Event: City Chess Swiss 2022-23

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Opponent Rating Result
Alfie Heath 0 0 - 1
Michael R Wiltshire 1694 ½ - ½
James Sanders 0 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

298 = (1694 + 400 * (0 - 2)) / 3)

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