Event: Riviera P.M. Open 2023

Opponent Rating Result
Mark V Abbott 1893 ½ - ½
Spencer Lawrence 1790 1 - 0
Alan M Brown 2019 0 - 1
Tim R Spanton 1864 ½ - ½
David P Littlejohns 1985 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1910 = (9551 + 400 * (1 - 1)) / 5)

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