Event: City Chess Swiss 2022-23

Opponent Rating Result
Kevin P Millward 2070 ½ - ½
Antony C Hall 1849 0 - 1
Nick Thynne 1510 1 - 0
Johan Rydahl 1909 ½ - ½
Widianto Siek 2027 0 - 1
Steve Madden 1805 1 - 0
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1862 = (11170 + 400 * (2 - 2)) / 6)

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