Event: Riviera U1700 2023

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Opponent Rating Result
Lloyd Russell 1283 0 - 1
Norman G Andrews 1583 1 - 0
Terence V Greenaway 1545 ½ - ½
Grant Daly 1566 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1494 = (5977 + 400 * (1 - 1)) / 4)

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