Event: Riviera P.M. Open 2023

Opponent Rating Result
Jamie Morgan 1911 1 - 0
H William Ingham 1924 1 - 0
Oliver A Jackson 2146 1 - 0
Alan M Brown 2028 ½ - ½
Keith C Arkell 2391 0 - 1
performance = (sum(opponents ratings) + 400(wins-losses)) / games

2240 = (10400 + 400 * (3 - 1)) / 5)

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