
Albert Griffiths	1466	0 - 1
Aaron Cheung	1335	1 - 0
Lee Webb	1529	0 - 1
Andrew Brown	1357	0 - 1
Martin Thompson	1379	1 - 0
Steve Armstrong	1419	1 - 0

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

1359 = (9915 + 400 * (3 - 4)) / 7)