Event: Riviera U1600 2023

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Opponent Rating Result
Jack Smith 1568 0 - 1
Roger G Waters 0 1 - 0
Barry Lippard 1402 1 - 0
Steven E Cawser 1503 0 - 1
David Smith 1604 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1135 = (6077 + 400 * (2 - 3)) / 5)

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