Event: Riviera P.M. Open 2023

Opponent Rating Result
H William Ingham 1924 0 - 1
Alan W Brusey 1966 0 - 1
Trefor F Thynne 1893 ½ - ½
Gabriel Jones 1600 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1746 = (7383 + 400 * (1 - 2)) / 4)

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