Event: Summer Tournament 2023

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Opponent Rating Result
Alan Weaver 1234 1 - 0
Robert Sims 1518 ½ - ½
John Kooner 1384 1 - 0
Eric M Jones 1725 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1565 = (5861 + 400 * (2 - 1)) / 4)

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