Event: Challengers 2023

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Opponent Rating Result
Michael Hussey 0 1 - 0
Rhys Hammond 0 1 - 0
Richard J Ballantyne 0 1 - 0
Leslie Barron 0 1 - 0
Ronit Randhawa 0 0 - 1
Leslie Barron 0 1 - 0
Simon Howard 0 1 - 0
Ian Henry 0 ½ - ½
Lennon Jarman 0 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

222 = (0 + 400 * (6 - 1)) / 9)

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