Event: City Chess Swiss 2022-23

Opponent Rating Result
Daniel Lindner 2190 ½ - ½
John S Walton 1810 1 - 0
Widianto Siek 2027 0 - 1
David C Bareham 0 ½ - ½
Brendan Keenan 1960 1 - 0
Antony C Hall 1849 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1773 = (9836 + 400 * (3 - 1)) / 6)

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