Event: Hebden Bridge Chess Club Championship 2023

Opponent Rating Result
Ryan Wilkinson 0 1 - 0
David C Wedge 1858 0 - 1
Paul Gledhill 1515 ½ - ½
Matthew Nolan 1371 1 - 0
Jeremy Butts 1713 ½ - ½
performance = (sum(opponents ratings) + 400(wins-losses)) / games

1371 = (6457 + 400 * (2 - 1)) / 5)

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