Event: Riviera U1700 2023

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Opponent Rating Result
Terence V Greenaway 1545 0 - 1
Paul Foster 1479 0 - 1
Alan Collins 1464 ½ - ½
Norman G Andrews 1583 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1218 = (6071 + 400 * (0 - 3)) / 4)

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