Event: Challengers 2023

Opponent Rating Result
Jacquie Barber-Lafon 0 ½ - ½
Simon Howard 0 1 - 0
Michael Hussey 0 1 - 0
Leslie Barron 0 1 - 0
Richard Brenton 0 0 - 1
Jack Wills 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

67 = (0 + 400 * (3 - 2)) / 6)

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