Event: Individual Challenge 2022-3

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Opponent Rating Result
Danny L Williams 1045 1 - 0
Alan M Willett 890 1 - 0
Charlie G Swinson 1160 0 - 1
S Ali Arshad 1206 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1175 = (4301 + 400 * (2 - 1)) / 4)

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