Event: Riviera P.M. Open 2023

Opponent Rating Result
Alan M Brown 2028 ½ - ½
David L Roberts 2007 0 - 1
Gabriel Jones 1613 1 - 0
David P Littlejohns 1985 ½ - ½
Stephen P Dilleigh 2021 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1931 = (9654 + 400 * (1 - 1)) / 5)

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