Event: Riviera U1600 2023

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Opponent Rating Result
John A Ariss 1495 1 - 0
Jack Smith 1568 1 - 0
David Smith 1592 ½ - ½
Lloyd Russell 1308 ½ - ½
Steven E Cawser 1503 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1733 = (7466 + 400 * (3 - 0)) / 5)

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