Event: Summer Tournament 2023

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Opponent Rating Result
Robert Sims 1511 0 - 1
Alan Weaver 1237 0 - 1
Steve Saunders 1046 1 - 0
John Kooner 1386 0 - 1
Mike Davis 1155 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1187 = (6335 + 400 * (2 - 3)) / 5)

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