Event: Challengers 2023

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Opponent	Rating	Result
Michael Hussey	0	0 - 1
Simon Howard	0	1 - 0
Jack Wills	0	½ - ½
Jacquie Barber-Lafon	0	½ - ½
Iain Freestone	0	1 - 0
Brooklyn Stephens	0	1 - 0
Leslie Barron	0	1 - 0
Niranjana Narayanan	0	0 - 1

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

100 = (0 + 400 * (4 - 2)) / 8)