Event: Riviera P.M. Open 2023

Opponent Rating Result
Oliver A Jackson 2146 0 - 1
Gillian A Moore 1710 1 - 0
David P Littlejohns 1996 ½ - ½
Stephen P Dilleigh 2021 ½ - ½
Tim R Spanton 1864 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1947 = (9737 + 400 * (1 - 1)) / 5)

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